After two days of testimony in a Van Nuys courtroom in which Hilton and her boyfriend, Cy Waits, took the witness stand, Nathan Parada of Redlands was found guilty of attempted felony burglary.
Investigators say the 32-year-old tried to break into Hilton's Hollywood Hills home last August. Hilton and her boyfriend testified they were awakened by a man pounding on the window of the home with the butt of a knife.
Her security guards got to him before he could get in, and Parada has been in custody since the attempted break-in.
He faces up to three years in prison when he is sentenced in late June.
In another Van Nuys courtroom, James Rainford entered a plea of no contest to battery on Thursday after grabbing Hilton's boyfriend by the neck as the couple headed into court. Hilton's security guard quickly took Rainford into custody.
The court sentenced him to more than 200 days in jail for battery and for violating a prior probation. Late last year, Rainford pleaded no contest to assault after he rode past security at Hilton's gated community and failed to stop. He was sentenced to three years of probation and ordered to stay 200 yards from Hilton's home.
Along with jail time and probation in the current sentence, Rainford was ordered to stay away from Waits.