Zanichelli Data Breach

Zanichelli, an education sector company based in Italy, has been identified as a victim by the qilin ransomware group. The listing appeared on the group’s dark web portal on August 16, 2026, as detected by SOCRadar’s Dark Web Monitoring service. This incident places Zanichelli among an increasing number of organizations targeted by qilin, indicating the group’s consistent activity across various sectors and regions. The targeting of an education company aligns with qilin’s broader operational patterns. In the 60 days preceding this listing, qilin claimed 186 other victims. The group primarily targets the Manufacturing, Professional Services, and Business Services sectors, with a significant concentration of victims in the US, Germany, and France. Recent claims against entities like Loescher editore Torino, Mulino Padano, Coface, and FERRARI MANGIMI SRL demonstrate qilin’s extensive reach. The inclusion of Zanichelli is consistent with the group’s known interest in the education sector, suggesting a pattern of targeting organizations within this industry.

SOCRadar’s analysis of infostealer-harvested credentials associated with the domain www.zanichelli.it returned no records within the queried dataset. It is crucial to understand that a null result does not confirm the absence of a compromise. The query was limited to a paginated sample, and it is possible that all relevant logs were not included. Furthermore, credentials could exist under alternate corporate domains or personal email aliases used by Zanichelli employees, and such data might not have been indexed or may have been rotated prior to indexing. Therefore, CTI teams should not interpret this null query as conclusive evidence of the organization being unaffected. For ransomware operations, infostealer-harvested credentials are a well-established initial access vector. Threat actors or initial access brokers commonly source these credentials from underground marketplaces. They then validate the corporate credentials and use them to gain access to systems such as Microsoft 365, VPNs, or remote-access portals, paving the way for ransomware deployment. The lack of detected credentials in this specific query does not preclude such a scenario. It is possible that credentials surfaced in datasets beyond the scope of this investigation, were used and subsequently rotated before indexing, or were exfiltrated using personal email aliases. Consequently, continued monitoring and proactive credential hygiene measures are recommended rather than viewing a null query as a definitive clearance.

This report is intended for threat intelligence and security awareness purposes. SOCRadar does not host, redistribute or buy stolen data. All breach information reported here is collected from publicly accessible threat actor and ransomware portals. This content is intended to equip CTI teams with context around recent attacks. While we strive for accuracy, listings on ransomware leak and extortion sites cannot always be independently verified and may not reflect confirmed breaches. If you believe any data in this report is incorrect, please contact us.