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Linux Cybersecurity Tools

Tools for network analysis, security testing, forensics, monitoring and auditing, for authorised security work.

These are established tools used by security professionals, administrators and students. Use them only on systems and networks you own or have explicit permission to test. Aptorise lists software; it doesn't provide attack instructions.

Part of the Cybersecurity toolkit, which explains when you would use each tool.

Network analysis

Capture traffic and map networks you're responsible for.

  • Wireshark icon
    Wireshark

    Analyse captured traffic in detail.

    Open SourceWin / Mac / Linux

  • tcpdump

    Capture traffic on servers.

    Open SourceMac / Linux

  • Nmap icon
    Nmap

    Map hosts and services on networks you're authorised to assess.

    Open SourceWin / Mac / Linux

Web application security testing

Intercept and analyse web traffic to find security issues in applications.

  • ZAP icon
    ZAP

    Open-source web application scanner and proxy.

    Open SourceWin / Mac / Linux

  • Burp Suite Community Edition

    Widely used web testing toolkit; free Community Edition.

    FreemiumWin / Mac / Linux

Vulnerability assessment

Scan systems you manage for known vulnerabilities and misconfigurations.

Digital forensics

Examine storage and file systems during investigations.

  • Autopsy

    Graphical forensic analysis.

    Open SourceWin / Mac / Linux

  • The Sleuth Kit

    Command-line forensic tools behind Autopsy.

    Open SourceWin / Mac / Linux

OSINT

Collect publicly available information, for example during an authorised assessment.

  • SpiderFoot icon
    SpiderFoot

    Automates gathering public information.

    Open SourceWin / Mac / Linux

  • theHarvester

    Collects public information about a domain.

    Open SourceMac / Linux

Incident response

Collect evidence and visibility from endpoints during an incident.

  • Velociraptor

    Collects evidence and monitors endpoints.

    Open SourceWin / Mac / Linux

Defensive monitoring

Monitor network traffic for suspicious activity.

  • Suricata

    Detects threats in network traffic.

    Open SourceLinux

  • Zeek

    Turns traffic into detailed activity logs.

    Open SourceMac / Linux

Security auditing

Review hardening and configuration against good practice.

  • Lynis

    Audits a system's hardening and configuration.

    Open SourceMac / Linux

Wireless analysis

Test the security of Wi-Fi networks you're authorised to assess.

  • Aircrack-ng

    Tests the security of Wi-Fi networks you own or are authorised to assess.

    Open SourceWin / Linux

Password auditing

Test whether password hashes from systems you're responsible for are weak.

  • John the Ripper

    Tests password hashes during authorised audits.

    Open SourceWin / Mac / Linux

  • Hashcat

    GPU-accelerated password auditing.

    Open SourceWin / Linux

More Linux tools