Private detective Glenn Mulcaire will not go to jail despite admitting to his role in the phone hacking at News of the World newspaper.
Mr Mulcaire pleaded guilty to three counts of conspiring to hack phones last year.
The judge described Mr Mulcaire, 43, of Sutton, south London, as "the lucky one", saying it would be wrong to jail him again after he already served a sentence in 2006 when he was first convicted of phone hacking.
The judge sentenced him to six months imprisonment, suspended for 12 months, plus 200 hours unpaid community work.
Glenn Mulcaire who intercepted mobile phone messages while working for News of the World launched the latest round of a court battle to protect his "legitimate legal interests".
The private investigator asked the Supreme Court to rule on whether he must disclose who instructed him and to whom he passed the information.
Five Supreme Court justices are being asked to decide whether "intercepted confidential information" is intellectual property and what detail Mr Mulcaire must reveal.
Mr Mulcaire appealed to the Supreme Court - the UK's highest court - after losing fights in the High Court and Court of Appeal.