The Cactus ransomware gang has claimed responsibility for the cyberattack on French industrial giant Schneider Electric, disclosed at the end of January. Initially discovered on January 17, the incident impacted Schneider Electric's Sustainability Business division, leading to disrupted access to Resource Advisor and other divisional systems. While Schneider Electric has restored access to the affected systems, the attackers managed to exfiltrate certain data from the Sustainability Business division. Suspicions regarding the involvement of the Cactus ransomware group were confirmed when the gang listed Schneider Electric on its Tor-based leak website. According to Cactus, approximately 1.5 terabytes of data were stolen from Schneider Electric's systems. The ransomware group has published a small sample of the allegedly pilfered data, including copies of passports and non-disclosure agreements, and threatens to release all data unless a ransom is paid. Schneider Electric's Sustainability Business division provides sustainability consulting services to global organizations like Clorox, DHL, Hilton, and PepsiCo. However, the extent of the impact on these clients remains unclear. Operating since at least March 2023, Cactus gained notoriety in November when it was accused by security operations firm Arctic Wolf of exploiting vulnerabilities in a product of business analytics firm Qlik. The group has been observed exploiting Fortinet VPN flaws, establishing SSH backdoors for persistence, using remote access tools, stealing credentials, and encrypting data on accessible systems. With over 100 companies listed on its leak site, Cactus has remained highly active in recent months.
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