1.fail2ban / fail2ban
Daemon to ban hosts that cause multiple authentication errors
+246 stars
from 18,683 · score 5.51
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
6 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
2.SigmaHQ / sigma
Main Sigma Rule Repository
+237 stars
from 11,148 · score 5.47
3.hookprobe / hookprobe
🛡️ Free AI that blocks hackers while you sleep. Runs on cheap hardware. When someone in Tokyo gets attacked, you're protected in 30 seconds. No fees. No experts needed. Just protection. One node's detection → everyone's protection.
+3 stars
from 45 · score 1.39
4.julioliraup / Antiphishing
Advanced Phishing Protection: Suricata rulesets open and free
+3 stars
from 40 · score 1.39
5.aaronphifer / triagewall
Local-LLM alert triage for self-hosted SOCs.
+3 stars
from 11 · score 1.39
6.tenzir / threatbusArchived
🚌 Threat Bus – A threat intelligence dissemination layer for open-source security tools.
+1 stars
from 270 · score 0.69