Singleton Schreiber, LLP data breach

What we know

Singleton Schreiber, LLP is a prominent national law firm handling high-stakes litigation, personal injury, mass torts, and complex civil matters. Because of the nature of their practice, the firm regularly collects, processes, and maintains vast repositories of deeply sensitive information concerning their clients, opposing parties, expert witnesses, and employees. This digital archive includes confidential legal strategy documents, extensive settlement details, medical records, financial statements, and personal identifying information necessary for building and prosecuting complex legal claims. The firm occupies a position of high trust, handling data that is among the most private and heavily guarded in the professional services sector.

In 2026, Singleton Schreiber, LLP reported a significant data security incident to the Maine Attorney General, alerting regulators and affected individuals that their digital environment had been compromised. While exact technical details continue to emerge, data breaches affecting law firms typically involve sophisticated unauthorized access to internal file servers, enterprise databases, or email environments. Bad actors frequently target legal institutions because law firms hold a centralized treasure trove of valuable personally identifiable information across multiple clients and cases, making them prime targets for ransomware deployment, credential harvesting, or external network infiltration.

The exposure resulting from the Singleton Schreiber, LLP incident jeopardizes several categories of sensitive data, each carrying distinct and severe risks for the victims. Compromised records commonly include full legal names, Social Security numbers, dates of birth, financial account details, sensitive medical histories, and confidential correspondence related to ongoing legal disputes. When Social Security numbers and dates of birth are leaked, victims face an immediate and lifelong threat of identity theft, fraudulent credit card applications, and unauthorized loans. Furthermore, the exposure of private medical or financial details tied to active legal claims can compromise a victim's personal privacy, expose them to targeted phishing campaigns, or jeopardize the integrity of ongoing legal proceedings.

As a professional services organization handling sensitive consumer and client data, Singleton Schreiber, LLP had strict legal and ethical obligations to implement robust cybersecurity measures. Under state data protection statutes, common law duties, and industry standards, the firm was required to maintain administrative, physical, and technical safeguards—such as multi-factor authentication, robust network monitoring, and routine security audits—to prevent unauthorized access. The occurrence of a successful breach strongly suggests potential vulnerabilities or failures in these security protocols, raising serious questions about whether the firm exercised the standard of care required to protect highly confidential information.

Receiving a data breach notification letter from Singleton Schreiber, LLP is a formal acknowledgment that your private information was compromised due to inadequate security controls. Legally, this notification establishes that your data was exposed, granting you the standing to participate in a class action lawsuit aimed at holding the firm accountable. Importantly, victims do not need to prove that they have already suffered direct financial loss or identity theft to seek legal recourse; the increased risk of future harm and the loss of privacy alone are actionable. Our law firm is investigating potential claims on a contingency fee basis, meaning there is never any out-of-pocket cost or financial risk to affected individuals unless we successfully recover compensation on your behalf.

See every breach reported in Maine or read what to do after a ransomware attack.