Highmark reports data breach from phishing attack

A data breach has affected 300,000 Highmark Inc. health plan members, reports Becker’s Payer Issues. According to filings the insurance company made with the Maine Attorney General's office, a Highmark employee's email account was breached by a phishing email on Dec. 13. The company discovered the breach Dec. 15 and found the employee's account included protected health information, including Social Security numbers.