China-linked hackers exploited Dell zero-day since 2024 (CVE-2026-22769)
A suspected China-linked cyberespionage group has been covertly exploiting a critical zero-day flaw (CVE-2026-22769) in Dell’s RecoverPoint for Virtual Machines software since at least mid-2024, according to new research from Google’s threat intelligence team and Mandiant. The attackers deployed stealthy backdoors (BRICKSTORM and GRIMBOLT), a webshell (SLAYSTYLE) and maintained long-term access inside targeted networks. “Beyond the Dell appliance exploitation, Mandiant observed the actor employing novel tactics to pivot into VMware virtual infrastructure, including the creation … More →
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