The Royal Borough of Kensington and Chelsea (RBKC),

Kensington and Chelsea Council has admitted that data was quietly lifted from its systems during last week's cyber meltdown, confirming that the outage was not just an IT faceplant but a bona fide data breach.

The Royal Borough of Kensington and Chelsea (RBKC), which last week 'fessed up to a cybersecurity incident that had downed its IT systems, said in an updated statement that it has "obtained evidence on our systems that shows some data has been copied and then taken away." 

The authority has not said what kind of data was taken, how much was removed, how long the attacker had access, or whether the information pertains to residents, staff, partner organizations, or internal operations. RBKC added that it is checking whether the copied data "contains any personal or financial details of residents, customers, and service users," but said that it believes the incident impacted only "historical data ...