What is data breach litigation?

Data breach litigation involves civil claims brought by individuals or businesses harmed when a company fails to protect personal information. In Massachusetts, plaintiffs may assert claims for negligence, breach of contract, and violations of Chapter 93A and M.G.L. c. 93H.

What are my rights after a data breach in Massachusetts?

Massachusetts law requires companies to notify affected residents and the Attorney General after a data breach under M.G.L. c. 93H. Individuals may pursue civil claims for damages including identity theft losses, credit monitoring costs, and emotional distress. Chapter 93A may provide double or treble damages for willful or knowing violations, plus attorney fee recovery.

What damages can I recover in a data breach lawsuit?

Recoverable damages may include actual financial losses, costs of credit monitoring and identity theft remediation, statutory damages, treble damages under Chapter 93A for willful or knowing violations, injunctive relief, and attorney fees.

Can I sue a company for a data breach in Massachusetts?

Yes. Massachusetts law provides multiple causes of action against companies that fail to protect personal information, including negligence, breach of contract, and violations of M.G.L. c. 93H and Chapter 93A. Companies that fail to implement reasonable security measures or that delay breach notification may face civil liability.

What should I do immediately after learning my data was breached?

Preserve the breach notification letter and any communications from the breached company. Monitor financial accounts for unauthorized activity. Place fraud alerts or credit freezes with the major credit bureaus. Document all out-of-pocket expenses and time spent on remediation. Consult an attorney to evaluate your claims before the statute of limitations runs.

Data Breach Litigation Massachusetts

Q: How long do I have to file a data breach lawsuit in Massachusetts?

Massachusetts generally applies a three-year statute of limitations to data breach claims, running from the date the plaintiff knew or should have known of the breach. The discovery rule may extend this period when a breach is concealed or its scope is not immediately apparent.

Data Breach Litigation

Individuals and businesses harmed by data breaches may pursue claims for negligence, statutory violations, and unfair or deceptive practices under Massachusetts and federal law.

Healthcare data breaches averaged $10.93 million per incident in 2023. 1

Massachusetts Data Breach Law

Massachusetts imposes strict obligations on companies that handle personal information. M.G.L. c. 93H requires entities that experience a breach of personal information to notify affected residents and the Attorney General. M.G.L. c. 93I requires proper destruction of personal information. Violations of these statutes may support claims under Chapter 93A, which provides for double or treble damages for willful or knowing violations and mandatory attorney fee-shifting. The combination of breach notification failures and inadequate data security creates a strong foundation for civil recovery.

Overview

We represent individuals and businesses across Massachusetts whose personal information was exposed by a data breach, pursuing compensation from the companies that failed to protect it.

Massachusetts requires companies to notify the Attorney General and affected residents after a data breach. 2

Types of Data Breach Claims

Claims arise from a range of breach events: corporate data breaches exposing customer or patient records, ransomware attacks disrupting operations and compromising data, employee data breaches where employers fail to safeguard personnel records, healthcare data breaches involving protected health information under HIPAA and state law, and financial data theft targeting banking credentials, credit card numbers, or Social Security numbers. Each category involves distinct notification obligations, regulatory frameworks, and damages theories.

Causes of Action

Plaintiffs in Massachusetts data breach cases may assert claims for negligence, where the company failed to implement reasonable security measures, breach of contract, where terms of service or privacy policies created enforceable obligations, violations of M.G.L. c. 93A, where the breach resulted from unfair or deceptive practices, and, where applicable, claims informed by HIPAA security standards, the California CCPA, or the EU GDPR, although HIPAA itself confers no private right of action. Available remedies include actual damages, statutory damages, double or treble damages under 93A for willful or knowing violations, injunctive relief, and attorney fees.

Prompt action after a data breach is critical to preserving claims and evidence.

Statute of Limitations

Massachusetts applies a three-year statute of limitations to tort-based data breach claims, four years to Chapter 93A claims, and six years to contract claims, generally running from when the plaintiff knew or should have known of the breach. The discovery rule may extend the filing window when a breach is concealed or its scope is not immediately apparent. Institutional defendants often contest timeliness, making prompt consultation critical.

What to Bring to a Consultation

Relevant materials may include breach notification letters, account statements showing unauthorized activity, correspondence with the breached company, records of credit monitoring or identity theft remediation, insurance claim denials, and documentation of out-of-pocket expenses or lost time. Not all individuals will have documentation. The absence of records does not preclude a viable claim. Many cases rely on breach disclosures filed with the Massachusetts Attorney General and records obtained through discovery. Data breach claims in Massachusetts frequently involve parallel Chapter 93A consumer protection claims, class action litigation, and, where employee data is compromised, employment law protections.

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