Kaspersky Protection 2021

Kaspersky Protection 2021

Your protection on the Internet with extension from Kaspersky Lab

Kaspersky Protection 2021 promo image
What is Kaspersky Protection 2021?

"Kaspersky Protection 2021" is a Firefox extension from Kaspersky Lab designed to secure your online activities. It offers features such as Safe Money for secure online transactions, Private Browsing to manage data privacy, Anti-Banner to block intrusive ads, and Safe Browsing that warns you about dangerous websites. It works with various Kaspersky applications for enhanced security.

By: Kaspersky
Version: (Last updated: 2024-01-30)
Creation date: 2019-04-12
Weekly download count: 16,333
Firefox on Android: No
Risk impact: Very high risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • nativeMessaging
  • cookies
  • tabs
  • webNavigation
  • webRequest
  • webRequestBlocking
  • contextMenus
  • <all_urls>
  • storage
Size: 311.80K
Stats date:

Other platforms

Kaspersky Protection 18.0
Kaspersky Protection 18.0 (v5.1.93.1)
4.15 (227) 305,654
Not available on Edge
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The extension helps you manage protection without distracting you from what you're doing. It lets you access the protection management features right in your browser window.

The set of features the extension helps you with depends on your subscription plan.

Safe Money protects your data from interception when you make online payments. In some cases, the extension speeds up and enhances its work.

Private Browsing informs you when websites are collecting your data and lets you restrict them if you want. It's much easier and faster from the extension menu.

Anti-Banner blocks annoying pop-up ads on websites. With the extension turned on, it can detect and block even more banner types.

Safe Browsing prevents you from visiting dangerous websites. Empowered with the extension, it notifies you of its work in a more convenient and timely manner in some cases.

The Kaspersky Protection extension is designed to work together with the following Kaspersky applications: Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky Security Cloud — Free, Kaspersky Security Cloud — Personal, Kaspersky Security Cloud — Family, Kaspersky Small Office Security, Kaspersky Free, Kaspersky Basic, Kaspersky Standard, Kaspersky Plus, and Kaspersky Premium.

Go to https://www.kaspersky.com/downloads and install the application.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Reassuring brand trust over a long period ('10 years of use')
  • Effective in case of hacking attempts ('Je viens d'être piraté heureusement que j'avais Kaspersky pour mes comptes')
  • Issues with the recognition of application installation status ('Самое кривое приложение! Касперский говорит, что надо установить, а оно уже установлено и работает.')
  • Reports of system slowdown and operational problems post suggestion to improve performance, leading to system reinstallation ('Касперский говорит, что надо улучшить быстродействие, после чего этот аддон не работает и тупит система. Итог - переустановка всей системы!')
Most mentioned
  • Reliability and trust in the Kaspersky brand
  • Installation and operational issues
  • System performance impact
View all user reviews
Risk impact

Kaspersky Protection 2021 is very risky to use and it requires a lot of sensitive permissions. Avoid installing this add-on unless you absolutely trust this publisher.

Risk likelihood

Kaspersky Protection 2021 has earned a fairly good reputation and likely can be trusted.

Upgrade to see risk analysis details