Year: 2025 - RH-ISAC Blog

Fraud and scams are no longer isolated incidents—they’re a national crisis. Every day, criminals steal an estimated $430 million from Americans, exploiting digital platforms, financial systems, and communication networks. These scams fund transnational criminal organizations and erode trust in our economy and institutions. To address this growing threat, the Aspen Institute Financial Security Program has released the proposed National Strategy to…

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,…

Executive Summary Since November 2024, IBM X-Force has been tracking QuirkyLoader, a new malware loader actively used to deliver a variety of well-known payloads, including keyloggers and Remote Access Trojans (RATs). This multi-stage infection begins with a malicious email attachment that exploits dynamic-link library (DLL) side-loading to execute a hidden malicious DLL. The loader, consistently written…

VIENNA, VA (August 20, 2025) – The Retail & Hospitality Information Sharing and Analysis Center (RH-ISAC) has officially opened the call for presentations for the 2026 Cybersecurity Summit, taking place 13-15 April 2026 in Austin, Texas. The Summit is the premier event for cybersecurity practitioners across the retail, hospitality, and customer-facing sectors. RH-ISAC is seeking…

Executive Summary Proofpoint discovered a widespread phishing campaign leveraging fake Microsoft OAuth applications to bypass multifactor authentication (MFA) and harvest Microsoft 365 credentials. The attackers impersonated reputable brands like RingCentral, Adobe, SharePoint, and DocuSign, by luring victims into approving minimal‑privilege access. Even if MFA was declined, victims were redirected through CAPTCHA and a phishing page using…

As the digital threat landscape continues to evolve, so too does the role of the CISO. The newly released 2025 RH-ISAC CISO Benchmark Report, developed in partnership with Accenture, offers a compelling snapshot of how cybersecurity leaders across retail and hospitality are adapting to new challenges, investing in resilience, and aligning security with business strategy….