The closest LeakIX alternatives are ctlogs.dev, Criminal IP Security Scanning Service and Sn1per Professional 2026. Picking a LeakIX alternative comes down to fit: External Attack Surface Management 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.
44 alternativesClosest matches: ctlogs.dev, Criminal IP Security Scanning Service, Sn1per Professional 2026Page updated Nov 2026
The product
LeakIX is a red-team search engine that indexes mis-configurations and vulnerabilities online.
LeakIX is a free External Attack Surface Management solution. The closest matches by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, Criminal IP Security Scanning Service, Sn1per Professional 2026, Outpost24 External Attack Surface Management, and StrikeOne Attack Surfa. All 44 alternatives on this page are ranked the same way.
These 8 solutions overlap most with LeakIX. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
Key features: Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API, Wildcard & Fingerprint Matching, SSL/TLS Certificate History Tracking
Internet-connected asset search engine with vulnerability scanning capabilities
Key features: 10 listed. See them on the Criminal IP Security Scanning Service page.
View Criminal IP Security Scanning ServiceCriminal IP Security Scanning Service alternativesLeakIX vs Criminal IP Security Scanning Service
Sn1per Professional 2026: automated penetration testing & attack surface management
Key features: 10 listed. See them on the Sn1per Professional 2026 page.
View Sn1per Professional 2026Sn1per Professional 2026 alternativesLeakIX vs Sn1per Professional 2026
Cloud platform for continuous visibility & mgmt of external attack surfaces
Key features: 10 listed. See them on the Outpost24 External Attack Surface Management page.
View Outpost24 External Attack Surface ManagementOutpost24 External Attack Surface Management alternativesLeakIX vs Outpost24 External Attack Surface Management
AI-powered attack surface management platform for cybersecurity monitoring
Key features: 5 listed. See them on the StrikeOne Attack Surfa page.
View StrikeOne Attack SurfaStrikeOne Attack Surfa alternativesLeakIX vs StrikeOne Attack Surfa
AI-powered platform for continuous attack surface discovery and pentesting
Key features: 10 listed. See them on the Hadrian Agentic AI page.
View Hadrian Agentic AIHadrian Agentic AI alternativesLeakIX vs Hadrian Agentic AI
Discovers and monitors external-facing assets and vulnerabilities
Key features: 10 listed. See them on the Microsoft Defender EASM page.
View Microsoft Defender EASMMicrosoft Defender EASM alternativesLeakIX vs Microsoft Defender EASM
External attack surface mgmt platform for discovering & monitoring assets
Key features: 10 listed. See them on the Halo Security Attack Surface Management page.
View Halo Security Attack Surface ManagementHalo Security Attack Surface Management alternativesLeakIX vs Halo Security Attack Surface Management
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
Internet-connected asset search engine with vulnerability scanning capabilities
Sn1per Professional 2026: automated penetration testing & attack surface management
Cloud platform for continuous visibility & mgmt of external attack surfaces
AI-powered attack surface management platform for cybersecurity monitoring
AI-powered platform for continuous attack surface discovery and pentesting
Discovers and monitors external-facing assets and vulnerabilities
External attack surface mgmt platform for discovering & monitoring assets
External attack surface management platform with continuous asset discovery
External attack surface management platform for discovering digital assets
Internet intelligence platform for asset discovery and attack surface mapping
SaaS platform for attack surface management and vulnerability detection
EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities
Supply chain intelligence platform mapping digital ecosystems & proximity risks
Attack surface management platform for monitoring vulnerabilities and breaches
Discovers and manages internet-facing assets with vulnerability prioritization
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.
External attack surface mgmt with automated pentesting and validation
SOCRadar Attack Surface Management is an EASM platform that continuously discovers, monitors, and assesses internet-facing digital assets for vulnerabilities and security risks.
Automated ASM tool for multi-cloud environments with continuous asset discovery
External attack surface mgmt with asset discovery and on-demand pentesting
Active attack surface mgmt solution for discovering & remediating unknown risks
Passive asset discovery platform using Netflow data for attack surface mapping
External attack surface management platform for asset discovery and vuln mgmt
AI-driven EASM platform for discovering and monitoring external-facing assets
External attack surface management platform for asset discovery and risk detection
EASM platform with integrated CTI for asset discovery and vulnerability mgmt
Cytrusst ASM is an attack surface management product that helps discover an organization's
Agentless API attack surface discovery and vulnerability detection platform
Discovers, monitors, and assesses external attack surface assets continuously.
Continuous discovery, monitoring, and testing of external assets and exposures
EASM platform with continuous asset discovery and threat intelligence context
LLM-powered security platform for finding and fixing security gaps
Customizable ASM platform for asset discovery, monitoring, and enrichment
Attack surface asset classification and contextualization platform
Discovers assets, analyzes risks, and prioritizes vulnerabilities across orgs.
Attack surface management platform for asset discovery and vulnerability monitoring
ASM platform for discovering, monitoring, and prioritizing external/internal assets
CTI-driven external attack surface mgmt with threat exposure prioritization
ASM platform that scans external attack surfaces hourly for vulnerabilities
Cloud-based EASM platform for discovering internet-facing assets & exposures
External attack surface monitoring with dark web intelligence and scanning
Platform for continuous attack surface discovery, monitoring, and remediation
Automated digital asset discovery and monitoring for external attack surface
Common questions when weighing alternatives to LeakIX.
The closest matches to LeakIX by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, Criminal IP Security Scanning Service, Sn1per Professional 2026, Outpost24 External Attack Surface Management, and StrikeOne Attack Surfa. All of them are External Attack Surface Management products.
This page shows 44 alternatives to LeakIX, all in the External Attack Surface Management category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
LeakIX is a free External Attack Surface Management product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.
LeakIX is a External Attack Surface Management product in the Exposure & Vulnerability Management category. You can compare it with the 44 other External Attack Surface Management products on this page.
Need the answer fast? Best Attack Surface Management Solutions for Business picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.See the shortlist