rivate files from the company Landauer , which is employed by the NHS to monitor radiation levels among staff . They ho ld pAttack.Databreachersonal details such as names , dates of birth , national insurance numbers and radiation dose of workers across the county including from Dorset County Hospital ( DCH ) . Fortunately fewer than 55 employees at DCH were affected . The company confirmed the attack , which has left hundreds of people across the country vulnerable to identity fraud , did not just affect the NHS but a ‘ number of clients ’ . The government ’ s newly formed National Cyber Security Centre ( NCSC ) set up to fight the rising threat of cyber-attacks refused to reveal information about the hackers including where they were from or exactly how many people are affected . The NCSC tackled 188 attacks in its first three months . A spokesperson for Dorset County Hospital said : “ On January 19 2017 Dorset County Hospital NHS Foundation Trust received a letter which informed us that there had been an information security breach oAttack.Databreachn one of the servers at Landauer UK , a third party organisation who supply our Dosimetry service , an externally provided service that monitors , analyses and reports on the radiation dosages that staff who regularly use radioactive equipment and devices ar e exposed tAttack.Databreacho . “ The incident occurred in October 2016 and has affected Trusts and non-NHS organisations nationwide , including Dorset County Hospital . Fortunately the number of staff from DCHFT who were involved in this da ta security breach wAttack.Databreachas small , with fewer than 55 current or former employees affected . Of these employees , fewer than 10 had more than their name br eached, Attack.Databreachand all of these individuals have been offered a 12 month ‘ ProtectMyID ’ service via Experian , courtesy of Landauer .