Home entered open beta phase on December 11, 2008, allowing gamers from all regions to download the new interface. It was promptly hacked via a number of security loopholes. A major loophole allows hackers to upload or delete any file from Home's server. Since the server is accessed by everybody, a hacker could potentially unleash a virus on unsuspecting gamers.Telegraph.co.uk: PlayStation Home hacked (December 19, 2008)

Hackers are also able to swap out text, music and movies with files of their own choosing. These changes seem to only affect what the local user sees and cannot be used to alter the experience of others.Engadget: PlayStation Home already hacked? (December 14, 2008)

This is not the first time PlayStation Home has been hacked. As early as April 2008, hackers were able to download Home before it was even available for beta testing.GameGrep: Download PlayStation Home before public release (April 9, 2008) In October 2008, the same guy who recently hacked the open beta decrypted the closed beta client and accessed 9,000 unencrypted files.Kotaku: PlayStation Home Hacked (October 24, 2008)