Trillium’s Unclaimed Break-in Bounty Shows Strength of its In-Vehicle Defense. No hacker claimed the bounty offered by Trillium Secure, Inc. (Trillium) at DEF CON 26, which proved the strength of its cybersecurity solution for vehicles and fleets. The bounty program was part of Trillium’s ‘DEF CON 26 Pass-GO Challenge,’ which tested the company’s multi-layered defense against cyber-attacks and called for more collaboration with the hacker community to improve Trillium’s in-vehicle network solution.