An active campaign has been observed targeting internet-exposed instances running ComfyUI, a popular stable diffusion platform, to enlist them into a cryptocurrency mining and proxy botnet. “A purpose-built Python scanner continuously sweeps major cloud IP ranges for vulnerable targets, automatically installing malicious nodes via ComfyUI-Manager if no exploitable node is already
Researchers have demonstrated that GPU Rowhammer attacks can be used to escalate privileges. The post GPUBreach: Root Shell Access Achieved via GPU Rowhammer Attack appeared first on SecurityWeek.
When talking about credential security, the focus usually lands on breach prevention. This makes sense when IBM’s 2025 Cost of a Data Breach Report puts the average cost of a breach at $4.4 million. Avoiding even one major incident is enough to justify most security investments, but that headline figure obscures the more persistentRead More »The Hidden Cost of Recurring Credential Incidents
The group is using zero-days, quickly weaponizes fresh bugs, and exfiltrates and encrypts data within days of initial access. The post Medusa Ransomware Fast to Exploit Vulnerabilities, Breached Systems appeared first on SecurityWeek.
According to a new law, the Hong Kong police can demand that you reveal the encryption keys protecting your computer, phone, hard drives, etc.—even if you are just transiting the airport. In a security alert dated March 26, the U.S. Consulate General said that, on March 23, 2026, Hong KongRead More »Hong Kong Police Can Force You to Reveal Your Encryption Keys
Shchukin is accused of extorting more than $2 million as the head of the GandCrab and REvil ransomware operations. The post German Police Unmask REvil Ransomware Leader appeared first on SecurityWeek.
New academic research has identified multiple RowHammer attacks against high-performance graphics processing units (GPUs) that could be exploited to escalate privileges and, in some cases, even take full control of a host. The efforts have been codenamed GPUBreach, GDDRHammer, and GeForge. GPUBreach goes a step further than GPUHammer, demonstrating for the first time that
A China-based threat actor known for deploying Medusa ransomware has been linked to the weaponization of a combination of zero-day and N-day vulnerabilities to orchestrate “high-velocity” attacks and break into susceptible internet-facing systems. “The threat actor’s high operational tempo and proficiency in identifying exposed perimeter assets have proven successful, with recent
The high-end casino and hotel operator has likely paid a ransom to avoid a data leak. The post Wynn Resorts Says 21,000 Employees Affected by ShinyHunters Hack appeared first on SecurityWeek.
Threat actors are exploiting a maximum-severity security flaw in Flowise, an open-source artificial intelligence (AI) platform, according to new findings from VulnCheck. The vulnerability in question is CVE-2025-59528 (CVSS score: 10.0), a code injection vulnerability that could result in remote code execution. “The CustomMCP node allows users to input configuration settingsRead More »Flowise AI Agent Builder Under Active CVSS 10.0 RCE Exploitation; 12,000+ Instances Exposed
