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high severity March 19, 2024 · 4 min read Unverified claim — what this is

Mayer Antonellis Jachowicz & Haranas, LLP Listed by bianlian Ransomware Group

If you are a customer of Mayer Antonellis Jachowicz & Haranas, LLP, here’s what is being claimed, and what it would mean for you.

The Massachusetts law firm of Mayer & Haranas, LLP represents businesses, individuals, banking institutions and others in a wide variety of legal matters. The law firm's experienced lawyers specialize in Massachusetts business law, divorce, employment law and real estate law.

— from Bianlian’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
Mayer Antonellis Jachowicz & Haranas, LLP Listed by bianlian Ransomware Group

Mayer Antonellis Jachowicz & Haranas Listed by Bianlian

On March 19, 2024, the Massachusetts law firm Mayer & Haranas, LLP appeared on the leak site operated by the Bianlian ransomware group. The listing states that internal files were exfiltrated during a ransomware attack on the firm, which provides legal services in business law, divorce, employment law, and real estate. The disclosure does not specify the number of records affected or detail the exact contents of the stolen data.

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What the Leak Site States

The Bianlian leak site listing states that internal files were exfiltrated from Mayer & Haranas, LLP. It does not quantify the volume of data taken or list specific document types. The entry was first observed on March 19, 2024, and follows the group’s standard practice of publishing victim organizations after initial extortion attempts. Public reporting on Bianlian indicates the group typically posts samples or announcements to pressure targets into payment, though the precise deadline or ransom amount for this incident remains undisclosed in the listing.

The firm’s website describes its work representing businesses, individuals, banking institutions, and others across Massachusetts legal matters. Any client files, contracts, financial records, or personal information held by the firm could therefore be at risk, though the primary disclosure does not confirm which categories were taken.

Why This Matters for You and Your Family

If you or your family have ever used Mayer & Haranas, LLP for divorce proceedings, real estate closings, employment disputes, or business formation, your personal information may have been exposed. Law firms routinely hold Social Security numbers, financial account details, tax records, medical information in family matters, and sensitive correspondence. Even when exact data types are not published, the exposure of internal files from a firm handling such cases creates immediate identity risk for ordinary clients.

Credential material or client contact details leaked from this claimed breach can be combined with data from other incidents to build complete profiles. Families involved in divorce or child custody cases are especially vulnerable because those files often contain addresses, phone numbers, dates of birth, and information about children.

Doxxing and Identity-Chain Implications

Ransomware leaks like this one rarely stop at the initial publication. Threat actors and data resellers scrape the material and cross-reference it with other breaches, creating long-term doxxing chains. An email address or phone number taken from the Mayer & Haranas files can be linked to your online handles, social media accounts, and even children’s gaming profiles. Once connected, attackers can pursue account takeovers, targeted phishing, or public exposure of private legal matters.

Credential leaks of this nature frequently cascade into gaming account compromises. Children’s usernames, emails, or reused passwords exposed through a parent’s legal file can lead to direct takeover of Roblox, Fortnite, or Discord accounts, which then become launch points for further harassment or social engineering. The Bianlian listing, while not detailing exact data fields, fits a pattern where seemingly professional documents contain the personal keys that unlock these identity chains.

Bianlian’s Known Track Record

Public reporting attributes Bianlian’s emergence to mid-2022. The group has targeted healthcare providers, legal practices, manufacturing firms, and municipal organizations across the United States and Europe. Their typical playbook begins with initial access through compromised remote desktop credentials or phishing, followed by exfiltration of sensitive files before encryption. Bianlian then demands ransom and, upon non-payment, publishes victim names and data samples on their dark-web leak site. The group has repeatedly demonstrated willingness to release additional batches of stolen material over time if their demands are ignored.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real identity, with cleanup of exposed records.
  • Rotate any password you ever used at Mayer & Haranas, LLP or related client portals anywhere it has been reused, and switch to 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your information is caught and addressed in hours, not months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often chain back to the same addresses and parent credentials leaked in incidents like this.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites on your behalf while you focus on securing accounts.

The Bianlian listing of Mayer & Haranas, LLP is a reminder that professional services entrusted with your most private documents can become gateways to long-term identity exposure. Start your DoxxScan trial today for continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage including children’s gaming accounts. This combination of early detection and expert intervention remains one of the most practical defenses available to ordinary families.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High
Disclosed March 19, 2024
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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