crt.sh vs Sectigo eIDAS Qualified Certificates: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
crt.sh is a free external attack surface management tool. Sectigo eIDAS Qualified Certificates is a commercial certificate lifecycle management tool by Sectigo. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictShort answer
Security teams doing threat intelligence or domain monitoring should use crt.sh as a free, fast way to spot certificate issuance anomalies that signal domain takeover or phishing campaigns before they scale. Certificate Transparency logs index roughly 15 billion certificates, giving you real-time visibility into what's been legitimately issued against your domains and competitors' infrastructure. Skip this if you need automated alerting or integration into your SIEM; crt.sh is a lookup tool, not a monitoring platform, and catching malicious certificates requires manual checks or custom scripting. Organizations in EU-regulated industries needing legally binding digital signatures and seals will find Sectigo eIDAS Qualified Certificates essential; the vendor's 1-5 business day validation and USB token delivery mean you can issue compliant signatures without rebuilding your entire PKI stack. The tool covers both individual qualified electronic signatures and organization seals with PSD2 support, addressing the two most common regulatory mandates across finance and public sector. Skip this if your buyers are outside the EU or your use case doesn't require eIDAS-level legal weight; domestic qualified certificates or basic code signing will cost less and deploy faster.
