Party A created an online RPG (text based, played via IRC) that had a site with a database of character sheets, and a forum. Party A obviously had the passwords to access the database, and the site via FTP.
Party B (2 people) played the game and eventually took over running it once Party A left.
Party A got mad one day and decided to screw around with the site, taking down some pages, causing popups and such, but with no permanent damage to the site, and using passwords that Party A already had due to putting the site up in the first place. There was no malware or viruses involved. Party A also took some passwords from the character database that belonged to a member of Party B's forum account. Party A used that forum account to screw around with the forum a bit. No permanent damage was caused. Party A then contacted Party B, informed them of what happened after the site and forums were restored, and told them to change their passwords.
Party B is now threatening legal action against Party A, for "identity theft". Note that Party A did not make any forum posts under Party B's nickname, nor did Party A cause any monetary damage, access any personal information, or do anything other than mess around with the site and the forums. Party A does not know Party B outside of the game (and vice versa). The game is not for profit, and it is based off of an existing IP copyrighted by a real company. It cost Party B no money to fix the website or the forums, since it was a simple matter of restoring backups.
Party A is in Ontario, Canada while Party B is in Massachusetts.
Can Party B do anything to Party A?
If any more details are required to provide an answer, please let me know.
Posts
No, Party B needs to learn better tricks for childishly scaring people he doesn't like, unless he just wants to keep looking like an angry moron.
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If A created it, unless A contractually forfeited all ownership of the site/content to Party B, A could pretty much come back and take over again if they wanted.
Though the rights of each party also would depend on who is paying for the upkeep.
Party A just wants to avoid all contact with Party B from here on out. All signs seem to point to Party B being unable to do anything, which is excellent.
Thank you for the responses.