Who’s calling your broker for a wire transfer — out of your account?

Do you keep an eye on activity in your brokerage account? Well, you should. Criminals are figuring out clever ways to dupe your stockbroker into wiring money out of your account. It usually happens after someone has hacked your email account, so it’s not a bad idea to consider using two-factor authorization on your email. If that sounds like too much of a hassle, you might consider reading the story I wrote today for CNBC.com. You can read it here.

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.

Is Vanguard Making It Too Easy for Cybercriminals to Access Your Account?

A whistleblower has gone to the Securities and Exchange Commission with complaints about the security of customer accounts and information at The Vanguard Group.

The world’s largest mutual fund company told me that its security is strong. But the whistleblower, who spoke to me on the record about her complaints, disagrees. You can read my latest column for TheStreet here.