Data Security & Privacy Legal Services

Data Security & Privacy Legal Services

Holmes provides expert legal advice on GDPR compliance, privacy risk, and cyber breach response-trusted by leading organisations facing complex data challenges.

Clear, Commercial GDPR Advice

Holmes helps clients build practical privacy frameworks that hold up under regulatory scrutiny. We tailor GDPR strategies to your operations, risk appetite, and sector-specific requirements.

Our services include:
 – Data protection audits, risk assessments, and privacy notices
 – Consent models and responses to data access requests
 – International data transfers and contractual safeguards
 – Privacy by design and internal governance policies

Cybersecurity Breach Response

When a breach occurs, Holmes acts quickly and strategically. We help clients manage legal exposure, engage regulators, and stabilise operations, while preserving confidentiality throughout the process.

Recent work includes:

•  Advising on a cyberattack affecting over 30,000 personal records
•  Managing communications with the Data Protection Commission
•  Coordinating with forensic specialists and internal teams
•  Limiting reputational and legal impact

Cyber Insurance Legal Counsel

Holmes is regularly engaged by cyber insurers, loss adjusters, and policyholders. We provide clear legal advice on policy coverage, regulatory obligations, and liability management. Our team combines knowledge of insurance, data protection, and litigation to provide practical, high-pressure legal support during and after breach events.

Enforcement Defence & Privacy Litigation

Our litigation team has successfully defended clients in privacy-related investigations and court actions. We work closely with clients to prepare clear regulatory responses and represent them in both administrative and legal proceedings. Our experience includes:

• Secured one of Ireland’s first data protection injunctions, stopping unlawful processing of child data by a multinational technology company.
• Recovered €300,000 in stolen client funds after a cyber fraud attack, coordinating with a foreign bank and local counsel to secure a full return through litigation.
• Advised an aviation company following a major cyberattack, managing regulator engagement and legal response after a breach affecting over 30,000 personal records.

Why Holmes?

• Deep regulatory knowledge backed by strong litigation capability
•  Senior-led teams offering swift, strategic advice
•  Trusted relationships with key regulators, including the Data Protection Commission
•  A proven track record in privacy, cyber, and insurance-related legal matters

Contact Us

Need advice or require a confidential discussion, contact one of our expert team below.