
Top picks: SOC Radar DNS Monitoring, ImmuniWeb® Discovery, Assetnote Attack Surface Management Tool — plus 45 more compared.
Attack SurfaceEvaluating Shodan alternatives comes down to matching Attack Surface capabilities to your environment, integrations, and budget rather than chasing feature parity. The options below are compared on what actually drives a switch: coverage, deployment fit, pricing, and real reviews from security teams. Independent and vendor-neutral: we never sell rankings.
Shodan is a free External Attack Surface Management tool. Security professionals most commonly compare it with SOC Radar DNS Monitoring, ImmuniWeb® Discovery, Assetnote Attack Surface Management Tool, Outpost24 External Attack Surface Management, and StrikeOne Attack Surfa. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to Shodan, including their key features and shared capabilities.
SOCRadar DNS Monitoring provides real-time monitoring of DNS infrastructure with automated discovery, record change alerts, and detection of DNS-based security threats.
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.
ASM platform that scans external attack surfaces hourly for vulnerabilities
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
SOCRadar DNS Monitoring provides real-time monitoring of DNS infrastructure with automated discovery, record change alerts, and detection of DNS-based security threats.
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.
ASM platform that scans external attack surfaces hourly for vulnerabilities
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 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
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
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
Passive asset discovery platform using Netflow data for attack surface mapping
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 management platform with dark web & brand monitoring capabilities
Attack surface discovery platform monitoring digital assets and data exposures
Agentless API attack surface discovery and vulnerability detection platform
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
Discovers and inventories internet-facing assets including subdomains, IPs, and apps.
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
LLM-powered security platform for finding and fixing security gaps
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
Attack surface asset classification and contextualization platform
External attack surface mgmt platform with remediation acceleration features
Common questions security professionals ask when evaluating alternatives and competitors to Shodan.
The most popular alternatives to Shodan include SOC Radar DNS Monitoring, ImmuniWeb® Discovery, Assetnote Attack Surface Management Tool, Outpost24 External Attack Surface Management, and StrikeOne Attack Surfa. These External Attack Surface Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
There are 48 alternatives to Shodan listed on CybersecTools, all within the External Attack Surface Management category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.
Shodan is a free External Attack Surface Management tool. You can use it at no cost. Both free and commercial alternatives are available for comparison.
Shodan is a External Attack Surface Management tool within the broader Attack Surface category. It is used by security professionals for external attack surface management capabilities and can be compared against 48 similar tools.