LinkedIn is a professional social networking website where users can post their resumes and help to market it to reach employers and connect with colleagues in the same career which diverse career information for much of the 160 million users .61 percent of its membership is located outside the United States.
LinkedIn said it is investigating reports that more than six million passwords have been stolen and leaked onto the Internet. USA Today reported
Hackers posted 6.5 million LinkedIn passwords were leaked on a Russian web forum.
Vicente Silveira, director at LinkedIn confirmed the hack on the company's blog, said in a blog post, "We are continuing to investigate this situation and here is what we are pursuing as far as next steps for the compromised accounts."
Graham Cluley,a consultant with Sophos, recommended , all LinkedIn users should change their passwords as soon as possible as a precautionary measure. He said users should make sure that the password you used inLinkedIn is not the one used on other websites and "If you use the same password make sure to change too, and he advised never use the same password on several websites," .
Computer security experts in the U.S and Europe warned they have reveal evidence that the social networking site LinkedIn has suffered a data breach that may have negatively impacted on the passwords of millions of users. and LinkedIn did not use best practices in protecting the passwords ,According Reuters