NHS seeks to recover from global cyber-attack as security concerns resurface

The NHS is investigating a cyber-attack on its systems.The National Cyber Security Centre (NCSC) said teams were “working round the clock” in response to the attack, which saw operations cancelled, ambulances diverted, and documents such as patient records made unavailable in England and Scotland.Prime minister Theresa May and NHS Digital said they were not aware of any evidence patient records had been compromised in Friday’s attack, which is thought to have affected computers