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Editors’ Review

Download.com staff

A powerful cybersecurity suite with a unique approach, Comodo Internet Security is an all-in-one suite that promises robust protection against a wide array of cyber threats. Its core philosophy revolves around a default deny feature, which means it assumes any new or unknown file is a potential threat.

Comodo Internet Security’s proactive strategy aims to stop zero-day malware and new viruses before they can even touch your system, a significant departure from traditional antivirus software that relies solely on known virus definitions. The program's blend of advanced features and a user-friendly interface makes it an appealing option. It offers a free version. 

Program’s core features for you to explore

Comodo Internet Security’s containment technology or sandbox feature is a standout, creating a virtual environment where untrusted applications can run without posing a risk to your actual PC. This is a powerful tool for preventing new and unknown threats from causing damage. The integration of a cloud-based antivirus and behavior analysis system further enhances its preventative capabilities, as it can detect malicious files.

Another notable feature is secure shopping, which creates a hardened browsing environment for sensitive transactions. This addresses the growing concern of online banking and shopping security by preventing keyloggers, screen captures, and fake SSL certificates. In addition, this feature, combined with the malicious website filtering and parental controls, makes this a strong choice for users who want to strengthen security.

The program's personalized protection alerts and thorough security wizards are designed to simplify the user experience, allowing for easy setup and customization. The game mode is a welcome addition, ensuring that security scans and alerts don't interrupt gameplay. While the one-click virus scanning and uncluttered interface are great for everyday use, the extensive list of features can make the program feel a bit overwhelming for a novice user.

Enlarged image for Comodo Internet Security
Comodo Internet Security 0/1
  • Pros

    • Unique default deny and containment technology
    • Comprehensive suite with firewall and secure shopping
    • Cloud-based scanning for real-time threat detection
    • Game mode for uninterrupted gaming sessions
  • Cons

    • Potential for a steep learning curve for beginners

Bottom Line

The verdict on the program’s internet security

Overall, Comodo Internet Security presents a comprehensive and powerful security suite with a unique, prevention-based approach. The default deny protection and auto sandbox technology are highly effective at stopping new and unknown threats, a crucial capability in today's evolving cyber landscape. While the program offers a wealth of features for a reasonable price, it is important to be aware of the potential for a steep learning curve.

What’s new in version 12.3.4.8162

  • Introduced direct upgrade functionality from existing CIS versions
  • Resolved a potential containment issue
  • Addressed a certificate issue


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Full Specifications

GENERAL
Release
Latest update
Version
12.3.4.8162
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows Vista
  • Windows 8.1
  • Windows 10
  • Windows XP
  • Windows 8
  • Windows 7
POPULARITY
Total Downloads
3,667,454
Downloads Last Week
19

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Last Updated


User Reviews

3.8/5

2090 User Votes


Developer’s Description

Detect and destroy malware with powerful malice intrusion prevention and website filtering.
Comodo Internet Security is the awarding winning and free security solution for Windows that uses a powerful combination of antivirus, firewall, auto-sandbox, host intrusion prevention and website filtering to immediately protect your computer from all known and unknown malware. Our real-time scanner constantly monitors your computer for threats, protecting you from the moment you start Windows. Our cloud-based scanner uses real-time virus blacklists, so you don't have to download updates before you receive protection against newly discovered threats. Did you know traditional antivirus software can only detect around 40% of the viruses in circulation? The other 60% of viruses are allowed to run because they are 'unknown' to antivirus software. Comodo Internet Security protects you against this other 60% by automatically isolating all unknown files in a secure container called the sandbox. Applications in the sandbox run with restricted privileges, write to a virtual file system and registry, and are not allowed to access other processes or your private data. This means any potential new malware is securely locked away instead of being allowed to run amok as it would in other antiviruses. Our Secure Shopping feature provides the next-generation of security for online banking and shopping. Under Secure Shopping, websites will open inside a virtual environment which is isolated from the rest of your system, so nothing you download can infect your computer. No other processes are allowed to interfere with your browser, and your online session also benefits from SSL certificate checking, key-logger protection, website filtering, screen-shot blocking and remote connection prevention. This creates a direct, threat-resistant tunnel between you and your target website which cannot be hacked by malware or online thieves. Whether you are an IT novice or an experienced user, Comodo Internet Security is the ultimate protection against today's dangerous online world.

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