The Data Protection Act 2012 regulates personal-data processing, and a data controller must register with the Data Protection Commission. The Act and current official materials are available through the Data Protection Commission.

Before registration, map customer, employee, applicant, vendor, payment, CCTV, device and marketing data. Record purpose, legal basis, recipients, system, overseas access, retention and responsible owner. Determine which group companies and vendors act as controllers or processors based on actual decisions, not contract labels.

Prepare clear privacy notices, processor agreements, cross-border safeguards, retention and deletion rules, data-subject request processes and a security incident plan. Use access control, multifactor authentication, encryption, backups, logging, patching and staff training proportionate to risk. Health, financial, biometric and children’s data need heightened care.

Marketing teams should distinguish service messages from direct marketing and maintain consent or objection records where required. Cookie and tracking technologies should be included in the data inventory. HR monitoring and background checks should be necessary, proportionate and disclosed.

Registration is not the whole compliance programme. Review new products, vendors and overseas systems before deployment. In acquisitions, identify databases, lawful bases, security incidents and whether data can be shared during diligence and reused after closing.