Kaspersky Lab cybersecurity firm is hacked

>>> In the case of Kaspersky Lab, the attack took advantage of a zero-day (CVE-2015-2360) in the WindowsKernel, patched by Microsoft on June 9 2015 and possibly up to two other, currently patched vulnerabilities, which were zeroday at that time.

[0] https://securelist.com/files/2015/06/The_Mystery_of_Duqu_2_0...