MBM Intellectual Property Law Listed by interlock Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

People whose personal or professional details sit inside the files of an intellectual property law firm face concrete risks when those files are claimed to have been taken: identity misuse, targeted fraud, or the quiet leakage of sensitive commercial information that can affect careers and businesses. On 11 August 2025 the ransomware group known as interlock listed MBM Intellectual Property Law on its leak site, asserting that it had exfiltrated internal files. The number of people affected remains unknown, and public detail about the precise contents is limited.

This article sets out only what has been reported, places the claim in context, and outlines practical steps for anyone who may be involved.

What happened

According to the public listing, MBM Intellectual Property Law was named by the interlock ransomware group on 11 August 2025. The group claims that internal files were exfiltrated during a ransomware attack. No further technical details—such as the initial access method, the duration of the intrusion, the volume of data taken, or any ransom demand—have been disclosed in the available record. The number of individuals whose information may be involved is listed as unknown. At present the listing itself constitutes an unverified claim by the group rather than an independently confirmed breach report.

Who is interlock?

Interlock is a ransomware operation that has appeared in public reporting as a double-extortion actor: it encrypts systems and simultaneously claims to steal data, then threatens to publish the material on a dedicated leak site if payment is not made. Like other groups of this type, it typically advertises victims by name, posts sample files or file lists, and sets countdown timers. Its prior activity has involved organisations across multiple sectors and countries; the group’s public statements are self-serving and should be treated as claims until corroborated by the victim organisation or independent investigators. In this instance the only assertion tied specifically to MBM is the leak-site listing itself.

About MBM Intellectual Property Law

MBM Intellectual Property Law is a Canadian firm whose practice is devoted exclusively to intellectual-property matters. Its professionals include lawyers and technical specialists holding advanced degrees in fields such as molecular biology, chemistry, neuroscience, and various engineering disciplines, together with experienced IP litigators. The firm assists clients in obtaining and enforcing patents, trademarks, industrial designs, copyrights and trade secrets, and provides strategic advice on the management of intellectual-property portfolios. Law firms of this kind routinely hold large volumes of confidential client material—patent applications, invention disclosures, licensing agreements, correspondence, and personal data of inventors, employees and opposing parties. A breach at such an organisation therefore carries implications that extend beyond the firm itself to the inventors, companies and individuals whose proprietary information is entrusted to it.

What was likely exposed

The only data category named in the available facts is “internal files exfiltrated in ransomware attack.” No inventory of file types, no count of records, and no confirmation of personal identifiers have been released. Organisations that practise intellectual-property law typically store documents containing names, contact details, technical drawings, research data, financial information related to filings, and privileged legal communications. Whether any of those categories were among the files claimed by interlock remains unconfirmed. Readers should therefore treat the precise contents as unknown pending further disclosure by the firm or by independent verification.

Why it matters

For individuals whose data may be present, the practical risks include identity theft, phishing campaigns that exploit knowledge of their professional affiliations, and the possible public release of personal or financial details. For corporate clients the stakes are higher still: premature disclosure of patent applications or trade-secret material can undermine competitive advantage, complicate ongoing litigation, or create regulatory exposure under privacy and securities rules. The firm itself faces operational disruption, potential regulatory scrutiny, and the long-term erosion of client trust. Because the scale of the claimed exfiltration is undisclosed, the full extent of these risks cannot yet be quantified; the absence of confirmed numbers does not eliminate the need for vigilance.

What to do if you're exposed

If you have reason to believe your information may have been held by MBM Intellectual Property Law, take the following measured steps:

• Monitor financial and credit accounts for unexpected activity and consider placing a fraud alert with the major credit bureaus.
• Change passwords on any accounts that may have shared credentials or recovery email addresses linked to the firm, and enable multi-factor authentication wherever available.
• Be alert to targeted phishing or social-engineering attempts that reference intellectual-property matters or the firm’s name.
• If you are a client or inventor, contact the firm through a verified channel to ask whether your matter was affected and what protective measures are being offered.
• Run a free exposure scan of your email address against known breach data sets to determine whether your details have already appeared in other public leaks.

These actions do not require confirmation that your data was taken; they simply reduce residual risk while official details remain limited. Continue to watch for any formal notification from the firm or from Canadian privacy authorities.

AICompiled with AI assistance from public sources and published under our editorial standards.