Kaspersky Protection 2021

Your protection on the Internet with extension from Kaspersky Lab

Kaspersky Protection 2021 is a powerful browser extension designed to enhance your online security seamlessly. It allows you to manage your protection features directly within your browser without distraction, adapting its capabilities based on your Kaspersky subscription plan.

Key features include Safe Money, which safeguards your financial data during online transactions, and Private Browsing, which alerts you when websites attempt to collect your data and lets you restrict them effortlessly. The extension also includes Anti-Banner to block intrusive ads and Safe Browsing to warn you about dangerous websites proactively. It integrates smoothly with various Kaspersky security applications, offering comprehensive protection tailored to your needs. Download Kaspersky Protection 2021 to experience a safer, faster, and more private browsing experience today.

Manifest V2
By:
Kaspersky
Daily users:
378,967+ 7.22K
Rating:
4.62
(5,327)
19 new ratings
Version:
2.12.120.1 Last updated: 2025-04-23
Version code:
5927244
Creation date:
2019-04-12
Risk:
Very high risk impact Low risk likelihood
Permissions:
  • nativeMessaging
  • cookies
  • tabs
  • webNavigation
  • webRequest
  • webRequestBlocking
  • contextMenus
  • <all_urls>
  • storage
Size:
321.85K
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Browser Add-ons
Updated:
a day ago

User reviews

Users generally appreciate that Kaspersky Protection 2021 does not interfere with their browsing experience and express satisfaction with its performance. The add-on is recommended by some to new internet users, indicating a positive overall impression. No common issues or complaints were noted in the reviews.
Pros
  • Does not interfere with browser usage
  • Users are satisfied with its performance
  • Recommended to new users
Cons
    Recent reviews
    Idegesítő


    by Royboy Fox, 2025-05-19
    View all user reviews ›

    Extension safety

    Risk impact

    Kaspersky Protection 2021 requires a lot of sensitive permissions. Exercise caution before installing.

    Risk impact analysis details
    • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
    • Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
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    • High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******
    • High ****** ********* ** * ****** ******** ******** ********** * ******* ******* *****
    • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
    • Medium *********** ************* ******* ********** *** ****** ************* ******* *** **** ** ******* **********
    Risk likelihood

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

    Risk likelihood analysis details
    • High This extension was recently updated in the past month. New updates may not be stable or safe.
    • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
    • Low **** ********* *** **** **** ****** ******* ********** **** ****** ** ** ****** *** *****
    • Good **** ********* *** **** **** *******
    Upgrade to see full risk analysis details

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