Nos********om.br Listed by cloak Ransomware Group

On July 7, 2025, Brazilian company Nos********om.br appeared on the leak site operated by the cloak ransomware group, which claims to have stolen and is prepared to publish the organization’s internal files.

Reported Details of the Incident

Public reporting indicates the company was listed on the cloak ransomware leak site with an announcement that internal data had been exfiltrated during a ransomware attack. The exact number of records exposed remains unknown, and the specific types of files have not been detailed beyond the group’s claim of “internal files.” No independent verification of the data volume or contents has been published as of the listing date. The incident follows the group’s standard pattern of breaching a target, exfiltrating information, and then posting evidence on their leak site when negotiations fail or deadlines pass.

Why This Matters for You and Your Family

When a company that holds customer, employee, or partner information suffers a breach, the consequences often reach far beyond the organization itself. If you have done business with Nos********om.br, your personal details may now sit in an attacker’s archive. Internal files frequently contain spreadsheets with names, addresses, phone numbers, email accounts, dates of birth, and sometimes government identification numbers. Once that information leaves the company’s control, it can be sold, traded, or used to launch targeted attacks against you and your family. Children’s records are especially vulnerable because parents often link family accounts, school logins, or gaming profiles to the same addresses and phone numbers listed in corporate databases.

The Doxxing and Identity-Chain Risks

A single breach rarely stops at one dataset. Attackers and subsequent buyers use leaked emails, usernames, and phone numbers to map connections across social media, gaming platforms, and data-broker profiles. This process, known as identity-chain mapping, can reveal your home address, family members’ names, and even children’s gaming accounts. Public reporting shows that credential leaks of this nature frequently cascade into account takeovers on Steam, Roblox, Discord, and other services where kids use the same or similar passwords. Once an attacker controls a child’s gaming account, they can harvest additional personal details, demand ransom from the family, or publish private conversations to amplify pressure.

Cloak Ransomware Group’s Known Track Record

Public reporting attributes the cloak ransomware group with emerging in late 2024. The group has targeted organizations across multiple countries, focusing on mid-sized companies whose data might include customer and employee records. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by exfiltration of internal files before deploying ransomware. If payment is not received by their deadline, they publish samples on their leak site and offer the full archive for sale. Past victims listed by the group include healthcare providers, logistics firms, and retail businesses, many of which later reported downstream fraud and identity theft incidents tied to the exposed data.

What to do

• Run a DoxxScan to map every link between your emails, phone numbers, usernames, and real-world identity so you can see exactly what chains back to this claimed breach.
• Rotate any password you used at Nos********om.br anywhere else it is reused, then enable two-factor authentication through an authenticator app rather than SMS.
• Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information surfaces you learn within hours instead of months.
• Cover the household with DoxxScan family protection that includes dependents and children’s gaming accounts, which often become the weakest link in doxxing chains.
• Let remediation specialists handle takedown requests across data brokers and leak sites while you focus on securing your own accounts.

The breach of Nos********om.br is a reminder that corporate data leaks quickly become personal threats. Acting quickly on exposed credentials and hidden connections can stop the chain before fraud or harassment begins. DoxxScan by GalaxyWarden delivers continuous monitoring across more than 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that explicitly protects children’s gaming accounts. Start your DoxxScan trial today and close the gaps attackers count on.