Hosts Luciano Cerdone and Brian Claman examine the arrest of Biwe Claire Zhang, a Canadian citizen and IT intern at NATO’s SHAPE headquarters in Mons, Belgium. Despite reportedly undergoing screening through multiple Canadian institutions and holding a Canadian security clearance, Zhang was arrested by Belgian authorities on suspicion of espionage-related activity.

The case raises serious questions about weaknesses in Canada’s security-clearance, immigration-vetting and ongoing-monitoring processes. The discussion explores why security clearances can become overly static, insufficiently scrutinized and renewed too infrequently—creating opportunities for insider threats. Foreign intelligence services often recruit vulnerable or entry-level employees and cultivate them over many years.

Drawing lessons from previous Canadian securit ...