The attackers clearly exhibit a deep and sophisticated knowledge of specific operational controls within the targeted banks, knowledge that may have been gained from malicious insiders or cyberattacks, or a combination of both,” Morey Haber, vice president of technology at the Phoenix-based BeyondTrust, said. “The hackers allegedly learned from internal resources what systems need to be attacked, whom to contact, and what vulnerabilities should be leveraged. The art of the hack then became a simple exploit to exercise due to the insider threat.