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Attributed metadata history

REPORTPUBLIC METADATA

Introducing Oak, a Free and Open Certificate Transparency Log

Update: Feb. 5 2020 The Let’s Encrypt CT logs are now included in approved log lists and are usable by all publicly-trusted certificate authorities. Today we are announcing a new Certificate Transparency log called Oak. The Oak log will be operated by Let’s Encrypt and all publicly trusted certificate authorities will be welcome to submit certificates. Sectigo generously provided funding to cover

Reference details

Source category
Research & news
Report title
Introducing Oak, a Free and Open Certificate Transparency Log
First reported
May 15, 2019 00:00 UTC
Last reported
May 15, 2019 00:00 UTC
Catalog updated
Oct 08, 2026 03:47 UTC
Record ID
d963485fead6d3b7480bf3ba505e418594ce7c08efa7b5a89b7c8a2e7dc69a51

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
May 15, 2019 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.