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January 25, 2023 3:47AM
Several Cloudflare services became unavailable for 121 minutes on January 24th, 2023 due to an error releasing code that manages service tokens. The incident degraded a wide range of Cloudflare products...
October 26, 2022 4:02AM
Outage Post MortemToday, a change to our Tiered Cache system caused some requests to fail for users with status code 530...
August 09, 2022 4:56PM
Security Post Mortem Phishing Cloudflare Gateway Cloudflare AccessYesterday, August 8, 2022, Twilio shared that they’d been compromised by a targeted phishing attack. Around the same time as Twilio was attacked, we saw an attack with very similar characteristics also targeting Cloudflare’s employees...
June 21, 2022 1:38PM
Outage Post MortemToday, June 21, 2022, Cloudflare suffered an outage that affected traffic in 19 of our data centers...
April 05, 2022 1:57PM
Post Mortem Outage Deep Dive Speed & ReliabilityThis post tells the story of how a missing shell option called “pipefail” slowed Cloudflare down....
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March 22, 2022 4:57PM
Today at 03:30 UTC we learnt of a compromise of Okta. We use Okta internally for employee identity as part of our authentication stack. We have investigated this compromise carefully and do not believe we have been compromised as a result...
