Blood Brothers : Charlie Cooper Thrillers Book 3 (Charlie Cooper Thrillers‪)‬

Charlie Cooper, a member of the covert Group Fifteen, travels to Israel to find his estranged half-brother, Freddy, who has mysteriously disappeared. Freddy's ties to NetGuardian, a cybersecurity firm implicated in dubious activities, propel Cooper into a dangerous web of corporate espionage, state-of-the-art surveillance technology, and the ruthless world of intelligence.