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high severity October 17, 2023 · 3 min read Unverified claim — what this is

Catarineau & Givens P.A. FULL LEAK! Listed by alphv Ransomware Group

If you are a customer of Catarineau & Givens P.A., here’s what is being claimed, and what it would mean for you.

30 GB of corporate and personal client files exfiltrated (criminal records, SSN, DL photos, sex offender records, legal cases, W-4, W-9, corporate clients' financial statements & tax returns statements) Catarineau & Givens offers accounting, bookkeeping, employee benefits, consulting, retirement planning, audits, and taxation services. Think twice before using their services.They did nothing to protect your data.

— 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.
Catarineau & Givens P.A. FULL LEAK! Listed by alphv Ransomware Group

On October 17, 2023, the law firm Catarineau & Givens P.A. appeared on the leak site of the alphv ransomware group with a full 30 GB data dump. Anyone who has used the firm’s accounting, bookkeeping, tax preparation, retirement planning, or audit services may have had highly sensitive personal and financial documents stolen.

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Primary Disclosure Details

The alphv leak-site listing states that internal files were exfiltrated during a ransomware attack. It explicitly lists 30 GB of corporate and personal client files that include criminal records, Social Security numbers, driver’s license photos, sex offender records, legal case files, W-4 and W-9 forms, corporate clients’ financial statements, and tax returns. The disclosure does not quantify the exact number of affected individuals. The firm provides accounting, bookkeeping, employee benefits consulting, retirement planning, audits, and taxation services; the listing makes clear that client data from these activities was taken.

Why This Matters for You and Your Family

If your tax returns, W-4, W-9, Social Security number, or driver’s license image passed through Catarineau & Givens, that information may now be in the hands of criminals. SSNs, tax documents, and financial statements are the raw material identity thieves need to file fraudulent returns, open accounts in your name, or impersonate you to creditors and government agencies. Criminal records or sex-offender data, even if they do not belong to you, can be used to harass or embarrass family members. Because the firm also serves corporate clients, small-business owners may find their company financials exposed alongside personal data, creating overlapping risks for both household and business identities.

Doxxing and Identity-Chain Implications

A single breach like this rarely stays isolated. Criminals routinely cross-reference leaked SSNs, emails, and addresses with data from earlier breaches to build complete identity profiles. One exposed tax return can link your name to every address you have lived at, every dependent listed, and every account number that appears on a W-2 or 1099. Those links then cascade into gaming accounts, social-media handles, and family-shared logins. Children’s accounts are especially vulnerable because parents often reuse credentials or store them in the same compromised environments. The result is a doxxing chain that can expose your home address, phone numbers, and children’s online identities within weeks.

Alphv Group Track Record

Public reporting attributes the alphv ransomware operation, also known as BlackCat, with emerging in late 2021. The group has targeted hospitals, law firms, manufacturing companies, and professional-services providers. Their typical playbook begins with initial access gained through phishing, remote-desktop compromise, or stolen credentials, followed by exfiltration of sensitive files before encryption. They then publish samples or full datasets on their leak site when victims refuse to pay, applying dual pressure through both data exposure and operational disruption. The Catarineau & Givens listing follows this exact pattern.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by Warden specialists.
  • Rotate every password you ever used at Catarineau & Givens anywhere it has been reused 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 leak that touches your family is caught in 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 exposed address or credentials.
  • Let remediation specialists handle data-broker takedown requests and opt-out processes that would otherwise require hundreds of manual letters and follow-ups.

The breach of Catarineau & Givens P.A. is a reminder that even professional-service providers can fail to protect the sensitive documents you entrust to them. Acting quickly on the credentials and documents now circulating can limit how far criminals get with your data. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Start your DoxxScan trial today and close the gaps before the next wave of fraud begins.

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value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
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Found in breach recordsverifiedreported — unverified

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

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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed October 17, 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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