Being the chief executive officer of one of the biggest Internet companies in the world makes you a prime target for hackers. Such is the case of Facebook founder and CEO Mark Zuckerberg. A hacker group claim that they have been able to gain access to one of Zuckerberg's online account.

On Tuesday, a group of hackers calling themselves OurMine informed the media that they were able to access and deface Zuckerberg's Pinterest account. The hacker group claim that they changed the account's tagline and flaunted the group's web address.

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According to CNet, the hackers claim they changed Zuckerberg's Pinterest bio temporarily to show "Don't worry, we are just testing your security." CNet added that by the time the report was published, the defacement had been removed.

OurMine did not elaborate on the method they used to access Zuckerberg's Pinterest account. However, the group confirmed that it was not through leaked databases. When pressed about the issue, the group said that they were able to gain access through an "exploit on Pinterest" but did not give any details about it.

This is not the first time OurMine has claimed responsibility for hacking Zuckerberg's online accounts. In June, the group claimed that they were able to access Zuckerberg's Twitter and Pinterest account. They later revealed that the Facebook CEO enabled two-factor authentication after the attack.

Zuckerberg is not the only prominent figure in the tech industry to have fallen victim to OurMine's hacking antics. According to Forbes, OurMine has also claimed responsibility for hacking Google CEO Sundar Pichai, Yahoo CEO Marissa Meyer, and Uber founder Travis Kalanick. The group claims that they have also been able to hack Buzzfeed and Variety.

Despite the implications of these hacking sprees, it appears that OurMine's goal is to promote security as the group has not made any serious or irreparable damages to the accounts or websites that they have hacked.