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ClosedHighNo fix needed

Cloudflare 'Thanksgiving 2023' intrusion with tokens left over from the Okta breach

Cloudflare internal Atlassian environment

A suspected nation-state attacker used one access token and three service account credentials stolen in the October Okta breach, which Cloudflare had failed to rotate, to get into Cloudflare's Atlassian Confluence, Jira and Bitbucket. Cloudflare said customer data and systems were not affected.

Why this severity: Nation-state intrusion using unrotated credentials

Started
Nov 14, 2023
Closed
Feb 1, 2024

Follow this incident

Affected

Not published yet

Fixed in

No fixed release yet

Updates by day3

▸Feb 1, 2024

Link #
  1. Cloudflare publishes its full write-up

    Source

▸Nov 23, 2023

Link #
  1. Cloudflare detects the attacker on its self-hosted Atlassian server

    Source

▸Nov 14, 2023

Link #
  1. Attacker begins reconnaissance with credentials from the Okta compromise

    Source
News & write-ups1

Notes & caveats

Related: okta-support-system-breach-2023.

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