Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Gunra Ransomware Hits Healthcare: Detection, Hunting, and Hardening Guide After CISA/FBI Joint Advisory
Introduction CISA, the FBI, and international cybersecurity partners have published a joint advisory warning healthcare and public health (H...
StormEncryptor Ransomware: Detection and Response Guide for the Former Medusa Affiliate Campaign
Introduction A financially motivated threat actor previously operating as an affiliate of the Medusa ransomware-as-a-service (RaaS) operatio...
UNSAFE Ransomware Gang: 3 New Victims in 72 Hours — Tech & Manufacturing Targeting Analysis with Detection Rules
UNSAFE Ransomware Gang: 3 New Victims in 72 Hours — Tech & Manufacturing Targeting Analysis with Detection Rules Classification: TLP:CLEAR |...
DIREWOLF Ransomware Gang: 10 Victims Posted in 24 Hours — Cross-Sector Campaign Analysis, Initial Access CVEs & Detection Rules
DIREWOLF Ransomware Gang: 10 Victims Posted in 24 Hours — Cross-Sector Campaign Analysis & Detection Rules Classification: TLP:AMBER | Intel...
GLOBAL SECRET GROUP Ransomware: 3 New Victims in 24 Hours — Financial Services Under Fire, VPN Edge Exploitation Suspected
GLOBAL SECRET GROUP Ransomware: 3 New Victims in 24 Hours — Financial Services Under Fire Classification: TLP:AMBER | Briefing Date: 2026-08...
Gunra Ransomware: CISA AA26-222a Detection, Hunting, and Hardening Guide for Defenders
Gunra RaaS Is Here — and Your Detections Need to Catch Up On August 10, 2026, CISA published joint advisory AA26-222a (StopRansomware: Gunra...
WALLSTREET Ransomware Gang: 2 New US Victims Posted — Manufacturing & Technology Sector Targeting Analysis with Detection Rules
WALLSTREET Ransomware Gang: 2 New US Victims Posted — Sector Targeting Analysis & Detection Rules Classification: TLP:CLEAR | Briefing Date:...
THEGENTLEMEN Ransomware Gang: 25 New Victims Posted — Sector Targeting Analysis & Detection Rules
THEGENTLEMEN Ransomware Gang: 25 New Victims Posted — Sector Targeting Analysis & Detection Rules Classification: TLP:CLEAR | Report Date: 2...
PANZER Ransomware Gang: 2 New Victims Posted — Energy & Media Targeting Analysis, Detection Rules & IR Playbook
Executive Summary Security Arsenal's dark web collection infrastructure has confirmed 2 new victim postings on the PANZER ransomware gang's ...