Firefox and Security Add-ons for Windows - A secure web browser. Downloading and extracting the portable version of Firefox

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Friends, today we will continue to build the security of our computer. Browser security is a very important issue, the solution of which should not be put aside.

Everyone knows what a web browser is. Did you know that by setting it up in the appropriate way, your browser will allow you to take on some of the tasks of ensuring your security on the World Wide Web.

It is worth noting that some necessary functions are already preinstalled in each browser. But we will try to strengthen the security of browsers with additional useful modules.

Below, using the example of 2 popular browsers, we will consider the presence of enabled settings responsible for ensuring security on the Internet.

Opera

Launch the program and go to settings. For this, on the left upper corner click on the button “ Menu”, in the list that opens, select the item “ Settings”.

In the window that appears, go to the tab “ Safety” and check that the “ Enable Malicious Site Protection” (if disabled).

Mozilla Firefox

Here everything is basically the same. Click on the icon in the upper right corner three horizontal stripes, we find the item “ Settings”.

I also recommend expanding basic functions browser security with the following additions:

“KB SSL Enforcer” (the extension provides automatic traffic encryption);
“WOT” (Indicator of site trust. We talked about this in previous articles).

For other web browsers, everything is done in a similar way.

In the article, you can choose the most popular and secure browser for yourself.

Additional Internet protection with Web Anti-Virus

Most provide web security configured automatically or individual settings. Thus, the antivirus program works in conjunction with browser protection and scans the sites you open for viruses. Files downloaded from the Internet are also checked for existing malicious codes. You can check or change by opening the antivirus settings.

At the end of the article, I decided to give you a gift and tell you, perhaps, about the most interesting. About add-ons that will greatly simplify your life and allow you to raise the bar of network security even higher.

Programs and plugins for secure web browsing

NoScript- a plugin that provides additional protection For Firefox web browser. The plugin allows the execution of JavaScript, Flash, Java only for sites installed by you.
AVG LinkScanner checks the web pages visited by the user in real time for malicious code and other Internet threats.
McAfee SiteAdvisor Live is a Web antivirus that provides protection against malicious sites and phishing, provides Safe search on the Internet, checking links in e-mail and online chats.
G Data Cloud Security– free add-on for Mozilla Firefox browsers and Internet Explorer, which helps protect you from dangerous websites.
Dr.Web LinkChecker- This free plugin for popular web browsers, designed to check Internet pages and files downloaded from the Internet.
Trend Micro Browser Guard warns of vulnerabilities and protects against malware JavaScript code using technologies of predictive and preventive analysis of web content.

Friends, from the list above, I advise everyone to install the plug-in from Dr.Web Link Checker. What is the convenience? Before downloading a file to your computer, you check it with this antivirus, and then download it to your PC.

The issue of security and anonymity on the Internet remains the most relevant and most discussed. What data do websites collect about us when they visit them, who follows us and how, but most importantly - do I need it! Each website, when you visit it, leaves small text files (cookies) on our computer that store sessions, passwords, information about various settings how much time we spend on the Internet, what sites we go to, what banners we click on, etc.

You can use Firefox's incognito mode, which provides a certain level of anonymity. But an ISP is required by law to log all user activity on the Internet. It is impossible to hide from this. But still, most of the spyware cookies and scripts can be neutralized with add-ons for Firefox.

List of add-ons

Ghostery- Tags, cookies, web bugs and web beacons on websites - all these tools keep track of your online activities. Ghostery "calculates" spies. With the use of Ghostery, this snooping will stop. Ghostery helps not only to block unwanted cookies, but also gives full information about what each specific site is trying to hook you up with..

NoScript — Firefox extension, blocking JavaScript execution, Java applets, Flash and other potentially dangerous components of HTML pages until the user allows their execution on given node or globally. NoScript also allows users to whitelist (English) sites that are allowed to use this opportunity. Plugin management is possible independently of scenarios. Another feature of NoScript is to protect the user from XSS attacks, with the ability to create separate lists of servers for which functionality similar to XSS attack is required. NoScript is one of the ten most popular Firefox extensions

BetterPrivacy- a plugin that allows you to remain unrecognizable. If you're still wondering why you can still be tracked despite your best efforts to remove your traces, then BetterPrivacy is for you. It allows you to clear the traces on your computer that are usually not removed (cookies, etc.) resulting from Google visits, YouTube, Ebay.

Distrust- this plugin provides complete removal all the information that was added to the browser during your work on the Internet. Distrust disables browser cache (both regular and SSL), sets for cookies lifetime until the end of the session, clears the history of visiting pages and downloaded files, notifies you about the presence of files that you downloaded during the session, but did not delete from hard drive, and also deletes all saved logins and passwords.

Stealther- Plugin for safe surfing on the Internet. Stealther prevents the browser from storing information about the sites you visit, cookies, keeping a history of downloaded files, caching sites, saving form information, not saving history about recently closed tabs and send Referrer Header headers. A great plugin if you want your browser to be unable to show information about your activities on the Internet to anyone. Unlike similar extensions, this plugin does not erase information, but rather disables the above features by changing configuration variables, for example

browser.history_expire_days = 0 browser.cache.disk.enable =
FALSE network.cookie.cookieBehavior = 2
browser.sessionstore.max_tabs_undo = 0 and others.

panic- The plugin allows you to instantly hide everything open tabs- you just need to click on the icon. All tabs can be restored later. Clicking the Panic icon again will restore all hidden tabs.

spamavert.com- Generates temporary e-mail address for registration forms, for example on forums.

Adblock Plus- this add-on will allow you to regain control over the Internet and see it the way you want. There are over forty filter lists for dozens of languages for the extension, which will automatically configure it for a variety of purposes, from blocking ads to blocking all known dangerous domains. Adblock Plus will also allow you to add own filters through various useful tools, including context menu to block pictures, a shortcut to block Flash movies and Java applets, and a list of items to remove invisible elements (eg scripts or styles). Starting with Adblock Plus 2.0, it became possible to allow some unobtrusive ads in the filter settings. In this way, you can support pages that do not impose advertising on visitors. We hope that more pages will use non-intrusive ads as a result

WOT - Safe Surfing alerts you to suspicious sites (which may contain exploits, spyware, adware and viruses; untrustworthy online stores; phishing, spam and other online scams) before you visit them. Uses a list of 21 million websites. Can set the child protection level by blocking inappropriate content.

FoxyProxy Standard- this is the ability of the user to hide his real IP address while traveling on the global Internet. FoxyProxy Standart will help you quickly and easily change IP addresses and go unnoticed. In practice, FoxyProxy standart is a program that hides IP, but only when visiting sites, and not in general for all applications and programs.

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1. Introduction to Firefox

We assume that the reader is already familiar with the web browser and will not describe the basic features of Firefox. Let's pay attention to the settings and additions related to security.

1.0. What you need to know about Firefox before you get started

Firefox supports a lot additions. They are easy to use and provide security and privacy while surfing the web. Depending on your situation, you can choose which add-on to install and how to set it up. If you work on a computer that is controlled by another person (for example, in an Internet cafe or in an office workplace), you may need to set up the program more than once.

In addition to the basic settings of Firefox, this guide talks about installing and basic setting following additions:

Image 1. Mozilla Firefox website

Step 2 Click button [Download Free] to download Firefox.

Step 3 After Firefox downloads click right click mice on the downloaded file and select on the menu [Open] as in the illustration below:

Image 2: Opening the downloaded Firefox file

Step 4 Click button [Install] in the Firefox window that opens to start installing the program.

Image 3. Beginning Firefox installations

Wait for Firefox to finish installing.

Image 4 Installing Firefox

Now you can use the Firefox browser.

Picture 5 Mozilla Browser Firefox

Note. Good idea- use the most fresh versions computer programs in the field of security, including web browsers. Therefore, it is important to update the programs you use regularly.

2.2. Search engine settings

You can customize Firefox to work with the search engine of your choice. Follow the steps:

Step 1. Select paragraph [Settings] from the menu at the bottom of your browser.

Image 1. Firefox settings menu

Step 2 Select paragraph [Search]

Image 2. Search settings in Firefox

You can select a default search engine and determine which search engines will be available in the window Firefox search. We recommend DuckDuckGo as the default search. This system does not track users and does not share user data with third parties.

Some other "security focused" search engines to add to the list search engines in settings Firefox:

2.3. Privacy settings

You can change Firefox's privacy settings as follows:

Step 1. Select paragraph [Settings]

Step 2 Select paragraph [Privacy] in the left column of the settings window.

Image 1. Firefox privacy settings

Now you can change Firefox settings privacy, third-party surveillance and web browsing history. Follow these steps:

Step 3 Many websites collect information about you. They allow third parties to track which websites you visit. System Do Not Track allows you to avoid being tracked by websites you do not visit, including data analytics services, advertising networks and social platforms.

To turn on Do Not Track V Firefox and keep surveillance of your online activity to a minimum, select two options in the section Tracking. It is important to understand, however, that companies have the ability to override your choices and still track you. Here list companies that have declared their respect for those who ask them do not track.

Step 4 In chapter Story you can manage settings browsing history Firefox. By default, the browser is configured remember the history of visited pages and downloads. It means that Firefox will remember the history of pages, downloaded files, completed forms and search queries. The browser will also accept cookies from the websites you visit. Cookies allow websites to write information to your device, and Firefox will share information with these sites and their advertising partners.

To prevent this from happening, in the very first option of the section Story- a line starting with Firefox:- You can change option will remember history on won't remember history. You can choose third option will use your history storage settings to customize browser behavior in more detail in the section Story.

Step 5 In chapter Address bar sources can be given Firefox will suggest website addresses when you type characters in address bar. By default, these are bookmarks, open tabs and sites whose addresses are stored in the history of visits. You can uncheck any of the items as you see fit.

2.4. Security Settings

To change settings firefox security, follow the steps:

Step 1. Select paragraph [Settings] in the browser's main menu.

Step 2 Select paragraph [Protection] in the left column of the settings window.

Image 1. Firefox security settings

You can change Firefox's security settings.

Step 3 Uncheck out of the field [Remember logins for websites].

All options under the heading Are common must be chosen. If this is not the case, we advise you to enable them. Then Firefox will:

warn when websites try to install add-ons,
block sites suspected of attacks,
block sites suspected of being fraudulent.

Options in the section Logins refer to the built-in manager Firefox passwords. If you check the box Use master password, Firefox will encrypt the website passwords it saves and prompt you for master password. In general, we recommend using an offline password manager such as KeePassX to store passwords. However, if you choose to use Firefox to store website passwords, you should check the master password option.

2.5. Settings for advanced users

You can change the settings for Firefox advanced users - follow the steps:

Step 1. Select paragraph [Settings] from the menu at the bottom of the Firefox browser.

Step 2 Select paragraph [Additional] in the left column of the settings window.

In the window Additional there are five tabs:

Are common. Various options that affect the usability of the browser.
Data selection. Here you can determine what data about the health, security and performance of the browser can be sent to its developers.
Updates. Automatic settings Firefox updates, including updates to mail systems of your choice.
Net. Proxy settings, cached web pages and offline user data.
Certificates. Here you can determine how Firefox will deal with encryption certificates (both when a website asks for your browser's personal certificate, and when Firefox tries to determine if the certificate is valid) https provided by the website).

Image 1. Tab General settings for advanced users

Tab Are common contains useful option, which gives Firefox feature prevent websites from automatically redirecting you to other pages or from reloading themselves without your permission.

Step 3 Select option [Warn when websites try to redirect or reload a page].

Additional step 4. In advanced settings click tab [Net].

Image 2. Advanced settings, Network tab

Additional step 5. Here you can change the proxy settings for your browser (click the button [Tune...].

2.6 Using privacy settings while surfing the web

In addition to the settings that were described earlier, Firefox offers two important options: they allow you to somewhat control the data that Firefox stores on your computer and the data about the sites you visit. These are the features Delete recent history And Private Browsing Mode.

Delete recent history

To delete data about recent events in the browser, follow the steps:

Step 1. IN Firefox menu select [Magazine] as shown in the picture below:

Image 1. The Journal item in the Firefox menu

Step 2 Drop down menu click [Delete history...].

Image 2: Delete recent Firefox history

Step 3 If you want to completely clear your browser history, select in this window All options. Through the drop-down menu, you can also set the period of time for which you want to delete the browser history.

Image 3. Deleting recent Firefox history

Step 4 Select the types of data that Firefox should delete after each browser session.

Image 4. Deleting all Firefox history

Step 5 Select [Delete Now] to delete the selected data.

Instead of the described actions, you can use private mode. In that Firefox mode will not record history at all.

Private Browsing Mode

To prevent Firefox from storing data about your current browser session, follow these steps:

Step 1. Firefox main menu select paragraph [Private Window] as shown in the illustration below:

Image 5. Opening a new private window in Firefox

Step 2 Open websites in this window.

Image 6. Using a private window in Firefox

When you're working in a private window, Firefox doesn't record web surfing data. This applies to any tabs that are already open or will be opened in this window. There are exceptions for the private window - downloadable files and bookmarks. The window also doesn't let you forget that Firefox, by itself, can't prevent those who might track your Internet connections (including your ISP) from knowing what websites you visit. To solve this problem, you will need Tor Browser.

3. Firefox add-ons

Firefox has add-ons that add new options or extend existing functionality. Add-ons include plugins, such as Adobe Flash, And extensions, such as NoScript . In this section, we'll show you how to disable potentially malicious plugins, and then we'll demonstrate a few useful additions to enhance privacy protection, including:

Other Firefox privacy add-ons can be found at Tactical Tech.

3.1. Update or disable potentially dangerous plugins

Add-ons update

You can update your browser add-ons by following these steps:

Step 1. Run Firefox.

Image 1. Firefox

Step 2 Click button in the upper right corner of your browser.

Step 3 Click [Extras]

Step 4 Click menu icon as below picture:

Image 3. Firefox add-ons menu

Step 5 Select paragraph Automatically update add-ons. Your browser will automatically download and update the add-ons. If you do not want check this option, you will need to regularly (manually) choose paragraph Check for updates.

Plugin Update

You can update browser plugins. Follow the steps:

Step 1. Run Firefox.

Image 1. Firefox

Step 2 Click button in the upper right corner of the browser.

Image 2. Firefox settings menu

Step 3 Click [Extras].

Step 4 Click paragraph Plugins on the left side of the window.

Image 5. Plugin check page

Step 6 Scroll down to see all Firefox plugins.

Image 6. Firefox plugins

One of three options is possible:

All your plugins are up to date. Proceed as described in this guide.
Some plugins may be accompanied by a link [More]. If you click on this link, Firefox will display search results to help you update the relevant plugins.
If there is a button next to any of your plugins [Update Now], click and follow the instructions. In the example (see above) Adobe Flash Player shown as an example of a plugin that needs to be updated.

Disabling Potentially Malicious Plugins

In plugins Adobe Shockwave Flash And Oracle java browser plugin vulnerabilities are often discovered that can be exploited remote user to gain access to your computer or install malicious code. We highly recommend disabling both of these plugins in Firefox.

To disable potentially malicious plugins in Firefox, follow these steps:

Step 1. Run Firefox.

Image 1. Firefox

Step 2 Click button in the upper right corner of the window.

Image 2. Firefox settings window

Step 3 Click [Extras]

Image 4. Firefox plugins window

Step 5 Click arrow next to the menu item [Always enable] And select Never turn on, as in the picture below (although the plugin in our example is not necessarily malicious).

Image 5. Disabling plugins

Note. If you choose Enable on request, Firefox will notify you whenever a website tries to send you data in the format Flash. You can agree by clicking the button [Allow...] in the upper right corner of the browser window, as shown in the image below. Nevertheless, we recommend disabling Flash completely.

Image 6. Firefox warns about Flash stuff

3.2. HTTPS Everywhere

HTTPS Everywhere – addition which helps Firefox securely connect to websites that support encryption.

When you access a site at an address that starts with "http://" (for example, http://www.amazon.com), your connection is not encrypted. The information you send to and receive from the website may be viewed by anyone who has the ability to monitor your network traffic. For example, your (provider) and many surveillance platforms.

When the address starts with "https://" (for example, https://www.amazon.com), your connection is encrypted. For strangers it will be extremely difficult to intercept the data you send and receive. Unfortunately, even sites that support https, often make the mistake of redirecting visitors to desired addresses. This problem is solved HTTPS Everywhere.

At HTTPS Everywhere there is a list of websites that support https, and automatically requests an encrypted connection for these websites, even if you click on a link that starts with http(or entered such an address in the browser line).

to install HTTPS Everywhere, follow the steps:

Step 1. Select paragraph [Extras] in the browser menu as shown in the illustration below.

Step 2 Dial Name

Image 2. HTTPS Everywhere search

Step 3 Click [Install] Near HTTPS Everywhere.

Image 3. HTTPS Everywhere add-on

Wait for the HTTPS Everywhere add-on to install.

Figure 4 Installing HTTPS Everywhere

Step 4 Click [Restart now] to restart the Firefox browser and complete the installation of HTTPS Everywhere.

Image 5. HTTPS Everywhere add-on installed

When you restart your browser, you will be able to determine whether to enable EFF's SSL Observatory, a tool that will warn you about insecure connections or attacks on your browser.

Image 6. SSL Observatory

Step 5 Click [Yes] to use SSL Observatory for more privacy protection.

Step 6 Make sure the HTTPS Everywhere add-on is installed correctly. To do this, select the items in the Firefox menu [Add-ons > Extensions]. The list of extensions should include HTTPS Everywhere among others.

Image 7. HTTPS Everywhere add-on installed

Installation of HTTPS Everywhere is complete. When you try to access one of the websites listed in this add-on, if that website supports https, your connection will be automatically encrypted.

Note. When HTTPS Everywhere is running, you still you will see "https://" in your browser's address bar. If it doesn't, your connection is not encrypted.

3.3. privacy badger

3.5. NoScript

When you visit a website, the browser automatically downloads the contents of the site's pages. In addition to text and images, this often includes scripts, small programs that run inside the browser. NoScript – addition For Firefox, which prevents the browser from running such programs without your permission.

Basically, these scripts are harmless. Their task is to increase the interactivity of web pages. However, some are dangerous, while others are able to collect information about your online activities; these are the so-called third party trackers .

Unfortunately, NoScript is unable to automatically detect which scripts are safe and which are not. If you first select the total lock option ( Block Scripts Globally), many sites will not display correctly. On the other hand, by adding different sites to White list, you will gradually bring the situation back to normal and at the same time be protected from potentially malicious content online.

To install NoScript, follow the steps:

Step 1. Select [Extras] in the browser menu, as shown in the illustration below:

Image 1. Firefox add-ons

Step 2 Dial Name V search line in the Firefox add-ons window.

Image 2. NoScript search

Step 3 Click button [Install] next to NoScript.

Image 3 Installing NoScript

Step 4 Click [Restart now] to restart the Firefox browser and complete installing NoScript.

Step 5 Make sure the NoScript add-on is installed correctly. To do this, in the Firefox menu, select the items [Add-ons > Extensions]. NoScript should also be on the list of add-ons.

Image 5. NoScript add-on installed

Now your browser supports NoScript and can block malicious code if it appears on your computer.

At first, NoScript may not seem very convenient (the sites you are used to visiting will turn out to be mangled), but you will be quickly rewarded with automatic blocking of objects: annoying ads, pop-ups, and malicious code embedded in website pages.

NoScript runs quietly in background. When the plugin detects the presence JavaScript elements, Adobe Flash, or other scripts, these elements are blocked, and an information bar appears at the bottom of Firefox. NoScript tells you what object it is talking about (for example, an ad or a pop-up window) and what script is blocked in the system. However, since NoScript does not distinguish between malicious and harmless code, some important parts of the site (such as the toolbar) may not be visible.

Image 6. NoScript dropdown menu

Some websites display elements (including scripts) from other websites. For example, sites like www.twitter.com have scripts from two sources (twitter.com and twimg.com). To unblock scripts in such situations, try choose option Temporarily allow[site-name] (in this example– Temporarily allow twitter.com). If it didn’t work right away, then through trial and error you can bring the main sites with the information you need to normal. For example, to make Twitter work, you need choose options Temporarily allow twitter.com And Temporarily allow twimg.com. If you frequently visit a particular site and trust its content, select option Allow [website-name]. In this case, NoScript will consider the site to be trusted without a time limit.

Step 6 You can continue to configure NoScript permissions, pressing button [Settings] next to NoScript in the list of extensions (or choosing paragraph [Settings] in the NoScript dropdown menu in your browser).

Image 7. NoScript settings

Note. A vulnerability was recently discovered in NoScript. We continue to recommend NoScript because the vulnerability is not harmful as long as you Also did not install a separate (initially malicious) add-on. We strongly advise you to carefully study the add-ons before installing and remove any add-ons that you do not need or have doubts about.

4. Portable Firefox

4.1. Differences between installable and portable versions of Firefox

The portable version of the program is not installed on the computer. Her very presence may leave no trace. But in general portable programs as safe as your external devices, usb flash drives and gadgets. The risk of infection with viruses, spyware and others malicious code is saved.

functional differences between portable version of Mozilla Firefox and there is no installed program.

4.2. Downloading and extracting the portable version of Firefox

To download and extract portable Firefox, follow these steps:

Step 1. Navigate to the website http://portableapps.com/apps/internet/firefox_portable .

Step 2 Under big button(don't press it) find and click link Other Languages. A page with language functions will open.

Step 3 Scroll page down to line Russian.

Step 4 Click big button in this line.

Wait for the process to complete.

Step 6 Right click on the downloaded Firefox file and select on the menu [Open].

Image 3: Opening the downloaded Firefox file

Step 7 Click button [Further] in the installation window.

Image 4. Portable installation window versions of Firefox

Step 8 Specify the location where you want to record the portable version of Firefox. In our example, this is the folder Downloads, but you can select a folder directly on removable media using button [Review...].

Image 5. Selecting a location for portable Firefox

Step 9 Click button [Further] to install Firefox to the specified location.

Wait while the portable version of Firefox installs.

Image 6. Installing portable version of Firefox

Step 10 Click button [Ready] to complete the installation.

Image 7. Completing the installation of Firefox Portable

There is now a portable version of the Firefox browser in the location you specified (this could be removable drive e.g. USB flash drive).

Step 11 To run the portable version of Firefox, come in to the folder where Firefox is installed, and double click by file .

Image 8. Firefox portable folder

FAQ

Question. Why do you need so many different add-ons to protect against malicious websites? Say, if NoScript protects against dangerous scripts, why do you need other add-ons that work in much the same way?

Answer. It is often good advice to use several tools to solve a particular security problem (except for antiviruses, as these programs tend to conflict with each other). Firefox add-ons use highly different technologies to protect your browser from threats. For example, NoScript blocks all scripts from unfamiliar sites, but a user can exclude a frequently visited site from being suspicious - and if he makes a mistake, be vulnerable to a number of threats. The user can also temporarily allow an unfamiliar site to download scripts if they are necessary for correct display pages.

“Mom, mom, I can’t go to my Vkontakte page!” - Shouts the schoolboy Kolya when his page was "taken away", after he left his login and password on the page sent to him yesterday by an unknown "friend" in social network. “Honey, it looks like our bank went bust. We need to urgently run for money!” - Ilya Mikhailovich is indignant when he gets to a fake page of a bank with a declaration of bankruptcy, because processing is enabled by default JavaScript scripts, and there is an XSS vulnerability on the bank's website. “Valya, why did you send me these nasty things yesterday?” - a friend complains, because the day before yesterday, student Valya left her account name and password in a browser with activated auto-completion of forms in a local Internet club, and immediately after her, a smart student Fedya from the faculty sat down at the computer computer technology. “Honey, can you ask your computer people at work tomorrow how to turn off these ads on the Internet? She makes me angry. It is impossible to download music from the site krolika.net normally!” - the young wife is indignant at a large number of pop-up ads.

Probably, each of the readers of our resource has heard about similar situations, or, worse, he himself fell into them. For those who consider themselves to be in the first group and want to avoid similar troubles, or those who guess themselves in our "heroes" and have not yet done necessary conclusions, we have prepared the following material.

The most important step in safe use the Internet is not only installed antivirus paired with a personal firewall, but also your browser settings. Most popular Internet browsers include security settings, but users different reasons often fails to optimize the security of the chosen browser. This largely depends on the absence of such a step during its installation, or it happens because of the ignorance of the users themselves. In this post, we will try to highlight some recommendations for setting up Internet browsers to make your presence on the Web a little safer.

Note. This material is intended for ordinary users, which do not belong to the scope information security, since our colleagues most likely have already done the steps described below.

Google settings

Enable Phishing and Malware Protection: Make sure that Anti-Phishing and Malware is activated, which will notify you if the page you are visiting may have malware or if it is a phishing page.

Disable live search: For optimal security, we recommend disabling live search. Although this feature provides much more high level ease of use, it means that all entered in the address Google string Chrome data is instantly sent to Google.

Disable data sync: Disable account email in browser settings. Synchronization Google account with your browser means that personal data such as passwords, user data, preferences and more is stored on Google servers.

Configure web page content settings: Click the "Content Settings" button in the personal data section of the browser settings menu and do the following:

Cookies: Activate the "Save local data only until the browser is closed" and "Block data and cookies third party sites. These options will ensure that your cookies are deleted when you close your browser and advertisers will not be able to track you using third party cookies.

JavaScript: Select "Disable JavaScript on all sites". It is recommended to disable JavaScript to protect users from its vulnerabilities.

Pop-ups: Do not allow websites to show pop-ups. To do this, you need to block them as in the screenshot below.

Location: Prevent websites from tracking your location. To do this, select the "don't allow sites to track my location" option. If this feature is required, it is recommended to select "Ask me if a site is trying to track my location".

Setting password and form options: Disable autofill and save passwords, as in the picture below. This will prevent the browser from saving your logins, passwords and other confidential information entered into website forms.

The following options are available in the browser settings menu.

Adjust your privacy settings: In the "Privacy" tab, do the following:

Select "Firefox will use your history storage settings" from the history settings drop-down menu.
Uncheck "Remember browsing and download history".
Uncheck "Remember search history and form data".
Uncheck "Accept cookies from third party sites".
Check "Keep cookies until I close Firefox".
Check the "Clear history when Firefox closes" box.

In the "Protection" tab, select following settings. These settings will prevent your browser from saving your passwords and keep you from visiting potentially dangerous websites:

Check the boxes "Warn when websites try to install add-ons", "Block sites suspected of attacks", "Block sites suspected of fraud".
Uncheck "Remember passwords for websites".

Disable JavaScript: In the "Content" tab, deactivate the "Use JavaScript" checkbox. JavaScript is notorious for having security vulnerabilities. Users are advised to activate its use only for trusted sites.
Enable pop-up blocker: Make sure the "Block pop-up windows" box is checked. This feature should be enabled by default to protect users from advertisements and windows.

Disable sync: Use should be avoided Firefox Sync. This will prevent passwords, logins, and other confidential information from being stored by Firefox's servers. You can configure Firefox Sync in the Sync tab of your browser's settings.
Activate automatic update: Activate automatic updates in the "Updates" section of the "Advanced" tab of the browser settings. This guarantees automatic receipt critical updates browser security. Also make sure the "Automatically update search engine plugins" checkbox is checked.

Use secure protocols: Make sure the "Use SSL 3.0" and "Use TLS 1.0" checkboxes, which are located in the "Encryption" section of the "Advanced" tab of the browser's settings, are checked.

The following settings are available in the Internet Options menu:

Adjust security settings: On the Security tab, do the following:

Assign a security zone: IE provides the ability to configure security settings for various "zones", including the Internet, local intranet, trusted sites, dangerous sites.
Set the security level for the Internet zone to Medium or High. This will block some types of cookies, activate ActiveX filtering and some other options to improve security.

Select the "Never allow websites to ask you for your location" checkbox.
Select the "Enable pop-up blocker" checkbox.

Customize Extra options security: On the Advanced tab, do the following:

Make sure the default settings are selected. To do this, you can reset IE settings using the "Reset" button.
Select the "Do not save encrypted pages to disk" checkbox. This will clear the cache of https pages when the browser is closed.
Select the "Delete all files from the folder" checkbox temporary files when the browser is closed. This is to prevent storage personal information(logins, passwords, activity history, etc.) after closing the browser.
Turn off form autofill. This will avoid storing logins and passwords.

Tracking protection: The Tracking Protection feature in IE protects your data from being shared with third parties when you visit the web. You can configure this feature in the Security menu. To do this, you must add to the list of tracking protection the names of sites to which the transfer of personal information is undesirable. The list can be created by yourself or found on the Internet.

Similar security settings can be found in other popular browsers, such as Opera and Safari. Recall that we previously wrote about how to secure your Facebook and Gmail accounts.

Firefox and Security Add-ons for Windows - A secure web browser. Downloading and extracting the portable version of Firefox

Opera

Mozilla Firefox

Additional Internet protection with Web Anti-Virus

Programs and plugins for secure web browsing

List of add-ons

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1. Introduction to Firefox

1.0. What you need to know about Firefox before you get started

2.2. Search engine settings

2.3. Privacy settings

2.4. Security Settings

2.5. Settings for advanced users

2.6 Using privacy settings while surfing the web

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3.1. Update or disable potentially dangerous plugins

3.2. HTTPS Everywhere

3.3. privacy badger

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4. Portable Firefox

4.1. Differences between installable and portable versions of Firefox

4.2. Downloading and extracting the portable version of Firefox

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