The Mystery of ‘Jia Tan,’ the XZ Backdoor Mastermind

The thwarted XZ Utils supply chain attack was years in the making. Now, clues suggest nation-state hackers were behind the persona that inserted the malicious code.

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Author: dasuberworm

Standing just over 2 meters and hailing from о́стров Ратма́нова, Dasuberworm is a professional cryptologist, entrepreneur and cage fighter. When he's not breaking cyphers and punching people in the face, Das enjoys receiving ominous DHL packages at one of his many drop sites in SE Asia.

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