A-Plus Software Limited Data Breach

ShadowByt3$, a ransomware group, has added A-Plus Software Limited to its leak portal on August 25, 2026, as identified by SOCRadar Dark Web Monitoring. This UK-based software company is the second organization from the United Kingdom to be listed by this group within the same publication cycle, following Nottingham Trent University. This pattern suggests a potential, albeit nascent, targeting strategy by ShadowByt3$ towards UK technology firms and institutions. Given the group’s relatively small known victim count, definitive conclusions about their motives are premature, but the concentration of UK targets is noteworthy for continued observation. In the preceding 60 days, ShadowByt3$ has claimed a total of three other victims across the Education, Technology, and Agriculture and Food Production sectors. These prior victims were located in the United Kingdom and Indonesia, including Nottingham Trent University and Sinar Mas Agribusiness and Food Golden Agri-Resources. While A-Plus Software Limited aligns with the UK technology focus observed in this recent activity, the limited number of claims means that observed sector patterns should be considered provisional. Further activity from ShadowByt3$ will be necessary to confirm any established targeting trends.

SOCRadar’s query of stealer-log data for the domain “a-plussoft[.]com” yielded no records. It is important to note that this dataset is paginated and sampled, meaning that credentials may have been exposed through other feeds or associated with alternate domains or aliases not covered by the specific domain filtering applied. Therefore, the absence of findings in this particular query should not be interpreted as confirmation that the organization is unaffected. Continued monitoring of dark web and stealer-log feeds is recommended. The lack of direct telemetry in this instance does not rule out the possibility of a compromise. Infostealer-harvested credentials can be a significant enabler for ransomware operations, providing attackers with access to corporate accounts, VPNs, and remote-access portals. These compromised credentials can be validated and subsequently leveraged for initial access, leading to broader network intrusion and the deployment of ransomware. Given these potential attack vectors, organizations should maintain vigilant monitoring practices. The findings underscore the importance of ongoing threat intelligence and proactive security measures. Continued dark web and stealer-log monitoring is advised. Additionally, organizations should conduct proactive credential hygiene checks, including regular password rotation and multi-factor authentication reviews. Monitoring of Microsoft 365, VPN, and other remote-access activity for suspicious patterns is also crucial to detect and prevent potential intrusions.

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.