Microsoft Is Finally Killing RC4
ID: 5167dfb4-6e8e-58bc-9d41-360aff9524ed
STIX ID: report--5167dfb4-6e8e-58bc-9d41-360aff9524ed
Feed Name: Schneier on Security
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Microsoft announced it is finally deprecating RC4 for Windows authentication after decades of use; RC4 fallback has been exploited via Kerberoasting and was implicated in the breach of health provider Ascension (disrupting 140 hospitals and exposing 5.6 million patient records), prompting regulatory scrutiny and the removal of the obsolete cipher.
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