Grupo San Jacinto Listed by The Gentlemen Ransomware Group

On March 9, 2026, the ransomware group known as thegentlemen added Grupo San Jacinto to its leak site, claiming that internal files had been exfiltrated from the Mexican dairy company.

Reported Details of the Breach

Public reporting indicates the incident began as a ransomware attack on sanjacinto.com.mx. The attackers extracted internal files before encrypting systems or threatening to publish them. As of the listing date, thegentlemen had not publicly disclosed the exact volume of data or the number of people affected. Available reporting describes the company as a family-oriented dairy producer based in Aguascalientes, Mexico, that supplies markets in both Mexico and the United States. No customer records, payment card details, or medical information have been explicitly confirmed in the initial leak notice.

Why This Matters for You and Your Family

When a company that makes everyday products like milk, cheese, and yogurt suffers a breach, your family’s information may be exposed even if you never shopped with them directly. Suppliers, delivery drivers, contest entrants, employees, and anyone whose contact details ever touched the business can find their names, emails, phone numbers, or addresses in stolen files. Once that data reaches dark-web markets, it can be bought cheaply and used for phishing, identity theft, or harassment. Internal files exfiltrated often contain spreadsheets that link personal details to home addresses, making it easier for criminals to target you or your children.

The Doxxing and Identity-Chain Risks

Stolen internal files rarely stay isolated. A single email address from this claimed breach can be cross-referenced with credentials leaked in earlier incidents, creating an identity chain that reveals your username on social media, your children’s gaming accounts, and even your physical location. Criminals follow these chains to doxx individuals, hijack accounts, or launch extortion campaigns. Credential leaks like this one frequently cascade into gaming account takeovers because kids often reuse simple passwords across school email, parent portals, and Roblox or Fortnite accounts tied to the same household address.

thegentlemen’s Known Track Record

Public reporting attributes the group’s emergence to 2024. It has since listed dozens of organizations, typically small-to-medium businesses across North America and Latin America. Notable prior victims include regional manufacturers, logistics firms, and professional service providers. The group’s standard playbook involves initial access through phishing or exploited remote desktop services, followed by claimed exfiltration of internal documents, deployment of ransomware, and dual extortion: demanding payment to decrypt systems while threatening to publish stolen files on their leak site if the ransom is not paid by their deadline.

What to do

• Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity so you can see exactly what this claimed breach connects to.
• Rotate any password you used at Grupo San Jacinto or any supplier tied to them, then enable 2FA through an authenticator app instead of text messages.
• Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information appears it is caught within hours rather than months.
• Cover the household with DoxxScan family protection that extends to your children’s gaming accounts and any other logins chained to your home address.
• Let remediation specialists handle takedown requests across data brokers and leak sites while you focus on securing your own accounts.

The speed with which ransomware groups publish stolen data continues to shrink. Protecting your family now requires more than changing a few passwords; it demands visibility into how one breach can quietly feed the next. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Starting early limits the damage from incidents like the Grupo San Jacinto breach before criminals can build the full chain.