DNS-Blocklists: For a better internet - keep the internet clean!
- dns
- ads
- blacklist
- blocklist
60,121 visible repositories in the index
1–24 of 36 · Most stars
DNS-Blocklists: For a better internet - keep the internet clean!
SpiderFoot automates OSINT for threat intelligence and mapping your attack surface.
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
Open Cyber Threat Intelligence Platform
Open-source AI Security Operations Center: alert fusion, LLM-agent triage, MITRE ATT&CK investigation, and a replayable decision ledger for every agent step. Self-hostable, runs with no API keys, MIT licensed. Ships an MCP server for Claude, Cursor and Continue.
MISP (core software) - Open Source Threat Intelligence and Sharing Platform
Domain name permutation engine for detecting homograph phishing attacks, typo squatting, and brand impersonation
IntelOwl: manage your Threat Intelligence at scale
Malwoverview is a first response tool for threat hunting across VirusTotal, Hybrid Analysis, URLHaus, Polyswarm, Malshare, Alien Vault, Malpedia, Malware Bazaar, ThreatFox, Triage, IPInfo, Shodan, AbuseIPDB, GreyNoise, URLScan.io, Whois/RDAP, NIST, and VulnCheck. Supports LLM enrichment, IOC extraction, YARA scanning, and Android analysis.
Your Everyday Threat Intelligence
Phishing catcher using Certstream
ThePhish: an automated phishing email analysis tool
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.
Malcom - Malware Communications Analyzer
IntelMQ is a solution for IT security teams for collecting and processing security feeds using a message queuing protocol.
Extract and aggregate threat intelligence.
Tool to gather Threat Intelligence indicators from publicly available sources
Defanged Indicator of Compromise (IOC) Extractor.
OASIS TC Open Repository: Python APIs for STIX 2
Sandia Cyber Omni Tracker (SCOT)
Z-Hound — a CSV-first collector that finds public threat reports and extracts structured IoCs without a database, LLM, or API key.
Collecting & Hunting for IOCs with gusto and style
Protect your SIP Servers from bad actors at https://sentrypeer.org
Threat Intelligence Quotient Test - Dataviz and Statistical Analysis of TI feeds