A Canadian hacker accused of pilfering nude images from Carly Rae Jepsen's computer ... and trying to sell them ... has been arrested after turning himself in to police last Friday.

According to Vancouver police, 25-year-old Christopher David Long has been charged with fraudulently obtaining telecommunications services, unauthorized use of computer, mischief to data, identity fraud, and possession of stolen property.

Long has since been released from custody and is due back in court January 4th.