# Sudomy alternatives and competitors (2026) The closest Sudomy alternatives are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Searchlight Exposure](https://cybersectools.com/tools/assetnote-attack-surface-management-tool) and [Ceeyu Digital Footprint Monitoring](https://cybersectools.com/tools/ceeyu-digital-footprint-monitoring). Picking a Sudomy 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. Closest 48 alternatives shown. Closest matches: ctlogs.dev, Searchlight Exposure, Ceeyu Digital Footprint Monitoring. ## The product [Sudomy](https://cybersectools.com/tools/sudomy) A subdomain enumeration tool for bug hunting and pentesting Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · Pricing model: Free 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. ## Sudomy alternatives and competitors Sudomy is a free [External Attack Surface Management](https://cybersectools.com/categories/external-asm) solution. The closest matches by shared tags and NIST CSF 2.0 coverage are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Searchlight Exposure](https://cybersectools.com/tools/assetnote-attack-surface-management-tool), [Ceeyu Digital Footprint Monitoring](https://cybersectools.com/tools/ceeyu-digital-footprint-monitoring), [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm), and [Sn1per Professional 2026](https://cybersectools.com/tools/sn1per-professional-2026). All 48 alternatives on this page are ranked the same way. Want a free option? See [free and open source exposure & vulnerability management solutions](https://cybersectools.com/free), plus free picks in other categories. ## The closest Sudomy alternatives These 8 solutions overlap most with Sudomy. 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) · [Sudomy vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-sudomy) ### 2. [Searchlight Exposure](https://cybersectools.com/tools/assetnote-attack-surface-management-tool) ASM platform that scans external attack surfaces hourly for vulnerabilities [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [Searchlight Exposure page](https://cybersectools.com/tools/assetnote-attack-surface-management-tool#features). [Searchlight Exposure alternatives](https://cybersectools.com/alternatives/assetnote-attack-surface-management-tool) · [Sudomy vs Searchlight Exposure](https://cybersectools.com/compare/assetnote-attack-surface-management-tool-vs-sudomy) ### 3. [Ceeyu Digital Footprint Monitoring](https://cybersectools.com/tools/ceeyu-digital-footprint-monitoring) Automated digital asset discovery and monitoring for external attack surface [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [Ceeyu Digital Footprint Monitoring page](https://cybersectools.com/tools/ceeyu-digital-footprint-monitoring#features). [Ceeyu Digital Footprint Monitoring alternatives](https://cybersectools.com/alternatives/ceeyu-digital-footprint-monitoring) · [Sudomy vs Ceeyu Digital Footprint Monitoring](https://cybersectools.com/compare/ceeyu-digital-footprint-monitoring-vs-sudomy) ### 4. [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm) ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks. [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [ThreatDefence Integrated ASM page](https://cybersectools.com/tools/threatdefence-integrated-asm#features). [ThreatDefence Integrated ASM alternatives](https://cybersectools.com/alternatives/threatdefence-integrated-asm) · [Sudomy vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/sudomy-vs-threatdefence-integrated-asm) ### 5. [Sn1per Professional 2026](https://cybersectools.com/tools/sn1per-professional-2026) Sn1per Professional 2026: automated penetration testing & attack surface management [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [Sn1per Professional 2026 page](https://cybersectools.com/tools/sn1per-professional-2026#features). [Sn1per Professional 2026 alternatives](https://cybersectools.com/alternatives/sn1per-professional-2026) · [Sudomy vs Sn1per Professional 2026](https://cybersectools.com/compare/sn1per-professional-2026-vs-sudomy) ### 6. [TRaViS](https://cybersectools.com/tools/travis) AI-enhanced EASM platform for external attack surface discovery and monitoring. [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 10 listed. See them on the [TRaViS page](https://cybersectools.com/tools/travis#features). [TRaViS alternatives](https://cybersectools.com/alternatives/travis) · [Sudomy vs TRaViS](https://cybersectools.com/compare/sudomy-vs-travis) ### 7. [Domain Beacon](https://cybersectools.com/tools/domain-beacon) Provide intelligence about a domain [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 6 listed. See them on the [Domain Beacon page](https://cybersectools.com/tools/domain-beacon#features). [Domain Beacon alternatives](https://cybersectools.com/alternatives/domain-beacon) · [Sudomy vs Domain Beacon](https://cybersectools.com/compare/domain-beacon-vs-sudomy) ### 8. [ArmorPoint Attack Surface Management](https://cybersectools.com/tools/armorpoint-attack-surface-management) Continuous, agentless discovery and threat-intel enrichment of external internet-facing [External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial Key features: 9 listed. See them on the [ArmorPoint Attack Surface Management page](https://cybersectools.com/tools/armorpoint-attack-surface-management#features). [ArmorPoint Attack Surface Management alternatives](https://cybersectools.com/alternatives/armorpoint-attack-surface-management) · [Sudomy vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-sudomy) ## The closest 48 products like Sudomy The 8 above, plus: - [FalconTech Threat Hunter](https://cybersectools.com/tools/falcontech-threat-hunter) (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) - [Detectify Platform](https://cybersectools.com/tools/detectify-platform): Platform for external attack surface management and application security testing (Commercial) - [Detectify Surface Monitoring](https://cybersectools.com/tools/detectify-surface-monitoring): Monitors internet-facing subdomains for vulnerabilities and misconfigurations (Commercial) - [Halo Security Attack Surface Discovery](https://cybersectools.com/tools/halo-security-attack-surface-discovery): Discovers and inventories internet-facing assets including subdomains, IPs, and apps. (Commercial) - [Intruder Discover Attack Surface](https://cybersectools.com/tools/intruder-discover-attack-surface): Attack surface management platform for discovering and securing exposed assets (Commercial) - [Cylana EASM](https://cybersectools.com/tools/cylana-easm): AI-powered EASM platform for digital asset discovery and monitoring. (Commercial) - [Assetnote Exposure Engine](https://cybersectools.com/tools/assetnote-exposure-engine): Continuous exposure detection & verification engine for attack surface mgmt. (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) - [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) - [CloudSEK Attack Surface Management](https://cybersectools.com/tools/cloudsek-attack-surface-management): External attack surface management platform for discovering digital assets (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) - [ThingsRecon Supply Chain Intelligence](https://cybersectools.com/tools/thingsrecon-supply-chain-intelligence): Supply chain intelligence platform mapping digital ecosystems & proximity risks (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) - [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) - [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) - [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) - [Censys Internet Intelligence Platform](https://cybersectools.com/tools/censys-internet-intelligence-platform): Internet intelligence platform for asset discovery and threat analysis (Commercial) - [Team Cymru RADAR](https://cybersectools.com/tools/team-cymru-radar): Passive asset discovery platform using Netflow data for attack surface mapping (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) - [Siemba EASM](https://cybersectools.com/tools/siemba-easm): AI-driven EASM platform for discovering and monitoring external-facing assets (Commercial) - [CyberXTron ShadowSpot](https://cybersectools.com/tools/cyberxtron-shadowspot): External attack surface management platform for asset discovery and risk detection (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) - [Cytrusst: Attack Surface Management (ASM)](https://cybersectools.com/tools/cytrusst-cyber-attack-surface-management): Cytrusst ASM is an attack surface management product that helps discover an organization's (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) - [GoSecure Titan® Attack Surface Management](https://cybersectools.com/tools/gosecure-titanr-attack-surface-management): Discovers, monitors, and assesses external attack surface assets continuously. (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) ## Alternatives to each of these [ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) · [Searchlight Exposure alternatives](https://cybersectools.com/alternatives/assetnote-attack-surface-management-tool) · [Ceeyu Digital Footprint Monitoring alternatives](https://cybersectools.com/alternatives/ceeyu-digital-footprint-monitoring) · [ThreatDefence Integrated ASM alternatives](https://cybersectools.com/alternatives/threatdefence-integrated-asm) · [Sn1per Professional 2026 alternatives](https://cybersectools.com/alternatives/sn1per-professional-2026) · [TRaViS alternatives](https://cybersectools.com/alternatives/travis) · [Domain Beacon alternatives](https://cybersectools.com/alternatives/domain-beacon) · [ArmorPoint Attack Surface Management alternatives](https://cybersectools.com/alternatives/armorpoint-attack-surface-management) · [FalconTech Threat Hunter alternatives](https://cybersectools.com/alternatives/falcontech-threat-hunter) · [MGM Security Partners recon me alternatives](https://cybersectools.com/alternatives/mgm-security-partners-recon-me) · [DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery) · [Detectify Platform alternatives](https://cybersectools.com/alternatives/detectify-platform) ## Compare Sudomy with - [Sudomy vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-sudomy) - [Sudomy vs Searchlight Exposure](https://cybersectools.com/compare/assetnote-attack-surface-management-tool-vs-sudomy) - [Sudomy vs Ceeyu Digital Footprint Monitoring](https://cybersectools.com/compare/ceeyu-digital-footprint-monitoring-vs-sudomy) - [Sudomy vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/sudomy-vs-threatdefence-integrated-asm) - [Sudomy vs Sn1per Professional 2026](https://cybersectools.com/compare/sn1per-professional-2026-vs-sudomy) - [Sudomy vs TRaViS](https://cybersectools.com/compare/sudomy-vs-travis) - [Sudomy vs Domain Beacon](https://cybersectools.com/compare/domain-beacon-vs-sudomy) - [Sudomy vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-sudomy) ## Sudomy Alternatives FAQ ### What are the closest alternatives to Sudomy? The closest matches to Sudomy by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, Searchlight Exposure, Ceeyu Digital Footprint Monitoring, ThreatDefence Integrated ASM, and Sn1per Professional 2026. All of them are External Attack Surface Management products. ### How many alternatives to Sudomy are available? This page shows 48 alternatives to Sudomy, 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 Sudomy free or commercial? Sudomy 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. ### What type of solution is Sudomy? Sudomy is a External Attack Surface Management product in the Exposure & Vulnerability Management category. You can compare it with the 48 other External Attack Surface Management products on this page. --- Source: https://cybersectools.com/alternatives/sudomy 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 Sudomy 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