Britain Says North Korea Was Behind Cyberattack on Health Service<br />27, 2017<br />Britain believes "quite strongly" that North Korea was behind the "WannaCry" cyberattack in May<br />that wreaked havoc on the National Health Service’s computer systems and spread to more than 150 countries, a senior official said on Friday.<br />North said that North Korea has been potentially linked to other attacks about raising foreign currency,<br />While the ransom demanded in the attack in Britain was modest, the National Audit Office said evidence indicated that no N.H.S.<br />Britain’s National Audit Office said on Friday that at least 6,900 appointments had been<br />canceled during the attack, which affected more than one-third of England’s 236 N.H.S.<br />The National Audit Office said on Friday that the WannaCry attack had been relatively unsophisticated and could have been prevented had the N.H.S.