The Mystery of 'Jia Tan,' the XZ Backdoor Mastermind WIREDAn “urgent” Linux backdoor was discovered entirely by accident this week. The VergeTechScape: How one man stopped a potentially massive cyber-attack – by accident The GuardianBackdoor found in widely used Linux utility targets encrypted SSH connections Ars TechnicaAre You Affected by the Backdoor in XZ Utils?