Annie - RH-ISAC Blog

Context CISA has released Emergency Directive 25-03 in response to an advanced threat actor actively exploiting zero-day vulnerabilities in Cisco Adaptive Security Appliances (ASA) devices. This alert comes as the United Kingdom National Cyber Security Centre releases a parallel advisory warning of active exploitation. This persistent threat utilizes new malware strains, RayInitiator and LINE VIPER, to maintain control and…

Security teams don’t just need alerts, they need answers. At Stairwell, we’ve seen how easily malware evades detection when defenders rely solely on behavior, logs, or static IOCs. Some threats hide inside image files. Others remain dormant for months. Many are missed not because they’re advanced, but because no one was looking in the right…

VIENNA, VA (September 4, 2025) – The Retail & Hospitality Information Sharing and Analysis Center (RH-ISAC) convened leaders from across the retail and hospitality sectors on 27 August 2025 for the Fraud Defense Forum, hosted at Target’s office in Minneapolis. The event brought together some of the world’s largest retailers to strengthen collective efforts in…

Executive Summary A widespread, opportunistic data theft campaign against Salesforce, attributed to the group UNC6395, has expanded in scope beyond initial reports. The attacks leverage compromised OAuth tokens from Salesloft Drift, an AI chat agent, to gain unauthorized access to customer instances of various services, including Salesforce and Google Workspace. Cybersecurity firms Zscaler and Palo Alto Networks have publicly confirmed impact,…

Executive Summary UK-based telecom provider Colt Technology Services has been battling a cyberattack since August 12, 2025, which disrupted several of its support and online platforms for days. Initially described as a “technical issue,” the company later confirmed it was a cyber incident and that customer data was stolen. The WarLock ransomware group has claimed responsibility,…