SSL Toolkit Logo
Tools Features Compare FAQ Login

Certificate Authority Reputation Checker

Check the reputation and trustworthiness of Certificate Authorities

CA Reputation

About

The Certificate Authority Reputation tool provides detailed reputation profiles for Certificate Authorities, including trust status, security history, incident reports, and industry rankings. It helps you evaluate CAs before choosing them for your certificate needs and monitors CAs you already use for trust changes.

The reputation data is compiled from browser trust store changes, CA/Browser Forum discussions, security researcher reports, and public incident disclosures. Each CA profile includes a trust score, historical incidents, and recommendations.

How to Use

  1. 1Browse the CA list or search for a specific Certificate Authority
  2. 2Click on a CA name to view its full reputation profile
  3. 3Review the trust status, incident history, and security rating
  4. 4Compare multiple CAs to make informed selection decisions

Use Cases

Tips & Best Practices

  • •Check CA reputation before committing to long-term certificate contracts
  • •Subscribe to reputation change alerts for CAs you actively use
  • •Consider using multiple CAs for critical infrastructure to reduce single-CA risk
  • •Review CA incident response history — how they handle issues matters as much as the issues themselves

Technical Details

●Data Sources:** Browser trust stores, CA/B Forum minutes, security researcher reports, incident disclosures
●Scoring:** Weighted reputation based on trust history (40%), incidents (25%), compliance (20%), industry standing (15%)
●Updates:** Real-time for trust changes, weekly for reputation scores, monthly for full profiles
●History:** Complete incident database going back to 2012

Frequently Asked Questions

Trustworthy CAs have: consistent trust store presence across all major platforms, no history of security incidents or mis-issuance, compliance with CA/Browser Forum Baseline Requirements, transparent incident disclosure and response, and strong industry reputation among security professionals.
The reputation profile is updated with incident details, impact assessment, and remediation status. Users monitoring that CA receive alerts. If the incident leads to distrust by browser vendors, the profile reflects the trust status change and affected certificate ranges.
Yes, the comparison view shows trust status, incident history, supported features, and reputation scores for multiple CAs simultaneously. This helps you make informed decisions when selecting a CA or evaluating alternatives.

Related Tools

CA Trust CA Trust Store CA Reputation DB Issuer Identifier Certificate Detail SSL Report