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security

Trending Security repos

Security

Scanners, hardening guides and defensive tooling.

From Oct 14 to Oct 20, 2026, the 189 ranked repos gained 36k stars, 14% fewer than the week before.

Updated 20 min ago

Ranking

Showing 20 of 189

How health is computed
Rank 1

Check Risk WAF is an all-in-one Web Application Firewall with Anti-Bot and Anti-DDoS protection at L3, L4, and L7. Available on-premises or as SaaS, it protects web apps against OWASP Top 10 attacks, CWE vulnerabilities, botnets, and DoS/DDoS. Free and unlimited for everyone, forever for personal, non-commercial use.

972 stars total Health: Low activityNetworking topic
+958 stars this week
Rank 3

Zero Breach — local, read-only scanner that checks a computer for indicators of the AdFection / Candiru ad-delivered spyware campaign. No network, no admin, no dependencies.

Python487 stars total Python topic
+487 stars this week
Rank 4

Evidence-grounded repository audit CLI - deterministic scanner, MCP server, live dashboard, and a GitHub Action that posts PR diffs.

Python633 stars total Health: HealthyDevOps topicMCP topic
+430 stars this week
Rank 6

An agent skill that finds where a photo was taken — OpenStreetMap geometry, elevation skylines, satellite imagery and street view — and shows its work. Works with Claude Code, Codex, Cursor, Gemini CLI, OpenCode and GitHub Copilot.

+1.2k stars this week
Rank 8

Local-first threat hunting for the logs you already have: Zeek, Pi-hole, syslog or the systemd journal, CloudTrail. Every run names the technique behind each detector. No agent, no daemon, no black box - between grep and a SIEM.

Python312 stars total Health: HealthyHomelab topicSelf-hosted topic
+202 stars this week
Rank 10

🛡️ Free open-source AI-powered security terminal & vulnerability scanner (CVE, SBOM). Supports SSH, SFTP, RDP, VNC, Serial, and 12+ autonomous AI agents (DeepSeek, OpenAI) for automated security workflows, CTF & DevSecOps. Cross-platform & Web UI.

HTML967 stars total Terminal topicMCP topic
+419 stars this week
Rank 12

🛡️ Security audit CLI for Model Context Protocol (MCP) servers — scan AI agent configs for tool poisoning, rug pulls, hardcoded secrets, command injection & supply-chain risks. Pure Python, SARIF + CI ready.

Python514 stars total MCP topicCoding agents topic
+245 stars this week
Rank 13

A spy satellite simulator in your browser, except the data is real. Live open source spatial intelligence on a photorealistic 3D globe.

JavaScript58.5k stars total Health: HealthyJavaScript topic
+3k stars this week
Rank 14

A local zero-trust checkpoint for the Model Context Protocol: read newline-delimited JSON-RPC, decide each message against a policy - allow, deny, redact - and write only what survives, with one audit line per message.

Rust126 stars total Health: Mixed signalsNetworking topicCLI tools topic
+123 stars this week
Rank 15

ARTEX · AI autonomous penetration testing system (multi-agent LLM, Go + Next.js) · AI 自主渗透测试系统 · 百度 agent+ 攻防挑战赛冠军

Go1.4k stars total Go topicWeb frameworks topic
+353 stars this week
Rank 17

🛡️ Open-source DDoS mitigation for Linux: nftables and XDP drops, 110 attack signatures, auto-learning, sFlow/NetFlow and BGP up to 100G, game and VPN aware, Discord alerts. One-command install

Python304 stars total Health: Low activityNetworking topicPython topic
+127 stars this week
Rank 18

A cross-platform userspace declarative command policy launcher: post the standing orders once and let the gatehouse decide whether and how a command runs.

Rust94 stars total Health: HealthyCLI tools topicGo topic
+94 stars this week
Rank 19

Cairn is a general-purpose AI state-space search engine, validated first on autonomous penetration testing. Sometimes misspelled as Carin.

Python4.1k stars total Health: Low activityLLM topicAI agents topic
+557 stars this week
Rank 20

Local security intelligence for CVE triage — 31 tools, 25 sources, risk scores and an MCP server for AI agents, all in native Rust. Private by default.

+81 stars this week