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Yahoo email under new wave of security attacks...

04 Feb 2014

Yahoo has warned that its email service is under a new wave of security attacks, urging users to display extreme caution when checking messages.

As security breaches unfortunately become a more regular occurrence, the company recently identified a" coordinated effort to gain unauthorized access to Yahoo Mail accounts."

Upon discovery, Yahoo says it "took immediate action to protect our users, prompting them to reset passwords on impacted accounts."

"Based on our current findings, the list of usernames and passwords that were used to execute the attack was likely collected from a third-party database compromise," says Jay Rossiter, SVP, Platforms and Personalization Products, Yahoo.

"We have no evidence that they were obtained directly from Yahoo’s systems. Our ongoing investigation shows that malicious computer software used the list of usernames and passwords to access Yahoo Mail accounts.

"The information sought in the attack seems to be names and email addresses from the affected accounts’ most recent sent emails."

What Yahoo is doing to protect their users:

* We are resetting passwords on impacted accounts and we are using second sign-in verification to allow users to re-secure their accounts. Impacted users will be prompted (if not, already) to change their password and may receive an email notification or an SMS text if they have added a mobile number to their account.

* We are working with federal law enforcement to find and prosecute the perpetrators responsible for this attack.

* We have implemented additional measures to block attacks against Yahoo’s systems.

What you can do to help keep your accounts secure:

In addition to adopting better password practices by changing your password regularly and using different variations of symbols and characters, users should never use the same password on multiple sites or services.

Using the same password on multiple sites or services makes users particularly vulnerable to these types of attacks.

"We regret this has happened and want to assure our users that we take the security of their data very seriously," Rossiter adds.

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