Your protection on the Internet with extension from Kaspersky Lab

Kaspersky Protection 2021: A Firefox Add-on for Cybersecurity
"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.
Add-on stats
Manifest V2
By: Kaspersky
Rating: 4.62
(5,211)
Weekly download count: 11,977
Firefox on Android: No
Permissions:
- nativeMessaging
- cookies
- tabs
- webNavigation
- webRequest
- webRequestBlocking
- contextMenus
- <all_urls>
- storage
Size: 347.08K
URLs: Website ,Privacy policy
Full description: See detailed description
Ranking
# 47
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
User reviews
Pros
- Stops websites from tracking activities
- Effective protection
- Long-standing reliable brand
Cons
- Poor performance
- Sends upstream packets to HTTP1.1 servers
- Potentially resource-heavy
Most mentioned
- Performance issues
- Tracking prevention effectiveness
- Brand reliability over time
User reviews
by Ronaldo Marques, 2025-03-12
by archer, 2025-03-12
by Firefox user 18261932, 2025-03-11
Add-on 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.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Kaspersky Protection 2021. Use it at your own risk.
Risk likelihood analysis details
- Low This extension was updated more than 6 months ago. Older versions are more likely to be stable and safe.
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