The product
Second-order subdomain takeover scanner
The closest second-order alternatives are CyberChecker, Domain Verity and Sucuri Website Malware Scanner. Picking a second-order alternative comes down to fit: Security Scanning 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.
9 alternativesClosest matches: CyberChecker, Domain Verity, Sucuri Website Malware ScannerPage updated Nov 2026
The product
Second-order subdomain takeover scanner
second-order is a free Security Scanning solution. The closest matches by shared tags and NIST CSF 2.0 coverage are CyberChecker, Domain Verity, Sucuri Website Malware Scanner, Jsmon 2.0, and RoboShadow OWASP ZAP Vulnerability Scanner. All 9 alternatives on this page are ranked the same way.
These 8 solutions overlap most with second-order. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Automated web vulnerability scanner with 60+ security checks
View CyberCheckerCyberChecker alternativessecond-order vs CyberChecker
Monitors domains for TLS, email auth, DNS, and cert misconfigurations.
Key features: 10 listed. See them on the Domain Verity page.
View Domain VerityDomain Verity alternativessecond-order vs Domain Verity
Website malware scanner with remote & server-side scanning capabilities
Key features: 10 listed. See them on the Sucuri Website Malware Scanner page.
View Sucuri Website Malware ScannerSucuri Website Malware Scanner alternativessecond-order vs Sucuri Website Malware Scanner
JavaScript security scanner for detecting vulnerabilities in third-party scripts
Key features: 10 listed. See them on the Jsmon 2.0 page.
View Jsmon 2.0Jsmon 2.0 alternativessecond-order vs Jsmon 2.0
Web app & network vulnerability scanner integrating OWASP ZAP, Shodan & Nmap
Key features: 10 listed. See them on the RoboShadow OWASP ZAP Vulnerability Scanner page.
View RoboShadow OWASP ZAP Vulnerability ScannerRoboShadow OWASP ZAP Vulnerability Scanner alternativessecond-order vs RoboShadow OWASP ZAP Vulnerability Scanner
Detects end-of-life and outdated software in code and containers
Key features: 8 listed. See them on the Aikido EOL Scanner page.
View Aikido EOL ScannerAikido EOL Scanner alternativessecond-order vs Aikido EOL Scanner
XSS vulnerability scanner for web apps and APIs with automated scanning
Key features: 10 listed. See them on the Intruder XSS Scanner page.
View Intruder XSS ScannerIntruder XSS Scanner alternativessecond-order vs Intruder XSS Scanner
Automated active security testing platform for external attack surfaces
Key features: 10 listed. See them on the CyCognito Active Security Testing page.
View CyCognito Active Security TestingCyCognito Active Security Testing alternativessecond-order vs CyCognito Active Security Testing
Monitors domains for TLS, email auth, DNS, and cert misconfigurations.
Website malware scanner with remote & server-side scanning capabilities
JavaScript security scanner for detecting vulnerabilities in third-party scripts
Web app & network vulnerability scanner integrating OWASP ZAP, Shodan & Nmap
XSS vulnerability scanner for web apps and APIs with automated scanning
Automated active security testing platform for external attack surfaces
REST API service for scanning files/URLs for malware, viruses & NSFW content.
Common questions when weighing alternatives to second-order.
The closest matches to second-order by shared tags and NIST CSF 2.0 coverage are CyberChecker, Domain Verity, Sucuri Website Malware Scanner, Jsmon 2.0, and RoboShadow OWASP ZAP Vulnerability Scanner. All of them are Security Scanning products.
This page shows 9 alternatives to second-order, all in the Security Scanning category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
second-order is a free Security Scanning product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.
second-order is a Security Scanning product in the Exposure & Vulnerability Management category. You can compare it with the 9 other Security Scanning products on this page.
No Security Scanning shortlist yet. This is the closest one.
Updated 2026-11-01
See the shortlist
