Sony PS3 grabs content IDs when connected to Vita
Apparently when you connect your PlayStation Vita to your PS3, the PS3 will automatically locate and store all the content IDs from your PlayStation Network account. This, surmises the hacker who made this discovery, means that it’s possible for Sony to invalidate content on your systems regardless of where you acquired it.
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Story added 12. March 2012, content source with full text you can find at link above.