Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
TriWest Healthcare Breach: Defending TRICARE Beneficiary Data from PII Exfiltration
TriWest Healthcare Breach: Defending TRICARE Beneficiary Data from PII Exfiltration Introduction Security Arsenal is tracking the recent dis...
2026 Ransomware Surge: Countering Fragmented Ecosystems and Asymmetric Threats
Introduction Recent analysis from Dark Reading confirms what Security Arsenal consultants are observing in the field: the acceleration of en...
Kratos PhaaS Takedown: Detection and Defense Against Social Engineering-as-a-Service
Introduction In a significant coordinated action, authorities in Germany and the U.S. have successfully dismantled the central infrastructur...
Active Qilin Ransomware Exploitation of PAN-OS GlobalProtect Flaw: Detection and Hardening Guide
Introduction Recent intelligence from Arctic Wolf confirms that the Qilin ransomware-as-a-service (RaaS) operation is actively exploiting a ...
HollowGraph Malware: Detecting Microsoft Graph API Abuse in M365 Calendars
Introduction The democratization of cloud services has fundamentally shifted the threat landscape. We no longer face just malware that exfil...
Centers Lab Breach: 542K Records Compromised — Healthcare Data Defense & Exfiltration Detection
Centers Lab Breach: 542K Records Compromised — Healthcare Data Defense & Exfiltration Detection Introduction A recent disclosure by Centers ...
HollowGraph C2: Detecting Microsoft 365 Graph API Abuse via Future-Dated Calendar Events
Introduction Security operations teams must adapt to a sophisticated new evasion technique observed in the wild. Researchers at Group-IB hav...
Attack Scenario: 'bandcampro' Uses Google Gemini CLI to Hijack Dental Networks — Defense Guide
Introduction The convergence of Artificial Intelligence and offensive cyber operations is no longer theoretical. Recent analysis of session ...
CVE-2026-49452: openSUSE Python-Weasyprint CSS Injection — Detection and Patching Guide
CVE-2026-49452: openSUSE Python-Weasyprint CSS Injection — Patch and Hunt Guide A new security advisory for openSUSE (openSUSE-2026-0251) ad...