San Francisco, July 27: 35-year-old renowned "white hat" hacker, Barnaby Jack was found dead, on July 25, Thursday by a family member at an apartment in San Francisco's Nob Hill neighborhood, San Francisco police said.
The shocking demise of Barnaby happened a week before he was due to make a high-profile presentation at a hacking conference.
The cause behind Jack's sudden death is yet to be ascertained.
The Director of Embedded Device Security at IOActive, a computer security firm, Jack was due to present his research on heart devices at Black Hat hackers convention in Las Vegas next Thursday, on August 1.
Born in New Zealand, Barnaby was one of the world's most prominent and genius hackers. He often received standing ovations at conferences for his creativity and showmanship.
In an interview to Reuters last week, Jack told that he could kill a man from 30 feet (9 meters) away by attacking an implanted heart device.
He got famed in 2010 when he did demonstration of "Jackpotting" - getting ATMs to spew out bills.
Two years ago, Jack sparked safety improvements in medical devices,while working on a team at McAfee that engineered methods for attacking insulin pumps.
Jack's mourners took to Twitter to express their sorrow.
Lost but never forgotten our beloved pirate, Barnaby Jack has passed. He was a master hacker and dear friend. Here's to you Barnes!
Lost but never forgotten our beloved pirate, Barnaby Jack has passed. He was a master hacker and dear friend. Here's to you Barnes!— IOActive, Inc (@IOActive) July 26, 2013
Dan Kaminsky, a well-known hacker, described the death as a tragedy. "Barnaby was one of the most creative, energetic, diverse researchers in our field," he said.