Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Microsoft Exchange Server OWA XSS: Active Exploitation and Emergency Patching Guide
Microsoft Exchange Server OWA XSS: Active Exploitation and Emergency Patching Guide Introduction Defenders, we are tracking a critical secur...
QILIN Ransomware Gang: 17 New Victims Posted — Exchange & Cloud Firewall Exploitation Surge
Threat Actor Profile — QILIN Aliases: Agenda (formerly), Qilin.B Operational Model: Ransomware-as-a-Service (RaaS). Qilin operates a highly ...
QILIN Ransomware: Escalating Campaign Exploiting Exchange & Mail Flaws — 15 New Victims
QILIN Ransomware: Escalating Campaign Exploiting Exchange & Mail Flaws Date: 2026-05-13 Analyst: Security Arsenal Intel Unit Source: Ransomw...
QILIN Ransomware: Aggressive Expansion in Business & Construction Sectors — IOCs & Detection Rules
Threat Actor Profile — QILIN QILIN (also known as Agenda in some circles, though distinct in current operations) is a Ransomware-as-a-Servic...
THEGENTLEMEN Ransomware: Critical Infrastructure Campaign — SmarterMail & Exchange Exploitation Detected
THEGENTLEMEN Ransomware Gang: SmarterMail & Exchange Exploitation Surge Date: 2026-05-10 Source: Security Arsenal Dark Web Intelligence Unit...
BAVACAI Ransomware: Global Surge Targets Education & Business Services via Edge Exploits
Threat Actor Profile — BAVACAI Operational Model: BAVACAI operates as a Ransomware-as-a-Service (RaaS) entity, likely utilizing a sophistica...
QILIN Ransomware: Aggressive Exploit-Led Campaign Targeting Global Critical Infrastructure
QILIN Ransomware: Aggressive Exploit-Led Campaign Targeting Global Critical Infrastructure Date: 2026-05-07 Source: Ransomware.live / Dark W...
FULCRUMSEC Ransomware: Aggressive Exploitation of Mail Gateways & 21 New Victims Detected
FULCRUMSEC Ransomware: Aggressive Exploitation of Mail Gateways & 21 New Victims Detected Threat Actor Profile — FULCRUMSEC FULCRUMSEC has r...
FULCRUMSEC Campaign: Exchange & SmarterMail Exploits Drive Surge in US Tech & Healthcare Sector Attacks
FULCRUMSEC Campaign: Exchange & SmarterMail Exploits Drive Surge in US Tech & Healthcare Sector Attacks Threat Actor Profile — FULCRUMSEC FU...