Facebook co-founder and CEO Mark Zuckerberg certainly has accounts on other social networks, too. However, he didn’t seem to have bothered maintaining standard security practices on his non-Facebook accounts.

VentureBeat notes that Zuckerberg’s Twitter account and Pinterest accounts were hacked. The group responsible was OurMine Team. They also claimed that Zuckerberg’s Instagram account has been hacked, but later, it was confirmed that his Instagram was not accessed.

Reports stated that OurMine Team pulled off the hacks using the LinkedIn password dump from a few weeks ago. Last month, millions of LinkedIn user account details were leaked. The company has invalidated the credentials and asked affected members to reset their passwords. Generally, many people keep the same passwords on different online services to make it easy for them to remember. Apparently, Mark Zuckerberg has done the same thing.

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VentureBeat has also announced that Zuckerberg’s Twitter account @finkd had been suspended, but later, Twitter brought it back and the offending tweets were deleted. However, he has not tweeted anything since January 2012.

After this incident, it would be wiser for you to change passwords for all your social accounts if you have a LinkedIn account. Moreover, users should make a habit of changing passwords regularly on all online accounts to keep it safe from hacking.

If that is too much of a pain, you can use different passwords for different online accounts.

Zuckerberg’s Google+ account remains untouched. However, it is not clear whether he used a different account and password there or the OurMine Team has not bothered to check it.

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“No Facebook systems or accounts were accessed,” the spokesperson of Facebook said to VentureBeat in a statement.

“The affected accounts have been re-secured,” they added.