Acilab Data Breach

Acilab, a technology company based in Brazil, was recently listed as a victim on the Settra threat group’s dark web portal, with the listing published on July 16, 2026. This discovery was made through SOCRadar’s Dark Web Monitoring service. The incident places Acilab within the context of Settra’s ongoing campaign of leak-site activities targeting various regions and industries. Given the nature of ransomware operations, companies in the Technology sector, particularly those operating in regions with a history of cyber-attacks, can become attractive targets for extortion. In the 60 days preceding this listing, Settra claimed an additional 19 victims. The group predominantly targets the Business Services, Technology, and Consumer Services sectors, with a significant number of victims located in the United States, the United Kingdom, and Germany. Acilab’s listing aligns with this pattern as a Technology organization in Brazil. Other recent victims of Settra that share a similar profile to Acilab include Infinedi, Turbo Data Systems, Torsion Group, and Berg / Crushing Corporation of America.

SOCRadar’s analysis of stealer-log telemetry related to initial access revealed a limited exposure for the acilab.com domain. The queried dataset returned 25 records, all associated with acilab.com URLs. However, none of these records utilized a corporate email address, indicating that the exposure is primarily related to external users such as customers, partners, or visitors. This suggests a risk of customer account-takeover rather than direct compromise of corporate credentials or employee accounts within this specific telemetry slice. For ransomware operators like Settra, credentials harvested by infostealers represent a well-documented method for gaining initial access. Threat actors or initial access brokers often source these logs from underground marketplaces. They then validate the extracted corporate credentials and use them to access systems via Microsoft 365, VPNs, or remote-access portals before deploying ransomware. While the current stealer-log evidence does not definitively confirm that these specific credentials were used by Settra in this incident, the observed pattern is consistent with the typical attack chain for such operations. The exposed accounts and associated endpoints should be considered high-priority targets for immediate credential rotation and review. Further monitoring of dark web marketplaces and stealer-log feeds is recommended. Proactive checks of credential hygiene, multi-factor authentication configurations, and activity logs for Microsoft 365, VPNs, and remote-access solutions are advised to mitigate potential risks.

Disclaimer

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.