Data Loss Prevention for Healthcare: Stopping Patient Data Leaving Your Organisation
Patient data leaves healthcare organisations every day through channels that are not monitored: emails sent to personal accounts, files uploaded to consumer cloud storage, patient records printed at home, USB drives inserted into clinical workstations. Most of these incidents are accidental rather than malicious — but under UK GDPR, intent is not a defence. Data Loss Prevention technology gives healthcare organisations the visibility to detect data leaving the organisation and the controls to block it before a breach becomes a reportable incident.
Over 60% of healthcare data breaches reported to the ICO involve data being emailed, faxed, or posted to the wrong recipient — incidents DLP technology can prevent.
How DLP Protects Patient Data in Healthcare
DLP technology monitors data in use (on endpoint devices), data in motion (crossing the network or leaving via email and web), and data at rest (stored on servers, cloud platforms, and endpoints). In a healthcare context, DLP policies are configured to detect and block: patient data being emailed to non-NHS or personal email addresses; NHS numbers, clinical coding, or patient identifiers being uploaded to consumer cloud storage; mass downloads of patient records to USB devices; and printing of clinical records on non-managed printers. Modern DLP solutions integrate with Microsoft 365 (used extensively across the NHS) to provide visibility into NHSmail, SharePoint, and Teams data flows.
DLP as Part of a Wider Healthcare Information Governance Programme
DLP is most effective as part of a broader information governance programme rather than a standalone tool. It needs to be combined with: data classification (knowing what is sensitive, where it is stored, and who should have access); access controls that limit the data DLP needs to protect; user awareness training that explains why these controls exist; and a clear process for handling DLP alerts (triaging genuine incidents from false positives without overwhelming the IT team). Coro's unified platform includes integrated DLP capabilities alongside endpoint and email protection — giving healthcare organisations a single-pane-of-glass view of their data security posture.
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