Hacking peoples accounts and modding all games currently out for the PS3 and is working on a hacking service for PS4 to steal accounts WARNING do not let them invite you to any game they will steal your account details and use it till you have been banned
Edit: removed blacklisting
Got it thanks.
Customer Service - 1-800-345-SONY (7669)
Account & billing Support -1-877-971-SONY (7669)
Available Mon to Fri 8am - 8pm PST
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Please refer to the directions in this link to report suspected hacking: