Who was affected?Even government departments such as Homeland Security, State, Commerce and Treasury were affected, as there was evidence that emails were missing from their systems.Private companies such as FireEye, Microsoft, Intel, Cisco and Deloitte also suffered from this attack.The breach was first detected by cybersecurity company FireEye.According to reports, the malware affected many companies and organizations.The company confirmed they had been infected with the malware when they saw the infection in customer systems.