Operation HollowQuill – Weaponized PDFs Deliver a Cobalt Strike Malware Into Gov & Military Networks

In a recent revelation by SEQRITE Labs, a highly sophisticated cyber-espionage campaign, dubbed Operation HollowQuill, has been uncovered. The operation targets academic, governmental, and defense-related networks in Russia using weaponized decoy PDFs to deliver Cobalt Strike malware implants. The campaign…

Weaponized Zoom Installer Used by Hackers to Gain RDP Access and Deploy BlackSuit Ransomware

Cybersecurity researchers have uncovered a sophisticated attack campaign where threat actors utilized a trojanized Zoom installer to infiltrate systems, gain remote desktop protocol (RDP) access, and ultimately deploy the BlackSuit ransomware. The operation demonstrates a highly coordinated, multi-stage malware delivery…

Russian Hackers Leverage Bulletproof Hosting to Shift Network Infrastructure

Russian-aligned cyber threat groups, UAC-0050 and UAC-0006, have significantly escalated their operations in 2025, targeting entities worldwide with a focus on Ukraine. These groups employ bulletproof hosting services to mask their network infrastructure, enabling sophisticated campaigns involving financial theft, espionage,…

Vulnerability Summary for the Week of March 24, 2025

High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info n/a — n/a   Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised child process could cause the…