Bitfinex suffered a "minor" information security attack. According to the company's press release, hackers were able to access "partial, incomplete, and outdated information." It is said that the hacker deceived a customer support staff member who had "limited access support tools and help desk tickets" through phishing. According to this release, the hacker failed to break through any core systems, and user funds were not affected by this attack. Bitfinex said that affected users will be notified, although most of the affected accounts are "empty or inactive." The company also said that it plans to cooperate with law enforcement agencies to track down the attacker.