Kaspersky Lab’s revelation yesterday that it had been hacked by a nation-state apparently hungry for intelligence on its research and newest technologies. No other security vendors so far have come forward reporting a Duqu 2.0 infection. Symantec, FireEye, Trend Micro and Trend Micro all told Dark Reading they were not attacked by the so-called Duqu.0 campaign. Security experts say because of the way the malware operates, the attackers can do this themselves to cover their tracks — how can anyone be sure they aren’t victims?”]
Source: https://www.darkreading.com/attacks-breaches/4-unsolved-mysteries-about-duqu-2-0