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The Chicago Sun Times reports that Yahoo said yesterday that it believes that hackers stole data information from one more than one billion of its user accounts - in August 2013. According to the story, "Yahoo says the information stolen may include names, email addresses, phone numbers, birthdates and security questions and answers. The company says it believes bank-account information and payment-card data were not affected."

The hack is said to be different from the breach that Yahoo revealed last September, in which 500 million accounts were exposed.

The Sun Times suggests that the revelation could result in Verizon wanting to revise the terms of its proposed $4.8 billion acquisition of Yahoo.
KC's View:

I'm beginning to believe that Yahoo ought to change its name to "Sieve."

Though there are a couple of surprising things here ... one of which is that Yahoo actually had a billion users.

Another is that now - three years after the hack - they're suggesting that people need to change their passwords. I'm not denying that it is important to change one's passwords on a regular basis, but isn't it a little late to do so to compensate for this particular hack?