The Japanese government on Monday ordered Facebook to improve the protection of users' personal information following data breaches affecting tens of millions of people worldwide.<br />''<br />''<br />''Facebook said early this month that hackers accessed the personal data of 29 million users in a breach at the world's leading social network first disclosed late September.<br />''<br />''<br />''The company had originally said, up to 50 million accounts were affected in a cyber attack that exploited a trio of software flaws to steal access tokens that enable people to automatically log back onto the platform.<br />''<br />''<br />''Japan's Personal Information Protection Commission today demanded the social media giant investigate why the personal data was hacked and draw up preventive measures. <br />''<br />''<span style="color: #222222;">Top government spokesman Yoshihide Suga said that Facebook told Japanese authorities the 29 million people hacked in the latest attack may include Japanese users.</span><br />