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

On 6 June 2025, the Brazilian domain rinaldi.com.br was listed by the stormous ransomware group as the target of a ransomware attack in which internal files were claimed to have been exfiltrated. Public reporting indicates the compromised material includes data relating to roughly 1,000 registered distributors and sellers, together with employee and customer information, administrative login passwords, email addresses, phone numbers and full names. The precise number of individuals affected has not been confirmed.

Because the listing originates from a threat actor’s leak site, the claims remain unverified by independent sources. Still, any confirmed exposure of credentials and personal contact details from a commercial organisation carries clear consequences for the people and partners whose information may now be in unauthorised hands.

Inside the incident

Public detail on the incident itself is limited. Reporting states only that rinaldi.com.br was listed by stormous on 6 June 2025 and that internal files were exfiltrated during a ransomware attack. No technical description of the intrusion method, the date of initial access, the duration of the attackers’ presence, or the total volume of data taken has been released. The number of people affected is recorded as unknown.

What has been publicly summarised is the claimed content of the stolen material: data belonging to 1,000 registered distributors and sellers, employee and customer information, admin login passwords, email addresses, phone numbers, full names, and additional unspecified items. Beyond that summary, no further inventory or sample of the files has been independently verified.

The group behind it: stormous

Stormous is a ransomware operation that follows the now-common double-extortion model: encrypting systems while also copying data and threatening to publish it if a ransom is not paid. Like other groups of this type, it maintains a leak site on which it posts the names of organisations it claims to have compromised, often accompanied by brief descriptions or samples of the stolen files. The listing of rinaldi.com.br is therefore a claim made by the group itself; it has not been independently confirmed as of the latest public reporting.

Publicly documented activity by stormous has typically involved opportunistic targeting of mid-sized commercial entities rather than high-profile critical infrastructure. The group’s communications and leak-site posts are usually concise, focusing on the volume or sensitivity of the data it says it holds. No additional statements from stormous specifically elaborating on the rinaldi.com.br incident beyond the basic listing and the summarised data categories have been reported.

rinaldi.com.br and its sector

rinaldi.com.br operates as a commercial entity serving a network of registered distributors and sellers. Organisations of this kind typically maintain databases of business partners, employee records, customer contact lists and administrative credentials needed to manage online portals or internal systems. In Brazil’s wholesale and distribution sector, such companies routinely hold personal identifiers, commercial terms and login details that allow remote access to order or inventory platforms.

A breach affecting a firm that sits between manufacturers and a large number of resellers is consequential because the same data set can expose both the company’s internal staff and its external commercial network. Compromised partner credentials or contact lists can be reused for further social-engineering or account-takeover attempts against those distributors and sellers.

What data was at risk

According to the reported summary associated with the listing, the exfiltrated internal files are said to contain data of 1,000 registered distributors and sellers, employee and customer information, administrative login passwords, email addresses, phone numbers, full names, and additional unspecified material. Exact file counts, database schemas or confirmation that every listed category was in fact taken remain undisclosed.

Organisations that manage distributor networks commonly store precisely these categories of information: contact details for sales partners, employee directories, customer records and privileged credentials for administrative systems. Until a fuller inventory is released or independently verified, however, the precise contents of the stolen files stay unconfirmed beyond the summary already published.

What's at stake

For individuals whose details appear in the claimed data set, the immediate risks are credential stuffing, phishing and identity-related fraud. Email addresses and phone numbers paired with full names enable highly targeted messages; administrative passwords, if reused elsewhere, can open further accounts. Distributors and sellers whose commercial information was included may face fraudulent orders, invoice scams or attempts to impersonate the company.

For rinaldi.com.br itself, the exposure of internal files can disrupt operations, damage trust with its partner network and create regulatory obligations under Brazilian data-protection rules. Even if systems are restored, the continued circulation of the exfiltrated material means the risk to affected people does not end with the initial incident.

Were you affected?

If you are an employee, customer, distributor or seller who has dealt with rinaldi.com.br, treat any unexpected password-reset messages or unusual contact as potentially linked to this event. Change passwords on any accounts that may have shared credentials with the company, enable multi-factor authentication wherever available, and monitor financial and email accounts for suspicious activity. Readers can also run a free exposure scan of their email address to check whether their information has already appeared in known breach data sets.

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