Best Buy, JP Morgan Chase, Citi, Walgreens and Capitol One are among a list of major U.S. companies whose email databases were exposed in a massive security breach last week.
The breach occurred March 30 at Epsilon, a Texas-based firm that handles email communications for more than 2,500 clients worldwide, including seven of the Fortune 10 companies. Epsilon sends 40 billion emails annually.
via Read More.
