Threat Intelligence12 min read
Comparing Open-Source Threat Intelligence Feeds in 2026
A comprehensive comparison of popular open-source threat intelligence feeds including AlienVault OTX, AbuseIPDB, and URLhaus.
Wiestell Team
March 8, 2026
Threat FeedsOpen SourceComparison
Introduction to Threat Intelligence Feeds
Open-source threat intelligence feeds provide free access to curated lists of malicious indicators...
AlienVault OTX
AlienVault's Open Threat Exchange is one of the largest community-driven threat intelligence platforms...
AbuseIPDB
Specializing in IP reputation, AbuseIPDB tracks malicious IP addresses reported by users worldwide...