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high severity March 18, 2023 · 3 min read Unverified claim — what this is

Kerber, Eck & Braeckel LLP Listed by alphv Ransomware Group

If you are a customer of Kerber, Eck & Braeckel LLP, here’s what is being claimed, and what it would mean for you.

ALL DATA IS AVAILABLE FOR DOWNLOADING!!!

— from Alphv’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.
Kerber, Eck & Braeckel LLP Listed by alphv Ransomware Group

On March 18, 2023, accounting firm Kerber, Eck & Braeckel LLP appeared on the leak site of the alphv ransomware group. The listing states that internal files were exfiltrated during a ransomware attack and declares that ALL DATA IS AVAILABLE FOR DOWNLOADING. The firm has not publicly quantified how many individuals or records are affected.

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Primary Disclosure Details

The alphv leak page, still accessible via the onion address http://alphvmmm27o3abo3r2mlmjrpdmzle3rykajqc5xsj7j7ejksbpsa36ad.onion/73b487af-c63e-4a27-b3ad-5e0497450fd3, claims the attackers obtained sensitive internal documents from the Illinois-based CPA and advisory firm. No specific volume of records or list of data types is itemized beyond the blanket statement that all exfiltrated material is now posted for anyone to download. The disclosure does not name individual clients or employees, yet the nature of an accounting firm’s internal files means tax returns, financial statements, Social Security numbers, and business records are likely present. Public reporting on alphv indicates the group typically posts compressed archives that victims and researchers can freely retrieve until the site is taken down.

Why This Matters for You and Your Family

If you or your family worked with Kerber, Eck & Braeckel LLP as a client, employee, or vendor, your personal and financial information may now sit in an openly downloadable archive. Tax documents, bank details, and Social Security numbers exposed in such leaks are routinely sold or used to file fraudulent returns, open accounts in your name, or pressure you for payment. Even if the firm has not yet contacted you, the absence of a confirmed record count in the disclosure means you cannot assume your information is safe. Ordinary families who used the firm for routine accounting, payroll, or tax preparation face the same downstream risks as large corporate clients.

Doxxing and Identity-Chain Risks

Once internal files leave a company network, attackers and opportunistic criminals begin linking the data to other stolen records. An email address from one document can be matched to a password from an earlier breach; a home address can be tied to children’s names or gaming usernames. These identity chains allow doxxing that escalates from financial fraud to harassment, SIM-swapping, or targeted extortion. Credential leaks like this one frequently cascade into account takeovers on personal email, banking, and gaming platforms. Children’s gaming accounts are especially vulnerable because parents often reuse passwords or security questions derived from tax forms and employment records now circulating.

Alphv Group Track Record

Public reporting attributes the alphv ransomware operation, also known as BlackCat, to a group that emerged in late 2021 after the shutdown of the REvil gang. The actors have targeted hospitals, law firms, manufacturing companies, and professional-services businesses across the United States and Europe. Their typical playbook involves initial access through compromised credentials or vulnerable remote-desktop services, followed by extensive internal reconnaissance, data exfiltration, and then dual extortion: demanding ransom to decrypt systems and a second payment to prevent publication of stolen files. The March 2023 listing of Kerber, Eck & Braeckel fits this pattern exactly, with the group giving the victim a short window to pay before releasing the archive.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup of Warden to remove what you can.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you ever used at Kerber, Eck & Braeckel LLP or related accounting portals, replace it with a unique passphrase, and secure the account with an authenticator app instead of SMS.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often chain back to the same leaked address or parent email.
  • Let remediation specialists handle ongoing takedown requests for any personal records that surface on data-broker or extortion sites.

The alphv listing of Kerber, Eck & Braeckel LLP is a concrete reminder that professional-services data breaches quickly become personal problems for every client and employee involved. Acting quickly on the credentials and documents already circulating can limit how far the identity chain grows. 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 explicitly includes children’s gaming accounts vulnerable to the same credential-stuffing attacks. Start your DoxxScan trial today and treat this claimed breach as the warning it is.

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 the filing does not enumerate what was exposed
Disclosed March 18, 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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