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Recent Breaches › https://www.buf... Listed by lockbit2 Ransomware Group

HIGH severityUnverified claimHow we verify

https://www.buf... Listed by lockbit2 Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·September 23, 2021
https://www.buf... Listed by lockbit2 Ransomware Group

Reported September 23, 2021.

HIGH
Severity
September 23, 2021
Disclosed
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The https://www.buf... Listed by lockbit2 Ransomware Group (reported September 23, 2021) is an unverified claim; the data involved is undisclosed belonging to roughly unknown people. If you have an account with them, your information may now be circulating on the open web and with data brokers. Here’s exactly what happened, how to check if you were affected, and what to do next.

Severity & verification
HIGH severityUnverified claim
Data types not itemised.
Published on a ransomware group’s leak site — an unverified extortion claim until the named organization or credible reporting corroborates it.
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On September 23, 2021, the organization at https://www.buf... appeared on a leak site operated by the ransomware group lockbit2. The listing indicated that internal files had been taken during a ransomware incident, though the number of people affected and the precise contents of the data remain undisclosed in public reporting.

The incident is one of many claims made by ransomware operators that year. Without confirmation from the organization or independent verification of the files, the scope of any exposure stays unknown.

What happened

https://www.buf... was listed on the lockbit2 ransomware leak site on September 23, 2021. The group stated that internal data had been exfiltrated during a ransomware attack. No further details on the timing of the intrusion, the volume of data, or the method of initial access have been made public.

The number of individuals potentially affected is not reported. The organization has not issued a public statement confirming or denying the claims in available records.

Who is lockbit2?

Lockbit2 is a ransomware operation that has been publicly active since at least 2019. The group typically deploys encryption on victim systems and maintains a leak site where it lists organizations from which it claims to have stolen data. This approach, often called double extortion, pressures targets by threatening to publish stolen material if ransom demands are not met.

The group has been linked in public reporting to numerous incidents across multiple countries and sectors. Its listings represent claims by the operators rather than independently verified events unless corroborated by the affected organization or law enforcement.

https://www.buf... and its sector

Public information on the specific activities and size of https://www.buf... is limited in available records. Organizations of this type generally maintain internal records that can include operational documents, employee information, and communications.

A listing on a ransomware leak site draws attention because such entities often hold data that supports daily business functions. Any confirmed exposure would require the organization to assess what was taken and whether notification or remediation steps are warranted under applicable regulations.

What was likely exposed

The only detail provided is that internal files were claimed to have been exfiltrated. No inventory of specific data types, file categories, or record counts has been released.

Organizations in comparable positions commonly store documents related to operations, personnel, and business relationships. Until further disclosure occurs, the exact nature of any exposed material remains unconfirmed.

The real-world impact

Exposure of internal files can create risks such as unauthorized access to systems, misuse of operational details, or follow-on targeting of individuals referenced in the data. The absence of Reported Details on the number of people affected or the sensitivity of the files makes it difficult to quantify the scale of potential harm.

For the organization, the incident may trigger costs associated with investigation, system restoration, and any required regulatory notifications. Individuals whose information appears in the files could face secondary risks including targeted phishing or identity misuse, though these outcomes depend on the actual contents.

What to do if you're exposed

Monitor accounts for unusual activity and consider enabling multi-factor authentication where available. If personal contact details or credentials are known to be involved, change passwords and review statements from financial or government accounts.

Readers can check whether their email address appears in known breach datasets by using a free exposure scan service. Organizations should consult cybersecurity professionals for an assessment of any potential exposure.

AICompiled with AI assistance from public sources and published under our editorial standards.

Editorial & sourcing policy
Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

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Read GalaxyWarden’s full analysis of the https://www.buf... Listed by lockbit2 Ransomware Group →

Source: threat-actor leak-site listing

Publicly posted by lockbit — unverified claim, pending independent verification

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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