SistNet Listed by nova Ransomware Group

On July 25, 2026, Sistnet, a division of Sistemi Tre s.r.l., was listed on the leak site of the nova Ransomware Group. The Italian ICT provider, which sells EDR-X antivirus, networking, unified communications, cloud backup, and email services to small and medium-sized enterprises, is claimed to have had internal files exfiltrated during a ransomware attack. The nova leak site does not specify the number of records affected or detail the exact contents of the stolen data.

Reported Details from the Listing

The primary disclosure on the nova leak site states that Sistnet suffered a ransomware incident and that attackers successfully exfiltrated internal files. No victim count is provided, and the listing does not quantify the volume or specific categories of data taken. The notification confirms the attack type as ransomware with subsequent data extortion. Public access to the sample files or full dataset remains controlled by the threat actors as of the listing date.

Why This Matters for You and Your Family

When a cybersecurity company like Sistnet is breached, the ripple effects reach far beyond their corporate clients. Many small businesses, schools, and even individual customers entrust Sistnet with credentials, contact details, and technical configurations that can be repurposed against ordinary people. If your employer, school, or service provider uses Sistnet’s solutions, your personal or household information may now sit in an attacker’s archive. The disclosure indicates that internal files were taken; in similar incidents this has often included customer databases, support tickets, and email correspondence containing names, addresses, phone numbers, and account details.

The Doxxing and Identity-Chain Risk

Exposed internal files from an ICT provider frequently contain spreadsheets that link business emails to personal accounts, support logs with phone numbers, and configuration files that reveal remote-access details. These fragments allow attackers to build identity chains that connect your work email to your personal accounts, gaming usernames, and family members. Once mapped, the same credentials are tested across consumer services, turning a corporate breach into household compromise. Credential leaks of this nature regularly cascade into account takeovers on Microsoft 365, gaming platforms, and personal email, exposing children’s gaming accounts that often reuse passwords or recovery addresses tied to the family.

Nova Ransomware Group Track Record

Public reporting attributes nova as a relatively new ransomware-as-a-service operation that emerged in late 2024. The group is known for targeting mid-sized European companies in technology, manufacturing, and professional services. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by deployment of ransomware, exfiltration of internal files, and dual extortion: demanding payment to prevent file encryption and threatening to publish stolen data on their leak site. Notable prior victims listed on their portal have included European MSPs and software firms, with public reporting indicating they often provide proof-of-compromise samples before escalating pressure through countdown timers.

What to do

• Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity, including no-subscription cleanup of exposed records.
• Rotate any password you have ever used at Sistnet or Sistemi Tre anywhere it is reused, and immediately enable 2FA through an authenticator app rather than SMS.
• Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours instead of months.
• Cover the entire household — DoxxScan family coverage includes dependents and your children’s gaming accounts that often chain back to the same addresses and recovery details.
• Let remediation specialists handle data-broker takedown requests and opt-out processes that would otherwise consume weeks of your time.

The incident underscores that even companies whose business is selling cybersecurity are not immune to determined attackers. Protecting yourself requires more than hoping the next breach misses your household. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping that connects disparate handles to real identities, and hands-on remediation specialists who manage takedowns for you and your family, including children’s gaming accounts vulnerable to credential-stuffing attacks that follow incidents like this one.