cyberattack

Report alleged Sellafield IT systems were attacked by hacking groups linked to Russia and China

IT systems and phone lines are down

Debenham High School's network is down as a result

Care centres are closed from California to Rhode Island

But 'most' services are designed to operate offline

Firm says the threat actor was 'sophisticated' and 'persistent'

Executives first said hack was 'Just a small breach'

Airport blames Russia's Cl0p gang

Black Cat hackers claim that the data obtained from Barts Health NHS Trust represents the 'more bigger leak from the health care system in UK'

Related to University of Manchester attack earlier this month