Scarlet Shark Intel Lists vs SSLBL - SSL Blacklist: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
Scarlet Shark Intel Lists is a free threat intel feeds tool by Scarlet Shark. SSLBL - SSL Blacklist is a free threat intel feeds tool. Compare features, ratings, integrations, and community reviews side by side to find the best threat intel feeds fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictBased on our analysis of core features, here is our conclusion:
Security teams operating on zero budget or tight cost constraints should use SSLBL - SSL Blacklist to block botnet C&C callbacks at the TLS handshake, catching malware that evades application-layer detection. It maintains active feeds of compromised SSL certificates and JA3 fingerprints used by known command-and-control servers, making it a practical addition to network detection workflows. Skip this if your team needs bidirectional threat intelligence or depends on proprietary feeds; SSLBL works best as a specialized, free layer on top of commercial threat intel platforms.
Data verified Sep 2026
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