Explore the ultimate guide to the top 100 open-source security tools on Geek-Guy.com! Whether you’re a cybersecurity professional or an enthusiast, this comprehensive list offers powerful tools to enhance your digital defenses. Dive into detailed reviews, features, and expert insights to fortify your cybersecurity arsenal with the best open-source software available. Stay ahead of threats and secure your systems with Geek-Guy’s expertly curated selection of security tools.
Network Security
- Nmap (port scanner)
- Nessus (vulnerability scanner)
- OpenVAS (vulnerability scanner)
- Wireshark (network protocol analyzer)
- Metasploit (penetration testing framework)
- Burp Suite (web application security testing tool)
- Snort (intrusion detection system)
- Suricata (intrusion detection system)
- Fail2ban (security service for SSH, HTTP, and FTP)
- Prad (network vulnerability scanner)
Penetration Testing
- Kali Linux (penetration testing distribution)
- BackTrack (penetration testing distribution)
- Parrot Security OS (penetration testing distribution)
- Metasploit Framework (penetration testing framework)
- Core Impact (penetration testing tool)
- Samurai Web Testing Framework (web application security testing tool)
- OWASP ZAP (web application security testing tool)
- Burp Suite (web application security testing tool)
- Nessus (vulnerability scanner)
- OpenVAS (vulnerability scanner)
Cryptography
- OpenSSL (cryptography library)
- GnuPG (email encryption software)
- BitCOIN Core (cryptocurrency wallet and network)
- Libsodium (library for cryptographic primitives)
- cryptography.io (Python library for cryptographic primitives)
- pycryptodome (Python library for cryptographic primitives)
- OpenSSL.org (cryptography resources)
Incident Response
- LogRhythm (security information and event management system)
- Splunk (security information and event management system)
- ELK Stack (log analysis and security monitoring tool)
- Security Onion (security appliance and log analyzer)
- OpenDLP (Data Loss Prevention solution)
- TSI (Threat Signal Intelligence platform)
- RQIS (Rapid Threat Intelligence System)
- RiskIQ (threat intelligence platform)
Vulnerability Management
- Nessus (vulnerability scanner)
- OpenVAS (vulnerability scanner)
- Qualys (vulnerability management platform)
- Rapid7 (vulnerability management platform)
- Burp Suite (web application security testing tool)
- OWASP ZAP (web application security testing tool)
- Snort (intrusion detection system)
- Suricata (intrusion detection system)
- Fail2ban (security service for SSH, HTTP, and FTP)
- Prad (network vulnerability scanner)
Identity and Access Management
- OpenID Connect (identity authentication protocol)
- OAuth 2.0 (identity authentication protocol)
- FreeRADIUS (radius server for authentication)
- Mod_auth_openid_connect (OpenID Connect authentication module)
- RADIUS server (radius server for authentication)
- LDAP (Lightweight Directory Access Protocol)
- Active Directory (domain management and authentication)
Endpoint Security
- ClamAV (virus scanner for email and files)
- Anubis (virus scanner for files and network traffic)
- AIDE (file integrity monitoring tool)
- Tripwire (file system integrity monitoring tool)
- Linux-Pipe (pipe-based intrusion detection system)
- Snort (intrusion detection system)
- Suricata (intrusion detection system)
- EGR (Endpoint Gateway for Remote Access)
Cloud Security
- Cloud Security Gateway (CSG) (cloud security gateway)
- AWS IAM (Amazon Web Services Identity and Access Management)
- Azure Active Directory (Azure)
- Prowler: A comprehensive cloud security tool for AWS, Azure, and GCP that helps conduct security assessments and audits.
- CloudSploit: A tool for detecting security issues in cloud environments and containers.
- Falco: A behavioral activity monitor designed to detect suspicious activity on your cloud infrastructure.
- OpenSCAP: An open-source tool for performing security compliance checks.
- Tenable.io: A cloud-based vulnerability management tool that helps identify and fix vulnerabilities.
- Nessus: A widely-used vulnerability scanner, though its free version is limited compared to the paid version.
- Wazuh: An open-source security monitoring solution that helps detect threats and compliance violations.
- Aqua Security: A tool for securing containerized environments and cloud-native applications.
- StackRox: A cloud-native security platform for Kubernetes environments.
- CIS-CAT: A tool for assessing and managing cloud security posture based on the Center for Internet Security benchmarks.