The product
A search engine for the Internet of Things (IoT) that discovers and monitors devices connected to the internet.
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
Shodan alternatives and competitors
Shodan is a free External Attack Surface Management solution. The closest matches by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, SOC Radar DNS Monitoring, Outpost24 External Attack Surface Management, StrikeOne Attack Surfa, and Hadrian Agentic AI. All 48 alternatives on this page are ranked the same way.
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Want a free option? See free and open source exposure & vulnerability management solutions, plus free picks in other categories→ Free and open source solutions
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VisitThe closest Shodan alternatives
These 8 solutions overlap most with Shodan. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
- 1
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
External Attack Surface ManagementCommercialKey features: Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API, Wildcard & Fingerprint Matching, SSL/TLS Certificate History Tracking
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The closest 48 products like Shodan
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
SOCRadar DNS Monitoring provides real-time monitoring of DNS infrastructure with automated discovery, record change alerts, and detection of DNS-based security threats.
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 mgmt platform with vuln scanning and cloud security features
Attack surface management platform for monitoring vulnerabilities and breaches
Discovers and monitors external internet assets for exposures and vulnerabilities
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
Internet intelligence platform for asset discovery and threat analysis
AI-driven internet scanning platform for asset discovery and threat hunting
DNS security posture management across multicloud and on-prem environments
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
Attack surface discovery platform monitoring digital assets and data exposures
Platform for external attack surface management and application security testing
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
Discovers, monitors, and assesses external attack surface assets continuously.
External attack surface management platform for asset discovery and monitoring
Continuous discovery, monitoring, and testing of external assets and exposures
External attack surface management with continuous security testing
EASM platform with continuous asset discovery and threat intelligence context
Customizable ASM platform for asset discovery, monitoring, and enrichment
Internet-connected asset search engine with vulnerability scanning capabilities
Attack surface management platform for discovering and securing exposed assets
EASM platform that discovers, attributes, and actively validates external assets and risks
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
EASM platform for continuous external attack surface monitoring and detection
Platform for continuous attack surface discovery, monitoring, and remediation
Continuously maps digital footprint, identifies exposures & validates exploitability
External attack surface management platform with AI-powered risk assessment
Alternatives to each of these
ctlogs.dev alternativesSOC Radar DNS Monitoring alternativesOutpost24 External Attack Surface Management alternativesStrikeOne Attack Surfa alternativesHadrian Agentic AI alternativesMicrosoft Defender EASM alternativesHalo Security Attack Surface Management alternativesAssetnote ASM alternativesCensys Attack Surface Management alternativesRisksurface alternativesQuimeraX External Attack Surface Management alternativesIntruder Attack Surface Management alternatives
Compare Shodan with
Shodan Alternatives FAQ
Common questions when weighing alternatives to Shodan.
The closest matches to Shodan by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, SOC Radar DNS Monitoring, Outpost24 External Attack Surface Management, StrikeOne Attack Surfa, and Hadrian Agentic AI. All of them are External Attack Surface Management products.
This page shows 48 alternatives to Shodan, 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.
Shodan 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.
Shodan 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.
