Vanguard Says Sending 71 Account E-Mails to Wrong Investor Was ‘Isolated Matter’

On Feb. 11, a puzzled customer of The Vanguard Group noticed that the firm had sent him 72 emails. But only one of them was meant for him.

Vanguard has a history of problems with online security and security of customer information, which I’ve written about here and here.

For its latest glitch, you can read my column today.