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high severity March 19, 2024 · 3 min read Unverified claim — what this is

Accipiter Capital Management, LLC Listed by medusa Ransomware Group

If you are a client of Accipiter Capital Management, LLC, here’s what is being claimed, and what it would mean for you.

Accipiter Capital Management, LLC was listed on Medusa's leak site. Medusa claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Accipiter Capital Management, LLC Listed by medusa Ransomware Group

On March 19, 2024, Accipiter Capital Management, LLC appeared on the Medusa ransomware group's leak site, claiming the firm suffered a ransomware attack in which internal files were exfiltrated. The disclosure indicates that anyone whose personal or financial information was stored in those files now faces heightened risk of identity theft and targeted fraud.

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Reported Details from the Listing

The Medusa leak site lists Accipiter Capital Management as a victim and states that internal files were exfiltrated during a ransomware incident. The entry does not specify the volume of data taken, the exact types of records involved, or any ransom demand. Accipiter, a registered investment adviser based in Palm Beach Gardens, Florida, has managed client assets since 2012 and operates in Florida, New Jersey, and New York. The leak-site record itself provides no further technical details about initial access method or exfiltration date.

Why This Matters for You and Your Family

If you or any member of your family has a relationship with Accipiter Capital Management, your financial records, account statements, tax documents, or personal identifiers may now sit in an attacker-controlled archive. Ransomware operators routinely publish or sell such data when victims refuse to pay, turning private client information into public ammunition for identity thieves. Even without exact record counts, the exposure of internal files from a regulated advisory firm creates concrete risk for anyone whose data was held there.

Doxxing and Identity-Chain Risks

Stolen internal files often contain more than account numbers. They can link names, addresses, Social Security numbers, email accounts, phone numbers, and sometimes spouse or dependent details. Attackers and subsequent buyers stitch these fragments into full identity profiles that enable account takeovers, loan fraud, and persistent harassment. Credential leaks from such incidents frequently cascade into gaming platforms, where children’s accounts become entry points for further doxxing chains that expose household addresses and family relationships.

Medusa Ransomware Group's Track Record

Public reporting attributes Medusa with emerging in mid-2023 as a ransomware-as-a-service operation that combines double-extortion tactics with aggressive data publication. The group has targeted organizations across sectors, often listing victims on its onion site when negotiations fail. Typical playbooks begin with phishing or exploited remote desktop credentials, followed by domain-wide exfiltration before encryption. Medusa then pressures victims through both file encryption and selective leaks of sensitive internal documents, a pattern consistent with the Accipiter listing.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, including cleanup of exposed records.
  • Rotate any password you have used at Accipiter Capital Management or related financial portals anywhere it is 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 surfaces in hours instead of 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 credentials.
  • Let remediation specialists handle ongoing takedown requests across data brokers and leak sites on your behalf.

The incident underscores how quickly financial-advisory data can move from a regulated filing cabinet to a criminal marketplace. Starting proactive defense now limits how far attackers can travel down the identity chain. 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. Source: Medusa leak site via ransomware.live

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

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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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