Security Tools | Blue Security Ops

Free Security Tools

Browse our collection of free, open-source security tools designed to help security professionals and organizations improve their security posture.

BSOT - Blue Security Ops Toolkit

A comprehensive command-line security toolkit for blue team operations, incident response, and threat analysis. Provides practical tools for phishing analysis, threat intelligence, file forensics, network security, log analysis, and more.

Security Tools CLI Tools Python Phishing Detection File Analysis Network Security Threat Intelligence Incident Response

GitHub Website

CertWatchdog

CertWatchdog is an open-source SSL/TLS certificate monitoring security tool. It scans domains to detect certificate expiration risks, validate certificate chains, identify deprecated protocols, flags weak cipher suites, and verify hostname matching. Available as both a CLI and web dashboard with webhook alerting for proactive incident prevention.

Security Monitoring Infrastructure Security

GitHub Website

Vervain

Chrome extension that detects homograph and typosquatted email domains used in phishing and impersonation attacks. Protects against lookalike domains that visually mimic legitimate organizations.

Security Tools Browser Extension Phishing Detection Email Security

GitHub Website

Vesta

Open-source third-party risk management platform for SMB security teams. Track vendors, manage security assessments, and streamline your TPRM workflow.

TPRM Vendor Security GRC

GitHub Website

Contributing

All our tools are open-source and hosted on GitHub. Contributions, suggestions, and bug reports are welcome! If you've built something useful, feel free to share it with the community.

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