Grupo NGN Listed by alphv Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

On 1 December 2022, the ransomware group alphv publicly listed Grupo NGN on its leak site, claiming it had exfiltrated internal files in a ransomware attack and was preparing to auction sensitive material. The number of people affected remains unknown, and independent confirmation of the full scope has not been published. What is known so far rests on the group’s own listing and the limited public reporting that followed.

The listing matters because alphv asserted it held not only Grupo NGN’s own records but also material tied to the organisation’s customers, including network access credentials and personal and financial data. Until more detail is verified, anyone who has dealt with Grupo NGN has reason to treat the claim seriously and to take basic protective steps.

Inside the incident

Public reporting dates the listing to 1 December 2022. According to the alphv post, the group had already taken internal files and was offering them at auction, with a stated end date of 8 December. The post claimed the material included access to multiple networks belonging to Grupo NGN clients, NDA documents and records of customer conversations, personal data about employees and customers, and financial information belonging to Grupo NGN. The group also asserted that password changes alone would not secure the affected client networks.

No independent verification of the volume of data, the precise method of intrusion, or whether a ransom was paid has been released in the available record. The number of individuals or organisations affected is undisclosed. The only concrete description of what was taken comes from the threat actor’s own claims on its leak site.

Inside alphv

alphv, also widely known in security reporting as BlackCat, is a ransomware operation that emerged in late 2021 and has operated on a ransomware-as-a-service model. Affiliates gain access to victim environments, exfiltrate data, deploy encryption, and then use dedicated leak sites to pressure organisations that do not pay. The group has been noted for using custom ransomware written in Rust and for publishing stolen data when negotiations stall or fail.

Listings on alphv’s site are claims by the group, not confirmed disclosures by the victim or by independent investigators. In this case the group stated that Grupo NGN had “refused to protect their customers’ data and access to their networks” and provided a Tor link purporting to contain sample files, with an auction deadline of 8 December for the full set of material. Those statements should be read as the actor’s assertions rather than established fact.

Grupo NGN and its sector

Grupo NGN appears in public references as a commercial organisation whose work involves clients and, according to the threat actor’s claims, access to client networks. Organisations of this type commonly hold contracts, correspondence, employee records, and technical or operational information about the companies they serve. When such a firm is listed in a ransomware incident, the potential exposure can extend beyond its own staff to the customers whose data or systems it touches.

A breach affecting a firm that manages or connects to client environments is consequential because it can create secondary risk: stolen credentials or network details may be reused against those clients, and confidential commercial or personal information may be misused for fraud, social engineering, or competitive harm. Public detail on Grupo NGN’s exact industry footprint and size is limited, so the precise reach of any exposure remains unconfirmed.

What data was at risk

The facts available name the exposed material only in general terms as internal files exfiltrated in a ransomware attack. The alphv listing itself claimed the haul included:

• Access to multiple networks of Grupo NGN clients
• NDA documents and records of Grupo NGN customers’ conversations
• Personal data about employees and customers of Grupo NGN
• Financial information of Grupo NGN

These categories are the group’s assertions. The exact contents, file counts, and whether every claimed category was in fact taken have not been independently confirmed. Organisations that handle client relationships and technical access typically store identity data, contact details, contractual documents, and sometimes credentials or network diagrams; any of those could be sensitive if exposed. Without a verified inventory, it is not possible to state with certainty what specific records left Grupo NGN’s control.

Why it matters

For individuals whose names, contact details, or financial information may have been held by Grupo NGN, the practical risks include targeted phishing, identity fraud, and misuse of personal or employment data. For client organisations, claimed network access material—if genuine—could enable further intrusion even after routine password changes, exactly as the threat actor alleged. For Grupo NGN itself, the incident carries operational, legal, and reputational consequences that depend on what was actually taken and how widely it spreads.

Because the scale remains unknown and the data types are described only through the actor’s claims, the prudent stance is to assume that sensitive internal and customer-related information may have been copied, while recognising that public confirmation is still limited.

If your data was in this claimed breach

If you have been an employee, customer, or client contact of Grupo NGN, treat the listing as a signal to tighten basic defences. Change passwords on related accounts, enable multi-factor authentication where available, and watch for unexpected messages that reference the company or your business relationship. Monitor financial statements and credit activity for unfamiliar transactions. Be cautious of anyone contacting you with urgent requests that rely on knowledge of internal or contractual details.

You can also run a free exposure scan of your email address to check whether your information has already appeared in known breach data sets. That check does not confirm or rule out involvement in this specific incident, but it can show whether your address is circulating in other documented leaks and help you prioritise further precautions.

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