The SEC and the U.S. Secret Service are reportedly separately investigating a group of hackers called FIN4. In December 2014, cybersecurity firm FireEye Inc. released a report stating that FIN4 that was hacking the email accounts of top executives, lawyers and others in an effort to obtain non-public information about M&A deals and major market-moving announcements.
via SEC, Secret Service Reportedly Investigating ‘FIN4’ Hackers | Compliance Week.