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Security · GitHub

Protect systems, find vulnerabilities, and improve privacy.

Useful GitHub projects

2,779 projects

zksync

matter-labs

4,914stars

zkSync: trustless scaling and privacy engine for Ethereum

SecurityRustApache-2.0GitHub

AdguardFilter

miaoermua

146stars

↩️ 更合理 AdGuard 规则,轻松改善你的使用体验 - 专注于拦截追踪器和 HTTPDNS

minder

mindersec

428stars
minder preview

Software Supply Chain Security Platform

  • Repo configuration and security: Simplify configuration and management of security settings and policies across repos.
  • Proactive security enforcement: Continuously enforce best practice security configurations by setting granular policies to alert only or auto-remediate.
SecurityGoApache-2.0GitHub
4,847stars
nginx-ultimate-bad-bot-blocker preview

Nginx Block Bad Bots, Spam Referrer Blocker, Vulnerability Scanners, User-Agents, Malware, Adware, Ransomware, Malicious Sites, with anti-DDOS, Wordpress Theme Detector Blocking and Fail2Ban Jail for Repeat Offenders

  • Extensive Lists of Bad and Known Bad Bots and Scrapers (updated almost daily)
  • Blocking of Spam Referrer Domains and Web Sites
61stars
osint-mcp preview

86-tool OSINT MCP server with private evidence graphs, image analysis, reverse search, and person dossiers.

nano

nano-rs

75stars
nano preview

Lightweight open-core SIEM in Rust — S3-compatible for logs, Postgres for state.

SecurityRustAGPL-3.0GitHub
43stars
impacket-rs preview

High-performance, memory-safe pure-Rust redesign of Impacket protocols and Active Directory tools for Linux, macOS, and Windows.

  • Cross-Platform Host & Target Ecosystem: Runs natively on Linux (glibc & static musl), macOS (Apple Silicon & Intel), and Windows. Interacts with both Linux/UNIX targets (Samba, FreeIPA, OpenLDAP, MIT/Heimdal Kerberos KDC) and Windows domains across all eras (Windows 2000 through Windows Server 2025).
  • Sub-Millisecond Cold Starts: Starts in < 2ms compared to 150-250ms for Python Impacket, making it ideal for massive orchestrations and fast pivoting.
SecurityRustApache-2.0GitHub

vulnix

nix-community

884stars

Vulnerability (CVE) scanner for Nix/NixOS [maintainer=@henrirosten]

SecurityPythonBSD-3-ClauseGitHub

Identity-Provider

noel-mugisha

176stars

A comprehensive security repo for modern Java backend applications. The only identity provider you’ll ever need.

  • Multi-Authentication Support: JWT-based authentication with OAuth2 social login (Google)
  • Multi-Factor Authentication: TOTP-based MFA (RFC 6238) compatible with Google Authenticator, Authy, and any standard authenticator app — with QR code enrollment, manual secret entry, and 10 single-use recovery codes

WinPriv

NoMoreFood

63stars

Windows administration utility for process privileges, registry and API overrides, application compatibility testing, diagnostics, and local account rights management.

  • Privilege management — enable individual or all Windows privileges on a process token
  • Registry interception — override value reads or hide values under selected keys and subkeys

nyxis

NyxFoundation

322stars

A Lean backend framework whose authorization safety is formally proven. The developer writes only a Cedar schema and policies; handlers are built on Supabase Auth and PostgreSQL.

rontye

openguardrails

107stars

A firewall for the agents your agents spawn.

SecurityTypeScriptApache-2.0GitHub

opentrap

opentrap

703stars
opentrap preview

A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Linux, AGPL-3.0.

  • Proxy-first by design - intercept, replay and edit live traffic, with the whole toolset one click away.
  • Detection that stands up - crawl and audit with the proven OWASP ZAP engine, so the findings hold up.
SecurityJavaAGPL-3.0GitHub

orange-lab

OrangeLab-space

40stars

Private infrastructure on consumer hardware based on K3s, Tailscale, Pulumi and Longhorn

  • Infrastructure as code and deployment automation (Pulumi ↗)
  • Lightweight Kubernetes cluster (K3S ↗)
SecurityTypeScriptMITGitHub

php2shellbt

pentestershell

82stars

Python scanner for CVE-2026-109618, CVE-2026-109619 and the php2shell session chains (handler mismatch + LFI). No external dependencies.

  • 4 detection checks in a single script
  • Zero external dependencies — pure Python 3.6+ stdlib

shortdot-evidence

phishdestroy

128stars
shortdot-evidence preview

ShortDot registry abuse investigation across seven TLDs: zone analysis, phishing evidence, classified IOC feeds and STIX exports.

threatcrush

profullstack

26stars
threatcrush preview

Real-time threat intelligence platform with threat feeds, vulnerability tracking, attack surface monitoring, and threat actor intelligence.

  • 🔍 Live Attack Detection - Tails nginx, auth, syslog and journald, and polls inbound connections to the ports you serve. Detects SQLi, XSS, path traversal, RFI, SSH brute force, port scans, SYN floods, DNS tunneling.
  • 🛡️ Code Security Scanner - Scan a codebase for hardcoded secrets and risky code patterns; --deps checks lockfile versions against OSV.dev. Text, JSON or SARIF output.
SecurityTypeScriptMITGitHub

dalec

project-dalec

327stars

📦 Produce secure packages and containers with declarative configurations

  • 🐳 No additional tools are needed except for Docker!
  • 🚀 Easy to use declarative configuration
SecurityGoApache-2.0GitHub

pwndoc-ng

pwndoc-ng

462stars
pwndoc-ng preview

Pentest Report Generator

  • Collaborative editing: several users write the same audit in real time (TipTap 3, Hocuspocus/Yjs), WYSIWYG editor with tables, images with captions, bar and pie charts, spellchecker (LanguageTool) and code blocks with syntax highlighting (css, js, http, ts, html, bash, sql, json: choose the language in the menu of the code block)
  • Links between findings: with {@identifier | bookmarkCreate | p} in the template, type ::: in the editor to link another finding with a hyperlink
SecurityJavaScriptMITGitHub