Unverified50% confidenceFactExact time
Certificate Transparency is a public certificate issuance logging system promoted by Google in 2013 to prevent CAs from erroneously or maliciously issuing certificates.
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAll publicly trusted CAs must submit certificate information to at least one CT log when issuing a certificate, so when a new website applies for an SSL certificate, its domain information appears in the public log.66% similarUnverifiedThe C2PA (Coalition for Content Provenance and Authenticity) standard, jointly promoted by companies including Adobe, Microsoft, and Intel, records the creation and editing history of content by embedding cryptographic signatures in image metadata.62% similarUnverifiedSince Android 7.0, the system no longer trusts CA certificates installed by users by default.62% similarUnverifiedThe industry has developed image signature verification solutions such as cosign (part of the Sigstore project) and Docker Content Trust (based on the Notary protocol) to ensure images have not been tampered with.62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/894332API
curl https://kongchang.com/api/v1/knowledge/claims/894332MCP
get_claim(id=894332)