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Editors' Review · October 21, 2025

Reliable protection in a modern package

Kaspersky Internet Security remains one of the most trusted antivirus and privacy protection suites available for users seeking comprehensive digital safety. From online transactions to file downloads, it delivers real-time defense against malware, phishing, and emerging cyber threats across multiple devices, making it a dependable choice for individuals and businesses alike.

The program enhances its security & VPN integration, improving protection and browsing privacy. Kaspersky Internet Security ensures users can safely perform online activities without compromising performance or usability. With a strong focus on stability, identity safety, and system optimization, it remains a well-balanced package suited for everyday computer use.

Kaspersky Internet Security stands out for its rapid threat detection and precise malware blocking, providing near-instant alerts and comprehensive security reports to keep users fully informed. The program operates with minimal system impact, ensuring smooth performance even during active scans. Its intuitive control panel simplifies scan scheduling, updates, and quarantine management, making it both accessible for beginners and powerful enough to satisfy advanced users seeking dependable, real-time digital protection.

Comprehensive security and everyday reliability

The suite delivers secure browsing through real-time anti-phishing protection, blocking fraudulent websites before harm occurs. It also supports encrypted data transfers for safer communication and transactions. With an integrated VPN for anonymous browsing and Safe Money mode protecting online payments, it ensures worry-free digital experiences. Unlike many competitors, it offers consistent performance and protection without overwhelming users with excessive notifications or intrusive advertisements that disrupt workflow.

While its security features are undeniably robust, some users may consider its subscription pricing slightly higher than lighter, minimalist alternatives. The occasional upgrade reminders disrupt workflow, though they aim to ensure users stay protected with the latest tools. Despite these minor drawbacks, its frequent updates, multi-device compatibility, and proven reliability make it a solid, long-term choice for those prioritizing comprehensive digital protection and stability.

Consistent, secure, and worth the trust

Kaspersky Internet Security remains an all-around performer for users who value safety, usability, and cross-platform reliability. Its balanced mix of malware defense, browsing protection, and system optimization ensures seamless operation without slowing down performance. Whether for personal or professional use, the program consistently delivers dependable protection, making it an excellent choice for maintaining everyday digital security and peace of mind across multiple connected devices.

  • Pros

    • Fast threat detection
    • Secure browsing tools
    • Light on resources
    • Reliable system updates
  • Cons

    • Costly subscription plan
    • Occasional upgrade prompts
Enlarged image for Kaspersky Internet Securi…
Kaspersky Internet Security 0/3

Technical

Title
Kaspersky Internet Security 21.3.10.391 for Windows
Requirements
  • Windows 8
  • Windows 10
  • Windows 7
  • Windows 8.1
Language
English
Available languages
  • Arabic
  • Czech
  • Danish
  • German
  • Greek
  • English
  • Spanish
  • Finnish
  • French
  • Italian
  • Japanese
  • Korean
  • Dutch
  • Norwegian
  • Polish
  • Portuguese
  • Russian
  • Swedish
  • Turkish
  • Chinese
License
Trial version
Latest update
Author
Kaspersky Lab
SHA-1
3db2c3b6e790fec6c0c7a62f53c126d0ddbe339e
Filename
kis21.3.10.391en_26095.exe

Program available in other languages



Changelog

We don’t have any change log information yet for version 21.3.10.391 of Kaspersky Internet Security. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

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