Ledger consolidates technology and security oversight amid rising AI threats

Ledger just handed one person the keys to both its technology kingdom and its security fortress. The Paris-based hardware wallet maker appointed Oded Blatman as its combined chief information officer and chief security officer on September 9, 2026, merging two traditionally separate leadership roles into a single, unified command structure. The threat landscape that forced the move The crypto industry has hemorrhaged $1.4 billion from hacks and exploits over the past year. That figure, cited by Ledger CTO Charles Guillemet, represents not just sloppy code or lazy key management. It reflects a fundamental shift in how attackers operate. AI-generated phishing campaigns have grown disturbingly sophisticated. Autonomous attack systems can probe infrastructure around the clock, identifying and exploiting vulnerabilities faster than most security teams can patch them. Blatman arrives from Fireblocks, the institutional crypto infrastructure company, where he served as CIO and CISO. His new role at Ledger is notably broader. He’ll oversee cyber and infrastructure security, product security (including Ledger’s in-house research team, the Donjon), physical security, enterprise risk managemen...