CSA Tax & Advisory
bd_8ceec48c1888bc5b · schema v1 · pii pii-v1
Full breach record for CSA Tax & Advisory →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Lynx on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
CSA Tax & Advisory is a licensed accounting firm based in Haverhill, MA, specializing in a wide range of services including personal financial planning, estate planning, and tax services. They cater to business owners, executives, and independent professionals, providing solutions for accounting, payroll, and tax problems. The firm is known for its professional and responsive service, ensuring each client receives personalized attention. With over 75 years of experience, CSA Tax & Advisory aims to help clients navigate complex tax laws and improve their financial well-being
Source provenance
- Source URL
- https://www.ransomware.live/id/Q1NBIFRheCAmIEFkdmlzb3J5QGx5bng=
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Dec 26, 2025
- Raw hash
- 56cbdc198383a5d8f615dc58eb730285005ccd7eee54279fe4faeadf5aab63bd
Reporting entity
- Name
- lynx
Victim entity
- Name
- CSA Tax & Advisorynorm: csa tax advisory
- Domain
- csataxadvisory.com
- Industry
- Financial Servicesllm
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· lynx
- Threat actor
- LynxExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.