Nominet, the U.K. domain registry for .co.uk domains, has confirmed a cybersecurity incident linked to a vulnerability in Ivanti's VPN software. The breach was made possible through a zero-day exploit, leaving Nominet unable to apply necessary patches in time. In communication with customers, Nominet reported an ongoing investigation but stated there is currently no evidence of data leakage. Ivanti has acknowledged the widespread nature of the vulnerability, although it has not disclosed the number of impacted clients. Nominet has restricted VPN access while it continues its investigation.