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high severity April 25, 2024 · 3 min read Unverified claim — what this is

Bitfinex Listed by flocker Ransomware Group

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

To the executives of Bitfinex, We have successfully breached your security measures and obtained critical data from your servers. This

— from Flocker’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.
Bitfinex Listed by flocker Ransomware Group

On April 25, 2024, cryptocurrency exchange Bitfinex appeared on the leak site operated by the Flocker ransomware group. The listing states that the attackers successfully breached Bitfinex security measures and exfiltrated critical internal files during a ransomware incident. The disclosure does not specify the number of records affected or detail the exact contents of the stolen data.

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Primary Disclosure Details

The Flocker leak site posting, accessible via the .onion address hosted on ransomware.live, directly addresses Bitfinex executives and claims the group obtained data from the company’s servers. The listing does not quantify the volume of data taken, name specific file types beyond “internal files,” or provide a public ransom demand or deadline. Public reporting on similar Flocker postings indicates that samples or proof files are sometimes released to pressure victims, though none are explicitly referenced in this entry. The incident is classified as a ransomware attack involving both encryption and data exfiltration for extortion.

Why This Matters for You and Your Family

When a major cryptocurrency platform like Bitfinex suffers a breach, anyone who has ever held an account there, traded on the exchange, or used associated services faces heightened risk. Internal files can contain customer email addresses, phone numbers, partial KYC details, transaction histories, and support ticket information. Even if your full financial records were not taken, the exposure of contact and identity data creates long-term privacy and fraud risks for you and your family. Credential material or support correspondence leaked from such incidents often surfaces later on underground forums, enabling account takeover attempts on other services where you reuse the same email or password.

Doxxing and Identity-Chain Implications

Stolen internal files rarely exist in isolation. A single email address or phone number extracted from Bitfinex can be correlated with your activity on gaming platforms, social media, shopping sites, and family accounts. Attackers chain these data points to build a complete profile, leading to doxxing, targeted phishing, or SIM-swapping attacks. Children’s gaming accounts linked to a parent’s breached email are especially vulnerable because gaming platforms often rely on the same credentials or recovery addresses. The result is an expanding web of exposure that can affect every member of the household long after the initial breach is forgotten.

Flocker Group Track Record

Public reporting attributes the emergence of the Flocker ransomware group to late 2023. The actors have targeted organizations across multiple sectors, with a focus on companies holding valuable proprietary or customer data. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by lateral movement, data exfiltration, and deployment of ransomware. After encryption, they extort victims by threatening to publish stolen files on their leak site if payment is not made. The group’s postings consistently emphasize “critical data” obtained from servers, matching the language used in the Bitfinex listing.

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 any password you used at Bitfinex or any associated service, then enable 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 chain back to the same addresses or recovery emails.
  • Let remediation specialists manage takedown requests for any exposed personal information appearing on data broker sites or underground forums.

The Bitfinex listing is a reminder that even well-known platforms can lose control of internal data with direct consequences for ordinary users and their families. Staying ahead requires more than changing one password. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, including household coverage that protects children’s gaming accounts from cascading takeovers. Start your DoxxScan trial today and close the gaps before the next leak appears.

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
Bitfinex is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

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Report details & sourcing

Severity High
Disclosed April 25, 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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