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high severity September 20, 2023 · 3 min read Unverified claim — what this is

messner.com Listed by lockbit3 Ransomware Group

If you are a customer of messner.com, here’s what is being claimed, and what it would mean for you.

At Messner Reeves LLP we firmly believe every business, regardless of size, deserves exceptional legal services at a reasonable rate.Messner Reeves is a national full-service business law firm providing legal services to a diverse group of client...

— from LockBit’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.
messner.com Listed by lockbit3 Ransomware Group

On September 20, 2023, law firm Messner Reeves LLP appeared on the LockBit 3.0 ransomware leak site, claiming that internal files had been exfiltrated during a ransomware attack. The listing, hosted on the group’s onion domain and mirrored on ransomware.live, states that data was stolen but does not specify the volume of records, the exact types of documents taken, or the number of clients and employees whose information is now at risk.

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Reported Details from the Listing

The LockBit 3.0 leak page for Messner Reeves indicates the firm suffered a ransomware intrusion in which attackers successfully exfiltrated internal files before encryption. The disclosure does not quantify affected records or list specific data fields. It simply states that data was taken and gives the firm a deadline to negotiate or face full publication. Public mirrors of the post state the listing went live on September 20, 2023. The law firm’s own description on the page notes it provides full-service business legal services nationwide, which implies the stolen files could contain contracts, client correspondence, financial records, and personally identifiable information belonging to individuals and companies the firm has represented.

Why This Matters for You and Your Family

If you or any member of your family has ever been a client of Messner Reeves, your personal or business information may now sit in a ransomware actor’s archive. Even though the exact contents remain undisclosed, law-firm data typically includes names, addresses, Social Security numbers, dates of birth, financial account details, and case-related private correspondence. Once such material leaves the victim’s control, it can surface on dark-web markets, extortion forums, or be used quietly for identity theft months or years later. Ordinary people who used the firm for estate planning, small-business contracts, real-estate closings, or family-law matters are just as exposed as large corporate clients.

The Doxxing and Identity-Chain Risk

Ransomware groups rarely stop at posting a single zip file. They often sell or trade the full dataset, allowing other criminals to combine it with information from previous breaches. A leaked email from this incident can be linked to your username on a gaming platform, your phone number on a people-search site, and your home address on a data-broker listing. These identity chains let attackers impersonate you, file fraudulent tax returns, open accounts in your name, or harass your family. Credential leaks like this one frequently cascade into account takeovers on Steam, Roblox, Discord, and other services your children use, turning one professional breach into a household-wide privacy incident.

LockBit 3.0’s Known Track Record

Public reporting attributes the LockBit 3.0 variant to a ransomware-as-a-service operation that first appeared in early 2020 under the original LockBit name. The group rebranded to LockBit 3.0 in 2022 after law-enforcement pressure and has since hit hundreds of organizations across healthcare, legal, manufacturing, and local government sectors. Notable prior victims include numerous law firms, hospitals, and financial-services companies. Their standard playbook involves initial access through phishing, remote-desktop brute force, or stolen credentials, followed by rapid lateral movement, data exfiltration, and then dual extortion: threatening both encryption and public leaks. The group routinely sets short payment deadlines and follows through on data publication when demands are ignored.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup to remove what you can.
  • Rotate any password you ever used at Messner Reeves anywhere else it appears, and switch to 2FA through an authenticator app instead of text messages.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information surfaces you learn within hours rather than months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same breached email or address.
  • Let remediation specialists handle ongoing takedown requests across data brokers and extortion sites on your behalf.

The incident shows how quickly a single professional services breach can ripple into long-term identity risk for ordinary families. Acting early limits what criminals can build from the stolen files. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes children’s gaming accounts vulnerable to credential-stuffing attacks that follow leaks like this one.

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.

Check your exposure
messner.com is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed September 20, 2023
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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