New CISO appointments 2026
Companies including Mistral AI, Trellix, Marriott, and ANZ appointed new CISOs in July-September 2026 amid high security-leadership turnover.
CSO Online's rolling column tracks senior security appointments, noting many companies are hiring a CSO/CISO for the first time. Notable moves include Thomas Coudray leaving Ledger to become Mistral AI's CISO, David Soto joining Trellix from Amazon, and Daniel Dubowski becoming Marriott International's SVP and CISO. Other appointments span ANZ, Gigamon, Axonius, Tricentis, Remitly, Allied Universal, and the State of California.