Yahoo had apologized to the users for the breach of security causing great inconvenience and restlessness in the users after hackers had stolen more than 400,000 login credentials from the Yahoo Voice server.

Other company usernames and passwords were also stolen along with Yahoo!.

The organization said that it is working on the security issue and and fixing it by notifying the victims and the companies who were subjected to the attack. It has also changed the passwords of te users to avoid any further damage.

In a statement Yahoo said, “At Yahoo! Security is a matter of serious concern and we also invest large amounts to ensure security. We confirm that an older file from Yahoo! Contributor Network (previously Associated Content) containing approximately 450,000 Yahoo! and other company users names and passwords was compromised yesterday, July 11.

Of these, less than 5% of the Yahoo! accounts had valid passwords. We are working right now on fixing the vulnerablility that caused the security breach. We are also notifying those users whose credentials might hav been compromised. It is advisable to all Yahoo users to change passwords regularly and also familiarize themselves with our online safety tips at security.yahoo.com."

A group of hackers by the alias D33Ds Company posted 453,492 login credentials  on a public website, but has claimed to do so not as a threat but as an alarm to increase the security measures.

(AW - Anil)