How many alternatives to Attack Surface Scan are available?

There are 48 alternatives to Attack Surface Scan 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.

Is Attack Surface Scan free or commercial?

Attack Surface Scan is a commercial External Attack Surface Management tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.

What type of tool is Attack Surface Scan?

Attack Surface Scan 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.

48 Best Attack Surface Scan Alternatives & Competitors (2026)

Top Attack Surface Scan Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to Attack Surface Scan, including their key features and shared capabilities.

crt.guru

Commercial

External Attack Surface Management

External TLS cert monitoring with expiry alerts, vuln scanning & compliance reports.

Key features: Multi-region external TLS scanning (Frankfurt, New York, Amsterdam), Certificate expiry alerts at 30, 14, 7, and 1 day intervals, Vulnerability scanning (Heartbleed, ROBOT, CCS Injection, weak ciphers), Certificate revocation detection, Certificate Transparency log monitoring for unauthorized issuance

Shares 5 capabilities with Attack Surface Scan: TLS, Security Reporting, SSL, Security Scanning +1 more

View crt.guru|crt.guru alternatives|Compare crt.guru

SurfaceDiff

Commercial

External Attack Surface Management

Continuous external attack surface monitoring that shows what changed between scans.

Key features: Domain baseline scan for publicly exposed assets, Subdomain discovery, DNS record enumeration, Open port scanning, TLS configuration inspection

Shares 5 capabilities with Attack Surface Scan: TLS, Security Scanning, DNS Security, Subdomain Enumeration +1 more

View SurfaceDiff|SurfaceDiff alternatives|Compare SurfaceDiff

Guardz External Footprint

Commercial

External Attack Surface Management

External attack surface monitoring with dark web intelligence and scanning

Key features: External service scanning for open ports and public exposures, DNS email record monitoring for SPF, DKIM, and DMARC, TLS/SSL certificate monitoring, Dark web monitoring for leaked credentials, Compromised data detection

Shares 3 capabilities with Attack Surface Scan: TLS, SSL, DNS Security

View Guardz External Footprint|Guardz External Footprint alternatives|Compare Guardz External Footprint

Muscope|Risk - Attack Perimeter

Commercial

External Attack Surface Management

Maps external attack surface including assets, dark web exposure, and leaks.

Key features: Domain-based asset discovery covering websites, IPs, mail servers, DNS servers, networks, and ASNs, Open port and exposed service identification for discovered IPs, Website technology fingerprinting including applications, JavaScript libraries, and certificate security analysis, Mail server security assessment including DMARC and SPF configuration analysis, DNS server security analysis including zone transfer vulnerability detection

Shares 3 capabilities with Attack Surface Scan: DNS Security, DMARC, SPF

crt.sh

Free

External Attack Surface Management

Bash script for subdomain enumeration via crt.sh certificate transparency logs.

Key features: Subdomain enumeration via certificate transparency logs, Automated querying of crt.sh website, Parsing and filtering of crt.sh output, Saving enumerated subdomains to output files, Command-line interface for domain reconnaissance

Shares 4 capabilities with Attack Surface Scan: SSL, Security Scanning, DNS Security, Subdomain Enumeration

View crt.sh|crt.sh alternatives|Compare crt.sh

SOC Radar Attack Surface Management

Commercial

External 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.

View SOC Radar Attack Surface Management|SOC Radar Attack Surface Management alternatives|Compare SOC Radar Attack Surface Management

Detectify Platform

Commercial

External Attack Surface Management

Platform for external attack surface management and application security testing

Key features: Automatic external attack surface discovery and mapping, Continuous monitoring for DNS misconfigurations and subdomain takeovers, API discovery and dynamic API security testing, Authenticated application scanning with crawling and fuzzing, Custom security policy enforcement across attack surface

View Detectify Platform|Detectify Platform alternatives|Compare Detectify Platform

Detectify Surface Monitoring

Commercial

External Attack Surface Management

Monitors internet-facing subdomains for vulnerabilities and misconfigurations

Key features: Automatic subdomain discovery and monitoring, Continuous vulnerability scanning, Payload-based security testing, Technology fingerprinting, Subdomain takeover detection

View Detectify Surface Monitoring|Detectify Surface Monitoring alternatives|Compare Detectify Surface Monitoring

The most popular alternatives to Attack Surface Scan include crt.guru, SurfaceDiff, Guardz External Footprint, Muscope|Risk - Attack Perimeter, and crt.sh. These External Attack Surface Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

Best Attack Surface Scan Alternatives & Competitors in 2026

Attack Surface Scan Alternatives and Competitors

Top Attack Surface Scan Alternatives and Competitors at a Glance

All 48 Alternatives & Competitors to Attack Surface Scan

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