Yhn first seen 18 h ago, last 1 h ago, peak #23
Researcher shows how to manipulate timestamps in C2PA content credentials
Original: How to hack time, with C2PA
Security researcher David Buchanan, known online as Retr0id, has published a blog post describing how to hack time within C2PA, the content-credentials standard used to cryptographically attest when and how media was created. The write-up details weaknesses that let signed provenance metadata carry misleading timestamps, raising fresh doubts about the standard's reliability for verifying authentic photos and videos.
Why now: C2PA content credentials are being widely adopted by camera makers and platforms, so a demonstrated method of forging timestamps strikes at the heart of media-verification efforts.
Rank over time, top of the chart is #1. 54 snapshots from 18 h ago to 1 h ago.
Evidence
- How to hack time, with C2PA · Retr0id · 51
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