Inside the Unnerving Supply Chain Attack That Corrupted CCleaner

Published: April 19, 2018, 4:32 p.m.

In September, security researchers at Cisco Talos and Morphisec made a worst nightmare-type disclosure: the ubiquitous computer cleanup tool CCleaner had been compromised by hackers for more than a month. The software updates users were downloading from CCleaner owner Avast\u2014a security company itself\u2014had been tainted with a malware backdoor.