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Recent Breaches › lbreng.com.br Listed by lockbit5 Ransomware Group

HIGH severityUnverified claimHow we verify

lbreng.com.br Listed by lockbit5 Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·May 20, 2026
lbreng.com.br Listed by lockbit5 Ransomware Group

Reported May 20, 2026.

HIGH
Severity
May 20, 2026
Disclosed
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lbreng.com.br was listed by the LockBit5 ransomware group on May 20, 2026, with internal files reported as exfiltrated. Individuals connected to the organisation should check whether their data was exposed and take appropriate protective steps.

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 May 20, 2026, the ransomware group lockbit5 listed lbreng.com.br on its leak site. The entry states that internal files were exfiltrated during a ransomware attack against the organization. No figure has been released for the number of individuals affected, and no further details on the volume or specific contents of the files have been made public.

Breaking down the breach

The incident record shows only that lbreng.com.br was added to the group’s listing on the reported date. The summary describes the event as a ransomware attack in which internal files were removed from the company’s systems. Timing of the initial intrusion, the method of access, and any ransom demand or payment remain undisclosed in the available information. The number of records or files involved is also not stated.

Who is lockbit5?

LockBit, sometimes referenced in variant forms such as lockbit5, is a ransomware-as-a-service operation that has been active since at least 2019. The group supplies encryption tools to affiliates who carry out intrusions, then posts victim names on a dedicated leak site when data is not returned or a ransom is unpaid. Its listings function as public claims of compromise rather than independently verified incidents. The group has previously targeted organizations across multiple sectors and countries, relying on double-extortion tactics that combine file encryption with the threat of data publication.

About lbreng.com.br

LBR Engenharia, operating as lbreng.com.br, is identified as a consulting and engineering firm focused on technical solutions. Organizations in this sector routinely manage project documentation, client specifications, design files, and correspondence that can span years of work. A listing of this type draws attention because engineering consultancies often hold information that relates to infrastructure, regulatory compliance, or commercial contracts, even when the precise data types remain unconfirmed.

The information in question

The only detail supplied is that internal files were allegedly exfiltrated. No inventory of file categories, no confirmation of personal data, and no statement on whether customer records, financial information, or technical drawings were among the materials have been released. In the absence of a published list, the exact nature of the exposed content stays unconfirmed.

Why it matters

For individuals or entities that have engaged LBR Engenharia, the exposure of internal files could lead to secondary risks such as the misuse of project details or contact information. For the organization itself, the incident adds operational and reputational considerations typical of ransomware events, including potential disruption to ongoing work and the need to review access controls. Because the scale and contents remain unspecified, the practical impact on any single person cannot yet be quantified from public records.

Were you affected?

Individuals concerned about possible exposure can begin by monitoring their email accounts and financial statements for unusual activity. Checking whether an email address appears in known breach datasets through a free exposure scan provides one initial step. Organizations and clients may also review any direct communications from LBR Engenharia regarding the incident once further information is released.

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

Company

Attributed to

Method

Companylbreng.com.br security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See lbreng.com.br’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by lockbit5 — 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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