Irish company Healthdaq, which runs a healthcare recruitment platform used by health trusts in Northern Ireland, has been targeted by cyber-criminals who claim to have stolen hundreds of thousands of sensitive files containing personal data. The company confirmed that the issue has been resolved and steps have been taken to secure the platform. The hackers are demanding a ransom. Healthdaq is used by healthcare services to manage recruitment and holds detailed personal, identity and background-check data on staff. The cyber attack could lead to identity theft, fraud, or misuse of personal information.