Malicious hackers to attack Google's YouTube on Sunday, especially the section where users post comments. In its action, the video artist's fame famous hacker."Comments temporarily hidden by default in one hour [to find the problem], and we repair this problem is complete in about two hours. We are continuing to study about these vulnerabilities to help prevent similar problems in the future," said Google spokesman .
This attack is potentially dangerous from a user who visits a cookie-held YouTube page, but this will not be able to access their Google account, the spokesman said.
As a precaution, YouTube users must log out of their account and re-entry.
The attackers targeted the singer Justin Bieber, by entering the code into the YouTube page so that visitors see a message pop up is not attractive about this young star, and also directed to an external site contains adult content.
An industry source familiar with the situation said the attack itself does not involve malware infections, such as embedded malicious program every time a user visits a webpage.
YouTube is by far the site to upload and share videos most popular. In May, U.S. residents saw 14.6 billion video clips on Google's site, especially on YouTube. Approximately 43 percent of all video clips online that was witnessed in the month, according to comScore.