Yahoo has become the latest target of hackers, with usernames and passwords stolen from some of its estimated 273 million email customers.
Yahoo acknowledged that attackers now own an undisclosed number of usernames and passwords to Yahoo Mail accounts. In a blog post, Jay Rossiter, the senior vice president in charge of Yahoo’s platforms and personalization products, wrote that the attackers had most likely hacked an external, third-party database and obtained the information there.
Yahoo was clear to state that it has no evidence that the attempted hacking attack came as a result of its systems being compromised. It turns out that malicious computer software was the culprit that helped someone obtain names and email addresses from affected accounts’ most recent sent emails.
“We regret this has happened and want to assure our users that we take the security of their data very seriously,” Rossiter wrote.
The Sunnyvale, Calif.-based company says it has begun notifying users whose accounts were compromised and has started using second sign-in verification to allow users to re-secure their accounts. Some users may receive an SMS text, Yahoo says.
Yahoo said that it was working with federal law enforcement to find the culprits and would take further precautions to prevent this from happening again.
The company recently rolled out 2048-bit SSL encryption for Yahoo Mail, designed to make the service more secure.
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