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Attributed metadata history

REPORTPUBLIC METADATA

Decreasing Certificate Lifetimes to 45 Days

Let’s Encrypt will be reducing the validity period of the certificates we issue. We currently issue certificates valid for 90 days, which will be cut in half to 45 days by 2028. This change is being made along with the rest of the industry, as required by the CA/Browser Forum Baseline Requirements, which set the technical requirements that we must follow. All publicly-trusted Certificate Authoriti

Reference details

Source category
Research & news
Report title
Decreasing Certificate Lifetimes to 45 Days
First reported
Dec 02, 2025 00:00 UTC
Last reported
Dec 02, 2025 00:00 UTC
Catalog updated
Oct 08, 2026 03:47 UTC
Record ID
ee6757ccc6095f8b2718ed0c67e048966d363b9c390bb3bb47d38724ee403512

Published indicators

Network indicators are visibly defanged. This page does not make them clickable or send them to another service.

No validated file hashes or network indicators are stored for this record.

Source observations

src_823f7b237762257237

Source-provided label
Not reported
Evidence class
mentioned in report
Confidence
Not reported
Observed
Dec 02, 2025 00:00 UTC
Retrieved
Oct 08, 2026 03:47 UTC

This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.

Feed collection status

Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.

1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.

Review source update dates and status
  • src_823f7b237762257237Collection status unverifiedLast successful batch: Unverified

Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.