Best Free Antivirus Programs For Linux
Ranking free antivirus programs for Linux based on effectiveness, user interface, and additional features like firewall integration.
Top Ranked
Open Broadcaster Software (OBS) Studio is a powerhouse free, open-source software for video recording and live streaming. Its dominance stems from unparalleled flexibility, zero cost, and a massive, community-driven plugin ecosystem. OBS uses a 'scene' and 'source' system, allowing users to build co...
Why this score
OBS Studio scores 8.2/10 due to its unparalleled flexibility, extensive plugin ecosystem, and free nature. However, it has a steep learning curve and limited built-in effects which can be seen as limitations.
Scoring methodology
Fail2Ban is an open source security tool primarily used on Linux systems. It automatically protects servers from brute-force attacks by monitoring log files for malicious patterns like failed login attempts. The system identifies and blocks suspicious IP addresses using firewall rules, safeguarding...
Why this score
Fail2Ban scores 8.7/10 due to its effectiveness in protecting against brute-force attacks and flexibility with various filter options, but it can be complex for beginners and may require some setup.
Scoring methodology
AIDE is an open source security tool designed for Linux systems. It continuously monitors critical files and directories, creating checksums to identify alterations. This allows administrators and forensic investigators to detect unauthorized modifications or potential intrusions. Its command-line i...
Why this score
AIDE scores 7.7/10 due to its robust file integrity checking capabilities, open-source nature, and support for both command-line and GUI interfaces. However, the lack of real-time monitoring and limited user interface for non-technical users slightly lower the score.
Scoring methodology
Lynis is an open-source security auditing tool, not strictly an antivirus, but crucial for system hardening. It performs comprehensive scans of Linux, macOS, and Unix-based systems, identifying potential vulnerabilities and misconfigurations. While it doesn't actively block malware, it helps prevent...
Why this score
Lynis scores 8.5/10 due to its comprehensive security checks and recommendations, but it is limited to Linux systems only and may require some technical knowledge for full utilization.
Scoring methodology
rkhunter is an open source rootkit detector designed specifically for Linux systems. It utilizes a command line interface to scan for malicious files, backdoors, and unusual cron job activity. The tool’s effectiveness makes it valuable for system administrators and security professionals seeking pro...
Why this score
rkhunter scores 7.5/10 due to its comprehensive security features and effectiveness in detecting rootkits, but it is complex for beginners and requires regular updates.
Scoring methodology
Snort is the most famous open-source network intrusion detection and prevention system in history. While it has been surpassed in performance by newer tools like Suricata, it remains a foundational technology in the security industry. Its rule-based engine is simple to understand and highly effectiv...
Why this score
Snort scores 8.5/10 due to its powerful real-time threat detection capabilities, open-source nature, and flexible rule sets. However, it has a steep learning curve and can be resource-intensive.
Scoring methodology
Logwatch is an open-source command line tool designed for Linux environments. It automates the analysis of system logs to generate weekly reports. These reports highlight significant events and potential security concerns, primarily benefiting system administrators and IT professionals responsible f...
Why this score
Logwatch scores 7.8/10 due to its comprehensive reporting capabilities and support for multiple log formats, but it is limited to Linux systems and may require complex configuration.
Scoring methodology
ClamAV is an open-source antivirus engine designed for detecting trojans, viruses, and malware. It is primarily used on mail gateways and Linux servers to scan incoming files. While it is a standard tool for server-side scanning, its effectiveness against modern, sophisticated malware is limited com...
Why this score
ClamAV scores 9.5/10 due to its highly accurate virus detection, comprehensive malware database updates, and support for multiple operating systems. However, it may be less user-friendly for non-technical users and can be resource-intensive on older hardware.
Scoring methodology
