# Siemba EASM alternatives and competitors (2026) The closest Siemba EASM alternatives are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Strobes Attack Surface Management](https://cybersectools.com/tools/strobes-attack-surface-management) and [Cyber Exposure Manager](https://cybersectools.com/tools/galileo-security). Picking a Siemba EASM 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. 46 alternatives. Closest matches: ctlogs.dev, Strobes Attack Surface Management, Cyber Exposure Manager. ## The product [Siemba EASM](https://cybersectools.com/tools/siemba-easm) by Siemba AI-driven EASM platform for discovering and monitoring external-facing assets Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · Pricing model: Commercial Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Siemba EASM alternatives and competitors Siemba EASM is a commercial [External Attack Surface Management](https://cybersectools.com/categories/external-asm) solution made by Siemba. The closest matches by shared tags and NIST CSF 2.0 coverage are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Strobes Attack Surface Management](https://cybersectools.com/tools/strobes-attack-surface-management), [Cyber Exposure Manager](https://cybersectools.com/tools/galileo-security), [CyberXTron ShadowSpot](https://cybersectools.com/tools/cyberxtron-shadowspot), and [Detectify Surface Monitoring](https://cybersectools.com/tools/detectify-surface-monitoring). All 46 alternatives on this page are ranked the same way. ## The closest Siemba EASM alternatives These 8 solutions overlap most with Siemba EASM. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) Fast Certificate Transparency search and JSON API for subdomain reconnaissance. [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API, Wildcard & Fingerprint Matching, SSL/TLS Certificate History Tracking [ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) · [Siemba EASM vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-siemba-easm) ### 2. [Strobes Attack Surface Management](https://cybersectools.com/tools/strobes-attack-surface-management) Platform for continuous attack surface discovery, monitoring, and remediation [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 8 listed. See them on the [Strobes Attack Surface Management page](https://cybersectools.com/tools/strobes-attack-surface-management#features). [Strobes Attack Surface Management alternatives](https://cybersectools.com/alternatives/strobes-attack-surface-management) · [Siemba EASM vs Strobes Attack Surface Management](https://cybersectools.com/compare/siemba-easm-vs-strobes-attack-surface-management) ### 3. [Cyber Exposure Manager](https://cybersectools.com/tools/galileo-security) Cyber Exposure Manager: continuous visibility and remediation for external risk [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [Cyber Exposure Manager page](https://cybersectools.com/tools/galileo-security#features). [Cyber Exposure Manager alternatives](https://cybersectools.com/alternatives/galileo-security) · [Siemba EASM vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-siemba-easm) ### 4. [CyberXTron ShadowSpot](https://cybersectools.com/tools/cyberxtron-shadowspot) External attack surface management platform for asset discovery and risk detection [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [CyberXTron ShadowSpot page](https://cybersectools.com/tools/cyberxtron-shadowspot#features). [CyberXTron ShadowSpot alternatives](https://cybersectools.com/alternatives/cyberxtron-shadowspot) · [Siemba EASM vs CyberXTron ShadowSpot](https://cybersectools.com/compare/cyberxtron-shadowspot-vs-siemba-easm) ### 5. [Detectify Surface Monitoring](https://cybersectools.com/tools/detectify-surface-monitoring) Monitors internet-facing subdomains for vulnerabilities and misconfigurations [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [Detectify Surface Monitoring page](https://cybersectools.com/tools/detectify-surface-monitoring#features). [Detectify Surface Monitoring alternatives](https://cybersectools.com/alternatives/detectify-surface-monitoring) · [Siemba EASM vs Detectify Surface Monitoring](https://cybersectools.com/compare/detectify-surface-monitoring-vs-siemba-easm) ### 6. [GoSecure Titan® Attack Surface Management](https://cybersectools.com/tools/gosecure-titanr-attack-surface-management) Discovers, monitors, and assesses external attack surface assets continuously. [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 7 listed. See them on the [GoSecure Titan® Attack Surface Management page](https://cybersectools.com/tools/gosecure-titanr-attack-surface-management#features). [GoSecure Titan® Attack Surface Management alternatives](https://cybersectools.com/alternatives/gosecure-titanr-attack-surface-management) · [Siemba EASM vs GoSecure Titan® Attack Surface Management](https://cybersectools.com/compare/gosecure-titanr-attack-surface-management-vs-siemba-easm) ### 7. [Trickest ASM - Attack Surface Management](https://cybersectools.com/tools/trickest-asm-attack-surface-management) Customizable ASM platform for asset discovery, monitoring, and enrichment [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [Trickest ASM - Attack Surface Management page](https://cybersectools.com/tools/trickest-asm-attack-surface-management#features). [Trickest ASM - Attack Surface Management alternatives](https://cybersectools.com/alternatives/trickest-asm-attack-surface-management) · [Siemba EASM vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/siemba-easm-vs-trickest-asm-attack-surface-management) ### 8. [Edgescan Attack Surface Management (ASM)](https://cybersectools.com/tools/edgescan-attack-surface-management-asm) External attack surface management platform for asset discovery and monitoring [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [Edgescan Attack Surface Management (ASM) page](https://cybersectools.com/tools/edgescan-attack-surface-management-asm#features). [Edgescan Attack Surface Management (ASM) alternatives](https://cybersectools.com/alternatives/edgescan-attack-surface-management-asm) · [Siemba EASM vs Edgescan Attack Surface Management (ASM)](https://cybersectools.com/compare/edgescan-attack-surface-management-asm-vs-siemba-easm) ## All 46 products like Siemba EASM The 8 above, plus: - [RiskProfiler - Attack Surface Management](https://cybersectools.com/tools/riskprofiler-attack-surface-management): AI-powered EASM platform for discovering and prioritizing external risks (Commercial) - [DNS Assistant](https://cybersectools.com/tools/dns-assistant): DNS posture mgmt platform for real-time DNS & WHOIS change monitoring. (Commercial) - [DarkInvader EASM Platform](https://cybersectools.com/tools/darkinvader-easm-platform) (Commercial) - [Driftnet Explore](https://cybersectools.com/tools/driftnet-explore): Internet-wide scanning platform for discovering exposed devices, services (Commercial) - [ImmuniWeb® Discovery](https://cybersectools.com/tools/immuniweb-discovery): 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. (Commercial) - [Palo Alto Networks Cortex Xpanse](https://cybersectools.com/tools/palo-alto-networks-cortex-xpanse): Active attack surface mgmt solution for discovering & remediating unknown risks (Commercial) - [Intruder Discover Attack Surface](https://cybersectools.com/tools/intruder-discover-attack-surface): Attack surface management platform for discovering and securing exposed assets (Commercial) - [MokN Lantern](https://cybersectools.com/tools/mokn-lantern): EASM platform for continuous external attack surface monitoring and detection (Commercial) - [Guardz External Footprint](https://cybersectools.com/tools/guardz-external-footprint): External attack surface monitoring with dark web intelligence and scanning (Commercial) - [Vulneri ASM](https://cybersectools.com/tools/vulneri-asm-attack-surface-management): ASM platform for continuous discovery and risk validation of internet-exposed assets. (Commercial) - [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm): ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks. (Commercial) - [SurfaceDiff](https://cybersectools.com/tools/surfacediff): Continuous external attack surface monitoring that shows what changed between scans. (Commercial) - [Attack Surface Scan](https://cybersectools.com/tools/attack-surface-scan): Agentless external attack surface monitoring with continuous change detection. (Commercial) - [MGM Security Partners recon me](https://cybersectools.com/tools/mgm-security-partners-recon-me) (Commercial) - [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery): Scans domains to discover attack surface, vulnerabilities, and generate hardening (Commercial) - [Outpost24 External Attack Surface Management](https://cybersectools.com/tools/outpost24-external-attack-surface-management): Cloud platform for continuous visibility & mgmt of external attack surfaces (Commercial) - [StrikeOne Attack Surfa](https://cybersectools.com/tools/strikeone-attack-surfa): AI-powered attack surface management platform for cybersecurity monitoring (Commercial) - [Hadrian Agentic AI](https://cybersectools.com/tools/hadrian-agentic-ai): AI-powered platform for continuous attack surface discovery and pentesting (Commercial) - [Microsoft Defender EASM](https://cybersectools.com/tools/microsoft-defender-external-attack-surface-management): Discovers and monitors external-facing assets and vulnerabilities (Commercial) - [Halo Security Attack Surface Management](https://cybersectools.com/tools/halo-security-attack-surface-management): External attack surface mgmt platform for discovering & monitoring assets (Commercial) - [Assetnote ASM](https://cybersectools.com/tools/assetnote-asm): External attack surface management platform with continuous asset discovery (Commercial) - [Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management): Internet intelligence platform for asset discovery and attack surface mapping (Commercial) - [Risksurface](https://cybersectools.com/tools/risksurface): SaaS platform for attack surface management and vulnerability detection (Commercial) - [QuimeraX External Attack Surface Management](https://cybersectools.com/tools/quimerax-external-attack-surface-management): EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities (Commercial) - [RiskXchange Attack Surface Management](https://cybersectools.com/tools/riskxchange-attack-surface-management): Attack surface management platform for monitoring vulnerabilities and breaches (Commercial) - [Zerofox External Attack Surface Management](https://cybersectools.com/tools/zerofox-external-attack-surface-management): Discovers and manages internet-facing assets with vulnerability prioritization (Commercial) - [Pentera Surface](https://cybersectools.com/tools/pentera-surface): External attack surface mgmt with automated pentesting and validation (Commercial) - [SOC Radar Attack Surface Management](https://cybersectools.com/tools/soc-radar-attack-surface-management): SOCRadar Attack Surface Management is an EASM platform that continuously discovers, monitors, and assesses internet-facing digital assets for vulnerabilities and security risks. (Commercial) - [Matos Automated Attack Surface Management](https://cybersectools.com/tools/cloudmatos-automated-attack-surface-management): Automated ASM tool for multi-cloud environments with continuous asset discovery (Commercial) - [Synack Attack Surface Discovery](https://cybersectools.com/tools/synack-attack-surface-discovery): External attack surface mgmt with asset discovery and on-demand pentesting (Commercial) - [Akamai DNS Posture Management](https://cybersectools.com/tools/akamai-dns-posture-management): DNS security posture management across multicloud and on-prem environments (Commercial) - [Anomali Attack Surface Management](https://cybersectools.com/tools/anomali-attack-surface-management): External attack surface management platform for asset discovery and vuln mgmt (Commercial) - [Axur Unified EASM + CTI](https://cybersectools.com/tools/axur-unified-easm-cti): EASM platform with integrated CTI for asset discovery and vulnerability mgmt (Commercial) - [Wallarm API Attack Surface Management](https://cybersectools.com/tools/wallarm-api-attack-surface-management): Agentless API attack surface discovery and vulnerability detection platform (Commercial) - [NetSPI External Attack Surface Management (EASM)](https://cybersectools.com/tools/netspi-external-attack-surface-management-easm): Continuous discovery, monitoring, and testing of external assets and exposures (Commercial) - [Orpheus External Attack Surface Management](https://cybersectools.com/tools/orpheus-external-attack-surface-management): EASM platform with continuous asset discovery and threat intelligence context (Commercial) - [Red Sift Radar](https://cybersectools.com/tools/red-sift-red-sift-radar): LLM-powered security platform for finding and fixing security gaps (Commercial) - [Criminal IP Security Scanning Service](https://cybersectools.com/tools/criminal-ip-security-scanning-service): Internet-connected asset search engine with vulnerability scanning capabilities (Commercial) ## Alternatives to each of these [ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) · [Strobes Attack Surface Management alternatives](https://cybersectools.com/alternatives/strobes-attack-surface-management) · [Cyber Exposure Manager alternatives](https://cybersectools.com/alternatives/galileo-security) · [CyberXTron ShadowSpot alternatives](https://cybersectools.com/alternatives/cyberxtron-shadowspot) · [Detectify Surface Monitoring alternatives](https://cybersectools.com/alternatives/detectify-surface-monitoring) · [GoSecure Titan® Attack Surface Management alternatives](https://cybersectools.com/alternatives/gosecure-titanr-attack-surface-management) · [Trickest ASM - Attack Surface Management alternatives](https://cybersectools.com/alternatives/trickest-asm-attack-surface-management) · [Edgescan Attack Surface Management (ASM) alternatives](https://cybersectools.com/alternatives/edgescan-attack-surface-management-asm) · [RiskProfiler - Attack Surface Management alternatives](https://cybersectools.com/alternatives/riskprofiler-attack-surface-management) · [DNS Assistant alternatives](https://cybersectools.com/alternatives/dns-assistant) · [DarkInvader EASM Platform alternatives](https://cybersectools.com/alternatives/darkinvader-easm-platform) · [Driftnet Explore alternatives](https://cybersectools.com/alternatives/driftnet-explore) ## Other Siemba products [Siemba AI-Driven CTEM alternatives](https://cybersectools.com/alternatives/siemba-ai-driven-ctem) · [Siemba AISO alternatives](https://cybersectools.com/alternatives/siemba-aiso) · [Siemba Continuous Threat Exposure Management alternatives](https://cybersectools.com/alternatives/siemba-continuous-threat-exposure-management) · [Siemba GenPT alternatives](https://cybersectools.com/alternatives/siemba-genpt) · [Siemba GenVA alternatives](https://cybersectools.com/alternatives/siemba-genva) ## Compare Siemba EASM with - [Siemba EASM vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-siemba-easm) - [Siemba EASM vs Strobes Attack Surface Management](https://cybersectools.com/compare/siemba-easm-vs-strobes-attack-surface-management) - [Siemba EASM vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-siemba-easm) - [Siemba EASM vs CyberXTron ShadowSpot](https://cybersectools.com/compare/cyberxtron-shadowspot-vs-siemba-easm) - [Siemba EASM vs Detectify Surface Monitoring](https://cybersectools.com/compare/detectify-surface-monitoring-vs-siemba-easm) - [Siemba EASM vs GoSecure Titan® Attack Surface Management](https://cybersectools.com/compare/gosecure-titanr-attack-surface-management-vs-siemba-easm) - [Siemba EASM vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/siemba-easm-vs-trickest-asm-attack-surface-management) - [Siemba EASM vs Edgescan Attack Surface Management (ASM)](https://cybersectools.com/compare/edgescan-attack-surface-management-asm-vs-siemba-easm) ## Siemba EASM Alternatives FAQ ### What are the closest alternatives to Siemba EASM? The closest matches to Siemba EASM by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, Strobes Attack Surface Management, Cyber Exposure Manager, CyberXTron ShadowSpot, and Detectify Surface Monitoring. All of them are External Attack Surface Management products. ### How many alternatives to Siemba EASM are available? This page shows 46 alternatives to Siemba EASM, 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. ### Is Siemba EASM free or commercial? Siemba EASM is a commercial External Attack Surface Management product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free. ### What type of solution is Siemba EASM? Siemba EASM is a External Attack Surface Management product in the Exposure & Vulnerability Management category. You can compare it with the 46 other External Attack Surface Management products on this page. --- Source: https://cybersectools.com/alternatives/siemba-easm For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Siemba EASM and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md