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Recent Breaches › Advanced Power Listed by akira Ransomware Group

HIGH severityUnverified claimHow we verify

Advanced Power Listed by akira Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·November 11, 2025
Advanced Power Listed by akira Ransomware Group

Reported November 11, 2025.

HIGH
Severity
November 11, 2025
Disclosed
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Advanced Power was listed by the Akira ransomware group on November 11, 2025, after internal files were exfiltrated in a ransomware attack. The number of people affected is not yet known; anyone who may have had data held by the company should review their accounts and monitor for unusual activity.

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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When a ransomware group claims to have taken internal files from a company, the people most immediately at risk are often the employees whose personal records sit inside those systems. For Advanced Power, a Boston-based energy firm, the listing by the akira group raises the possibility that driver’s licenses, tax forms, and other staff details could surface online. Public detail remains limited, yet the practical stakes for anyone whose information may have been involved are clear: identity documents and financial records can be misused long after the initial incident.

The group asserts it holds roughly 51 GB of corporate data and is prepared to publish it. Whether that claim is accurate has not been independently confirmed, and the number of people affected is unknown. What is known is that the listing appeared on 11 November 2025 and that the material described includes employee personal information alongside financial and contractual files.

What happened

On 11 November 2025, Advanced Power appeared on the leak site operated by the akira ransomware group. The group stated that it had exfiltrated internal files during a ransomware attack and was ready to upload 51 GB of corporate data. The listing specifically mentions employee personal information such as driver’s licenses and W-9 forms, detailed financials, confidential files, contracts, agreements, and NDAs. No further technical details about how the intrusion occurred, when it began, or whether systems were encrypted have been made public. The total number of individuals whose data may be involved remains undisclosed.

Because the information originates from the group’s own claim, it should be treated as unverified until corroborated by the company or independent investigators. At present, public reporting consists of the leak-site entry and basic organisational descriptors; no official confirmation or denial from Advanced Power has been included in the available record.

Inside akira

Akira is a ransomware operation that has been active since early 2023. Like many modern groups, it typically combines encryption of victim systems with data theft, then threatens to publish the stolen material if a ransom is not paid. The group maintains a dark-web leak site where it posts victim names, sample files, and countdown timers. Public reporting has linked akira to attacks across manufacturing, professional services, and critical-infrastructure sectors in North America and Europe. Its operators have been observed using compromised credentials, exploiting unpatched remote-access software, and moving laterally once inside a network. The group’s communications are usually conducted in English and Russian, and it has claimed responsibility for dozens of incidents since its emergence. None of these general patterns, however, confirm the specific methods used against Advanced Power; those details remain undisclosed.

About Advanced Power

Advanced Power is described as an electric-power-generation, energy, utilities and waste-treatment company based in Boston, Massachusetts. Public records place its annual revenue at approximately $7.3 million and its workforce at 133 employees. Organisations of this type manage generation assets, grid-related operations, and regulatory compliance documentation. They routinely hold employee personnel files, vendor contracts, financial statements, and operational data that can include facility layouts or supply-chain details. A breach at such a firm is consequential because energy-sector companies sit at the intersection of critical infrastructure and personal employment records; disruption or exposure can affect both day-to-day operations and the privacy of staff and business partners.

What was likely exposed

The only data types named in the available record are those listed by the group itself: employee personal information (driver’s licenses, W-9 forms and similar documents), detailed financials, confidential files, contracts, agreements, and NDAs. The group claims the total volume is 51 GB of corporate data. Exact contents have not been independently verified, and no inventory of specific files has been released by the company. Organisations in the energy and utilities sector typically maintain payroll records, tax forms, health-benefit information, vendor agreements, and operational documentation. Whether any of those additional categories were present in the claimed archive is unconfirmed. Readers should therefore treat the group’s description as an allegation rather than established fact.

What's at stake

For employees, the presence of driver’s licenses and W-9 forms raises concrete risks of identity theft, tax fraud, and unauthorised account openings. Once such documents circulate, individuals may face months of credit monitoring and document re-issuance. For the company, exposure of contracts, NDAs, and financial statements can undermine negotiating positions, reveal pricing or supplier terms, and create regulatory scrutiny under data-protection and critical-infrastructure rules. Even if systems were not encrypted, the mere claim of exfiltration can damage trust with partners and employees. Because the number of affected people is unknown, the full scale of personal impact cannot yet be measured; the prudent assumption is that any staff member whose records were stored on corporate systems could be involved.

Were you affected?

If you are a current or former employee or contractor of Advanced Power, treat the claim seriously until more information appears. Monitor bank and credit accounts for unexpected activity, place fraud alerts with the major credit bureaus if you have reason for concern, and consider requesting free annual credit reports. Change passwords on any work-related accounts that may have been reused elsewhere, and enable multi-factor authentication wherever possible. Keep copies of any official notices the company may issue. Readers can also run a free exposure scan of their email address to check whether their information has already surfaced in known breach data sets. Remain cautious of phishing messages that reference the incident and request personal details; legitimate communications will not ask for passwords or full Social Security numbers via email.

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

CompanyAdvanced Power security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See Advanced Power’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by akira — 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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