50 Free Cyber Threat Intelligence Tools 2023

The list provides a range of security resources, including a Whitelist of Amazon’s top million sites by Alexa, open-source Indicators of Compromise (IOCs) from Botvrij.eu, a tracker for active botnets, and a public service offering 2,000 potentially malicious IPs. Other tools listed provide real-time updates on SSL certificates, track Advanced Persistent Threats (APT) and provide various threat feeds and intelligence.