Cert Spotter vs ThreatDefence Integrated ASM: side-by-side comparison (2026)
Cert Spotter is a free external attack surface management solution. ThreatDefence Integrated ASM is a commercial external attack surface management solution by ThreatDefence. Features, integrations, deployment and the company behind each one, side by side.
A Certificate Transparency log monitor that alerts users when SSL/TLS certificates are issued for their domains, helping detect unauthorized certificate issuance and potential security threats.
ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks.
Side-by-side comparison
Feature
Cert Spotter
ThreatDefence Integrated ASM
Pricing model
Free
Commercial
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
Hybrid
Cloud
Company size fit
Startup, SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Open source
GitHub stars
1,132
–
Last commit
Jan 2026
–
Company
Company
–
ThreatDefence
Use cases and capabilities
TLS
Yes
No
SSL
Yes
Yes
Alerting
Yes
No
Dark Web Monitoring
No
Yes
Vulnerability
No
Yes
DNS Security
No
Yes
Digital Risk Protection
No
Yes
Third Party Security
No
Yes
IoT Security
No
Yes
Subdomain Enumeration
No
Yes
Misconfiguration
No
Yes
Core features
No features listed
10 features listed
Integrations
No integrations listed
1 integration listed
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