A Diamond in the Ruff

This blog post was co-authored with Charlie Clark at Semperis 1.1      Background of the ‘Diamond’ Attack One day, while browsing YouTube, we came across an older presentation from Blackhat 2015 by Tal Be’ery and Michael Cherny. In their talk, and subsequent brief, WATCHING THE WATCHDOG: PROTECTING KERBEROS AUTHENTICATION WITH NETWORK MONITORING, they outlined something we...

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