The Structures Group Listed by sinobi Ransomware Group

On January 5, 2026, The Structures Group appeared on the leak site of the sinobi ransomware group. The consulting engineering firm, which handles structural engineering, special inspections, forensic analysis, and risk assessments for healthcare, education, justice, and other facilities, is claimed to have had internal files exfiltrated during a ransomware attack. While the exact number of people whose information may have been exposed remains unknown, any client, employee, vendor, or partner whose records were stored in those systems could now be at risk.

What's Publicly Reported from Reporting

Public reporting indicates that sinobi listed The Structures Group on its dark-web leak page and claims to have stolen internal documents. The firm specializes in independent review plans, due diligence, and structural integrity work across commercial, residential, and institutional projects. No confirmed total of records or specific data fields has been published, but ransomware incidents of this type routinely expose names, addresses, contact details, contracts, project files, and sometimes employee or client personal information. The listing appeared on the sinobi leak site hosted at an onion address tracked by ransomware.live.

Why This Matters for You and Your Family

When an engineering firm like The Structures Group suffers a breach, the information exposed often includes details that connect back to ordinary people. If you or your family have lived or worked in buildings they inspected, hired them for a home addition, or been part of a project they reviewed, your name, address, phone number, or email could be among the files now in attackers’ hands. Internal files exfiltrated in ransomware attacks frequently contain spreadsheets, PDFs, and databases that map real people to real properties. Once that data circulates, it can be sold, combined with other leaks, and used for identity theft, phishing, or harassment. Your family does not need to be the primary target for your information to become part of a larger data set available to criminals.

The Doxxing and Identity-Chain Implications

Leaked internal files rarely stay isolated. A single address, email, or project reference can link your professional identity to your home, your children’s schools, or even family members’ names. Attackers chain these fragments together: an engineering report might list a homeowner’s email, which matches a credential from an earlier breach, which then reveals a gaming username. This creates a doxxing chain that can lead to account takeovers, swatting, or targeted scams. Credential leaks like this one routinely cascade into gaming account compromises because the same email and password combinations are reused across work, personal life, and children’s online profiles.

Sinobi Ransomware Group Track Record

Public reporting attributes the sinobi ransomware group with emerging in late 2024 or early 2025. The group has claimed responsibility for attacks on various mid-sized companies, often in professional services and manufacturing sectors. Their typical playbook involves gaining initial access through phishing or exploited remote desktop services, exfiltrating data before encrypting systems, and then publishing samples on their leak site when victims do not pay the demanded ransom. They follow a double-extortion model: demanding payment to prevent data release and offering a deadline before files are fully published or sold. Exact prior victim counts remain unclear from open sources, but their leak site shows a steady stream of new listings.

What to do

• Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
• Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your information is caught in hours rather than months.
• Rotate any password you used at The Structures Group or any related vendor account, then replace it with a unique passphrase and enable 2FA through an authenticator app everywhere that same password was reused.
• Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts, which often chain back to the same addresses or parent emails exposed in professional breaches.
• Let remediation specialists handle takedown requests across data brokers and exposed profiles while you focus on securing accounts and monitoring for suspicious activity.

The incident shows how quickly professional services data can reach criminal marketplaces and fuel larger identity chains. Taking concrete steps now limits how far your information can travel. DoxxScan by GalaxyWarden provides continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping that connects online handles to real identities, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts vulnerable to credential-based takeovers. Starting protective measures promptly gives you and your family a practical advantage against the expanding ripple effects of this and future leaks.