The product
by Siemba
AI-driven EASM platform for discovering and monitoring external-facing assets
The closest Siemba EASM alternatives are ctlogs.dev, Strobes Attack Surface Management and Cyber Exposure Manager. 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 alternativesClosest matches: ctlogs.dev, Strobes Attack Surface Management, Cyber Exposure ManagerPage updated Nov 2026
The product
by Siemba
AI-driven EASM platform for discovering and monitoring external-facing assets
Siemba EASM is a commercial External Attack Surface Management solution made by Siemba. The closest matches 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 46 alternatives on this page are ranked the same way.
These 8 solutions overlap most with Siemba EASM. 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
View ctlogs.devctlogs.dev alternativesSiemba EASM vs ctlogs.dev
Platform for continuous attack surface discovery, monitoring, and remediation
Key features: 8 listed. See them on the Strobes Attack Surface Management page.
View Strobes Attack Surface ManagementStrobes Attack Surface Management alternativesSiemba EASM vs Strobes Attack Surface Management
Cyber Exposure Manager: continuous visibility and remediation for external risk
Key features: 10 listed. See them on the Cyber Exposure Manager page.
View Cyber Exposure ManagerCyber Exposure Manager alternativesSiemba EASM vs Cyber Exposure Manager
External attack surface management platform for asset discovery and risk detection
Key features: 10 listed. See them on the CyberXTron ShadowSpot page.
View CyberXTron ShadowSpotCyberXTron ShadowSpot alternativesSiemba EASM vs CyberXTron ShadowSpot
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
Key features: 10 listed. See them on the Detectify Surface Monitoring page.
View Detectify Surface MonitoringDetectify Surface Monitoring alternativesSiemba EASM vs Detectify Surface Monitoring
Discovers, monitors, and assesses external attack surface assets continuously.
Key features: 7 listed. See them on the GoSecure Titan® Attack Surface Management page.
View GoSecure Titan® Attack Surface ManagementGoSecure Titan® Attack Surface Management alternativesSiemba EASM vs GoSecure Titan® Attack Surface Management
Customizable ASM platform for asset discovery, monitoring, and enrichment
Key features: 10 listed. See them on the Trickest ASM - Attack Surface Management page.
View Trickest ASM - Attack Surface ManagementTrickest ASM - Attack Surface Management alternativesSiemba EASM vs Trickest ASM - Attack Surface Management
External attack surface management platform for asset discovery and monitoring
Key features: 10 listed. See them on the Edgescan Attack Surface Management (ASM) page.
View Edgescan Attack Surface Management (ASM)Edgescan Attack Surface Management (ASM) alternativesSiemba EASM vs Edgescan Attack Surface Management (ASM)
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
Platform for continuous attack surface discovery, monitoring, and remediation
Cyber Exposure Manager: continuous visibility and remediation for external risk
External attack surface management platform for asset discovery and risk detection
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
Discovers, monitors, and assesses external attack surface assets continuously.
Customizable ASM platform for asset discovery, monitoring, and enrichment
External attack surface management platform for asset discovery and monitoring
AI-powered EASM platform for discovering and prioritizing external risks
DNS posture mgmt platform for real-time DNS & WHOIS change monitoring.
Internet-wide scanning platform for discovering exposed devices, services
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.
Active attack surface mgmt solution for discovering & remediating unknown risks
Attack surface management platform for discovering and securing exposed assets
EASM platform for continuous external attack surface monitoring and detection
External attack surface monitoring with dark web intelligence and scanning
ASM platform for continuous discovery and risk validation of internet-exposed assets.
ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks.
Continuous external attack surface monitoring that shows what changed between scans.
Agentless external attack surface monitoring with continuous change detection.
Scans domains to discover attack surface, vulnerabilities, and generate hardening
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
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
Attack surface management platform for monitoring vulnerabilities and breaches
Discovers and manages internet-facing assets with vulnerability prioritization
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
DNS security posture management across multicloud and on-prem environments
External attack surface management platform for asset discovery and vuln mgmt
EASM platform with integrated CTI for asset discovery and vulnerability mgmt
Agentless API attack surface discovery and vulnerability detection platform
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
Internet-connected asset search engine with vulnerability scanning capabilities
Common questions when weighing 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.
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.
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.
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.
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
