Investor Communications Firm Mediant Sued Over Data Breach

Mediant Communications Inc. allegedly failed to secure personally identifiable information and didn’t provide prompt notice after a data breach, a suit filed in Florida federal court said.

The firm, which helps companies and funds communicate with their investors, didn’t implement “standard” anti-phishing procedures, according to the complaint filed in the U.S. District Court for the Southern District of Florida Oct. 15. Hackers accessed the personal information of people who invested in companies Mediant served after an April breach, the complaint said.

Mediant informed its clients of the breach in early May, but waited three more weeks to contact the investors ...