# SSLBL - SSL Blacklist alternatives and competitors (2026)

The closest SSLBL - SSL Blacklist alternatives are [Webz.io](https://cybersectools.com/tools/webzio), [OPSWAT MetaDefender InSights C2](https://cybersectools.com/tools/opswat-metadefender-insights-c2) and [Malware Patrol Enterprise CTI](https://cybersectools.com/tools/malware-patrol-enterprise-cti). Picking a SSLBL - SSL Blacklist alternative comes down to fit: Threat Intel Feeds coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.

Closest 48 alternatives shown. Closest matches: Webz.io, OPSWAT MetaDefender InSights C2, Malware Patrol Enterprise CTI.

## The product

[SSLBL - SSL Blacklist](https://cybersectools.com/tools/sslbl-ssl-blacklist)

A project that detects malicious SSL connections by identifying and blacklisting SSL certificates used by botnet C&C servers and identifying JA3 fingerprints to detect and block malware botnet C&C communication.

Category: [Threat Intelligence](https://cybersectools.com/categories/threat-intelligence) · Pricing model: Free

## SSLBL - SSL Blacklist alternatives and competitors

SSLBL - SSL Blacklist is a free [Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) solution. The closest matches by shared tags and NIST CSF 2.0 coverage are [Webz.io](https://cybersectools.com/tools/webzio), [OPSWAT MetaDefender InSights C2](https://cybersectools.com/tools/opswat-metadefender-insights-c2), [Malware Patrol Enterprise CTI](https://cybersectools.com/tools/malware-patrol-enterprise-cti), [ZeroFox Threat Intelligence Feeds](https://cybersectools.com/tools/zerofox-threat-intelligence-feeds), and [NETSCOUT ATLAS Intelligence Feed (AIF)](https://cybersectools.com/tools/netscout-atlas-intelligence-feed-aif). All 48 alternatives on this page are ranked the same way.

Want a free option? See [free and open source threat intelligence solutions](https://cybersectools.com/free), plus free picks in other categories.

## The closest SSLBL - SSL Blacklist alternatives

These 8 solutions overlap most with SSLBL - SSL Blacklist. Each one says what the product does and, when the overlap is big enough, which capabilities it shares.

### 1. [Webz.io](https://cybersectools.com/tools/webzio) (Featured)

Web data platform providing open, deep & dark web APIs and monitoring.

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: Dark Web API for accessing deep and dark web data, Data Breach Detection API for identifying exposed credentials and breached data, Open Web APIs covering news, blogs, forums, and reviews, Lunar platform for dark web monitoring and incident response, Account takeover protection via stolen credential tracking

[Webz.io alternatives](https://cybersectools.com/alternatives/webzio) · [SSLBL - SSL Blacklist vs Webz.io](https://cybersectools.com/compare/sslbl-ssl-blacklist-vs-webzio)

### 2. [OPSWAT MetaDefender InSights C2](https://cybersectools.com/tools/opswat-metadefender-insights-c2)

Real-time C2 infrastructure detection and disruption threat intelligence feed

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: 10 listed. See them on the [OPSWAT MetaDefender InSights C2 page](https://cybersectools.com/tools/opswat-metadefender-insights-c2#features).

[OPSWAT MetaDefender InSights C2 alternatives](https://cybersectools.com/alternatives/opswat-metadefender-insights-c2) · [SSLBL - SSL Blacklist vs OPSWAT MetaDefender InSights C2](https://cybersectools.com/compare/opswat-metadefender-insights-c2-vs-sslbl-ssl-blacklist)

### 3. [Malware Patrol Enterprise CTI](https://cybersectools.com/tools/malware-patrol-enterprise-cti)

Enterprise threat intelligence feeds covering malware, phishing, C2, and IPs

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: 10 listed. See them on the [Malware Patrol Enterprise CTI page](https://cybersectools.com/tools/malware-patrol-enterprise-cti#features).

[Malware Patrol Enterprise CTI alternatives](https://cybersectools.com/alternatives/malware-patrol-enterprise-cti) · [SSLBL - SSL Blacklist vs Malware Patrol Enterprise CTI](https://cybersectools.com/compare/malware-patrol-enterprise-cti-vs-sslbl-ssl-blacklist)

### 4. [ZeroFox Threat Intelligence Feeds](https://cybersectools.com/tools/zerofox-threat-intelligence-feeds)

Threat intelligence feeds for SOC teams from social, dark web & botnet sources

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: 10 listed. See them on the [ZeroFox Threat Intelligence Feeds page](https://cybersectools.com/tools/zerofox-threat-intelligence-feeds#features).

[ZeroFox Threat Intelligence Feeds alternatives](https://cybersectools.com/alternatives/zerofox-threat-intelligence-feeds) · [SSLBL - SSL Blacklist vs ZeroFox Threat Intelligence Feeds](https://cybersectools.com/compare/sslbl-ssl-blacklist-vs-zerofox-threat-intelligence-feeds)

### 5. [NETSCOUT ATLAS Intelligence Feed (AIF)](https://cybersectools.com/tools/netscout-atlas-intelligence-feed-aif)

AI-powered threat intelligence feed for automated DDoS protection

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: 10 listed. See them on the [NETSCOUT ATLAS Intelligence Feed (AIF) page](https://cybersectools.com/tools/netscout-atlas-intelligence-feed-aif#features).

[NETSCOUT ATLAS Intelligence Feed (AIF) alternatives](https://cybersectools.com/alternatives/netscout-atlas-intelligence-feed-aif) · [SSLBL - SSL Blacklist vs NETSCOUT ATLAS Intelligence Feed (AIF)](https://cybersectools.com/compare/netscout-atlas-intelligence-feed-aif-vs-sslbl-ssl-blacklist)

### 6. [SecurityZones SURBL BV](https://cybersectools.com/tools/securityzones-surbl-bv)

Domain reputation threat intelligence feeds for malicious domain detection

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: 10 listed. See them on the [SecurityZones SURBL BV page](https://cybersectools.com/tools/securityzones-surbl-bv#features).

[SecurityZones SURBL BV alternatives](https://cybersectools.com/alternatives/securityzones-surbl-bv) · [SSLBL - SSL Blacklist vs SecurityZones SURBL BV](https://cybersectools.com/compare/securityzones-surbl-bv-vs-sslbl-ssl-blacklist)

### 7. [IronNet IronRadar](https://cybersectools.com/tools/ironnet-ironradar)

Proactive C2 threat intelligence feed for detecting adversary infrastructure

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: 5 listed. See them on the [IronNet IronRadar page](https://cybersectools.com/tools/ironnet-ironradar#features).

[IronNet IronRadar alternatives](https://cybersectools.com/alternatives/ironnet-ironradar) · [SSLBL - SSL Blacklist vs IronNet IronRadar](https://cybersectools.com/compare/ironnet-ironradar-vs-sslbl-ssl-blacklist)

### 8. [IPQS IP Address Block List](https://cybersectools.com/tools/ipqs-ip-address-block-list)

IP address blocklist service for identifying and blocking fraudulent IPs

[Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds) · Commercial

Key features: 10 listed. See them on the [IPQS IP Address Block List page](https://cybersectools.com/tools/ipqs-ip-address-block-list#features).

[IPQS IP Address Block List alternatives](https://cybersectools.com/alternatives/ipqs-ip-address-block-list) · [SSLBL - SSL Blacklist vs IPQS IP Address Block List](https://cybersectools.com/compare/ipqs-ip-address-block-list-vs-sslbl-ssl-blacklist)

## The closest 48 products like SSLBL - SSL Blacklist

The 8 above, plus:

- [CyberSafe Feed](https://cybersectools.com/tools/cybersafe-feed): Aggregates and normalizes threat intel IOCs into a scored feed for SIEM ingestion (Commercial)
- [CTIChef.com Detection Feeds](https://cybersectools.com/tools/ctichefcom-detection-feeds): A tiered cyber threat intelligence service providing detection rules from public repositories with varying levels of analysis, processing, and guidance for security teams. (Commercial)
- [Constella Threat Intelligence Data Signals API](https://cybersectools.com/tools/constella-threat-intelligence-data-signals-api): API providing access to compromised identity data and threat signals (Commercial)
- [KELA Technical Cybercrime Intelligence](https://cybersectools.com/tools/kela-technical-cybercrime-intelligence): Technical threat intel feed of compromised IPs/domains from cybercrime sources (Commercial)
- [Sec1 ZeroDefender](https://cybersectools.com/tools/sec1-zerodefender): Real-time zero-day vulnerability detection and alerting platform (Commercial)
- [Nozomi Networks Threat Intelligence](https://cybersectools.com/tools/nozomi-networks-threat-intelligence): OT/IoT threat intelligence feed for vulnerability and malware detection (Commercial)
- [DarkOwl Ransomware API](https://cybersectools.com/tools/darkowl-ransomware-api): API for monitoring ransomware sites to detect org compromises & extortion (Commercial)
- [Hitachi Cyber Cyber Threat Intelligence Services](https://cybersectools.com/tools/hitachi-cyber-cyber-threat-intelligence-services): CTI services combining human expertise and AI for threat analysis (Commercial)
- [SecurityScorecard Intelligence Feeds](https://cybersectools.com/tools/securityscorecard-intelligence-feeds): Cyber threat intelligence feeds for SOC and threat intelligence teams (Commercial)
- [VMRay UniqueSignal](https://cybersectools.com/tools/vmray-uniquesignal): Behavior-based threat intel feed delivering malware IOCs with context (Commercial)
- [zvelo PhishBlocklist™](https://cybersectools.com/tools/zvelo-phishblocklisttm): Curated phishing threat intelligence feed with predictive detection (Commercial)
- [Netcraft Threat Feeds](https://cybersectools.com/tools/netcraft-threat-feeds): Threat intelligence feeds covering 100+ attack types with 5-min updates (Commercial)
- [IPQS IP Address Abuse Feed](https://cybersectools.com/tools/ipqs-ip-address-abuse-feed): Daily threat intel feed identifying malicious IPs with abuse classifications (Commercial)
- [Abusix Guardian Intel](https://cybersectools.com/tools/abusix-guardian-intel): Real-time threat intel feeds sourced from honeypots & ISP abuse reports. (Commercial)
- [Abusix Threat Intelligence](https://cybersectools.com/tools/abusix-threat-intelligence): Real-time threat intel platform with IP/domain reputation scoring and low false positives. (Commercial)
- [Abusix Guardian](https://cybersectools.com/tools/abusix-guardian): Suite for abuse desk mgmt, email blocklisting & threat intel for ISPs. (Commercial)
- [CrowdSec Live Exploit Tracker](https://cybersectools.com/tools/crowdsec-live-exploit-tracker): Real-time CVE exploitation tracker with active IP feeds and IoC visibility. (Commercial)
- [DNSSense Cyber X-Ray](https://cybersectools.com/tools/dnssense-cyber-x-ray): AI-powered DNS domain threat intelligence service for DDR 2.0 solutions. (Commercial)
- [Farsight Security DNSDB](https://cybersectools.com/tools/farsight-security-dnsdb): Passive DNS intelligence platform for threat detection and investigation. (Commercial)
- [Broadsheet](https://cybersectools.com/tools/broadsheet): Vulnerability intel service tracking CVEs for your specific vendor/product stack. (Commercial)
- [Netacea Threat Intel Center](https://cybersectools.com/tools/netacea-threat-intel-center) (Commercial)
- [Previdian](https://cybersectools.com/tools/previdian): Early-warning feed of exploited CVEs with sensor evidence, compared against CISA KEV. (Commercial)
- [Bitdefender Operational Threat Intelligence](https://cybersectools.com/tools/bitdefender-operational-threat-intelligence): Threat intelligence platform providing global threat visibility and IoCs (Commercial)
- [Malware Patrol Threat Intelligence](https://cybersectools.com/tools/malware-patrol-threat-intelligence): Threat intelligence feeds providing malware and threat data in multiple formats (Commercial)
- [ThreatSTOP IP Defense](https://cybersectools.com/tools/threatstop-ip-defense): Cloud service that automates threat blocking on firewalls, routers & switches (Commercial)
- [MaxMind IP Geolocation API](https://cybersectools.com/tools/maxmind-ip-geolocation-api): API service providing IP geolocation data and intelligence for security use cases (Commercial)
- [CYJAX Investigative Intelligence](https://cybersectools.com/tools/cyjax-investigative-intelligence): Investigative intelligence service for law enforcement agencies (Commercial)
- [Armis Vulnerability Intelligence Database](https://cybersectools.com/tools/armis-vulnerability-intelligence-database): AI-powered vulnerability intelligence database with real-time threat context (Commercial)
- [IP2Location IP2Proxy Proxy Detection Database](https://cybersectools.com/tools/ip2location-ip2proxy-proxy-detection-database): Database for detecting VPNs, proxies, Tor exits, and anonymization services (Commercial)
- [VerSprite Weekly Threat Intelligence](https://cybersectools.com/tools/versprite-weekly-threat-intelligence): Weekly threat intelligence briefings published by VerSprite (Commercial)
- [Nothreat ThreatShield](https://cybersectools.com/tools/nothreat-threatshield): AI-driven threat intel feeds for automated blocking on 20+ firewall vendors (Commercial)
- [alphaMountain Threat Intel & URL Classification](https://cybersectools.com/tools/alphamountain-threat-intel-and-url-classification): AI-powered URL classification & IP reputation feed/API for security vendors. (Commercial)
- [alphaMountain URL Classification](https://cybersectools.com/tools/alphamountain-url-classification): ML-based URL & domain classification API for threat and content scoring. (Commercial)
- [alphaMountain Domain & IP Reputation](https://cybersectools.com/tools/alphamountain-domain-and-ip-reputation): AI-based domain & IP threat scoring API for security product integration. (Commercial)
- [Antiy High-level Threat Intelligence Svc](https://cybersectools.com/tools/antiy-high-level-threat-intelligence-svc): Subscription threat intel service with reports, translations & security notifications. (Commercial)
- [Critical Start CTI](https://cybersectools.com/tools/critical-start-cti): Managed CTI service monitoring dark web & open sources for emerging threats. (Commercial)
- [OpenAVN Data](https://cybersectools.com/tools/openavn-data): Digital threat intel platform with 300TB+ of malware data, AI analytics & forecasting. (Commercial)
- [Safety Vulnerability Database](https://cybersectools.com/tools/safety-vulnerability-database): Proprietary Python vulnerability DB with AI detection & expert verification. (Commercial)
- [SecurityTrails API™](https://cybersectools.com/tools/securitytrails-apitm): API providing historical & current DNS, WHOIS, and domain intelligence data. (Commercial)
- [Mobile Threat Intelligence](https://cybersectools.com/tools/lookout-mobile-threat-intelligence): Mobile-focused threat intel covering apps, devices, URLs, APTs, and malware. (Commercial)

## Alternatives to each of these

[Webz.io alternatives](https://cybersectools.com/alternatives/webzio) · [OPSWAT MetaDefender InSights C2 alternatives](https://cybersectools.com/alternatives/opswat-metadefender-insights-c2) · [Malware Patrol Enterprise CTI alternatives](https://cybersectools.com/alternatives/malware-patrol-enterprise-cti) · [ZeroFox Threat Intelligence Feeds alternatives](https://cybersectools.com/alternatives/zerofox-threat-intelligence-feeds) · [NETSCOUT ATLAS Intelligence Feed (AIF) alternatives](https://cybersectools.com/alternatives/netscout-atlas-intelligence-feed-aif) · [SecurityZones SURBL BV alternatives](https://cybersectools.com/alternatives/securityzones-surbl-bv) · [IronNet IronRadar alternatives](https://cybersectools.com/alternatives/ironnet-ironradar) · [IPQS IP Address Block List alternatives](https://cybersectools.com/alternatives/ipqs-ip-address-block-list) · [CyberSafe Feed alternatives](https://cybersectools.com/alternatives/cybersafe-feed) · [CTIChef.com Detection Feeds alternatives](https://cybersectools.com/alternatives/ctichefcom-detection-feeds) · [Constella Threat Intelligence Data Signals API alternatives](https://cybersectools.com/alternatives/constella-threat-intelligence-data-signals-api) · [KELA Technical Cybercrime Intelligence alternatives](https://cybersectools.com/alternatives/kela-technical-cybercrime-intelligence)

## Compare SSLBL - SSL Blacklist with

- [SSLBL - SSL Blacklist vs Webz.io](https://cybersectools.com/compare/sslbl-ssl-blacklist-vs-webzio)
- [SSLBL - SSL Blacklist vs OPSWAT MetaDefender InSights C2](https://cybersectools.com/compare/opswat-metadefender-insights-c2-vs-sslbl-ssl-blacklist)
- [SSLBL - SSL Blacklist vs Malware Patrol Enterprise CTI](https://cybersectools.com/compare/malware-patrol-enterprise-cti-vs-sslbl-ssl-blacklist)
- [SSLBL - SSL Blacklist vs ZeroFox Threat Intelligence Feeds](https://cybersectools.com/compare/sslbl-ssl-blacklist-vs-zerofox-threat-intelligence-feeds)
- [SSLBL - SSL Blacklist vs NETSCOUT ATLAS Intelligence Feed (AIF)](https://cybersectools.com/compare/netscout-atlas-intelligence-feed-aif-vs-sslbl-ssl-blacklist)
- [SSLBL - SSL Blacklist vs SecurityZones SURBL BV](https://cybersectools.com/compare/securityzones-surbl-bv-vs-sslbl-ssl-blacklist)
- [SSLBL - SSL Blacklist vs IronNet IronRadar](https://cybersectools.com/compare/ironnet-ironradar-vs-sslbl-ssl-blacklist)
- [SSLBL - SSL Blacklist vs IPQS IP Address Block List](https://cybersectools.com/compare/ipqs-ip-address-block-list-vs-sslbl-ssl-blacklist)

## SSLBL - SSL Blacklist Alternatives FAQ

### What are the closest alternatives to SSLBL - SSL Blacklist?

The closest matches to SSLBL - SSL Blacklist by shared tags and NIST CSF 2.0 coverage are Webz.io, OPSWAT MetaDefender InSights C2, Malware Patrol Enterprise CTI, ZeroFox Threat Intelligence Feeds, and NETSCOUT ATLAS Intelligence Feed (AIF). All of them are Threat Intel Feeds products.

### How many alternatives to SSLBL - SSL Blacklist are available?

This page shows 48 alternatives to SSLBL - SSL Blacklist, all in the Threat Intel Feeds category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.

### Is SSLBL - SSL Blacklist free or commercial?

SSLBL - SSL Blacklist is a free Threat Intel Feeds product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.

### What type of solution is SSLBL - SSL Blacklist?

SSLBL - SSL Blacklist is a Threat Intel Feeds product in the Threat Intelligence category. You can compare it with the 48 other Threat Intel Feeds products on this page.

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Source: https://cybersectools.com/alternatives/sslbl-ssl-blacklist

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