Threat Intelligence - RH-ISAC Blog

Executive Summary In 2025, Unit 42 responded to more than 750 major cyber incidents. Our teams worked with large organizations facing extortion, network intrusions, data theft and advanced persistent threats. Targets spanned every major industry and more than 50 countries. In each case, the situation had escalated to the point where the SOC called for…

Executive Summary The threat group known as ShinyHunters is actively exploiting misconfigurations in Salesforce Experience Cloud and a externally developed security auditing tool to exfiltrate sensitive data from hundreds of high-profile organizations. By repurposing Mandiant’s AuraInspector tool, the actors identify guest user profiles with excessive permissions that allow for the direct querying of internal CRM objects. The…

Executive Summary In late February 2026, the United States and Israel launched joint airstrikes against a wide array of facilities in Iran. Retaliatory strikes have followed, with the conflict escalating to multiple nations in the Middle East. Beyond physical threats to employees and facilities, cyber threats related to the conflict with potential impact on retail and hospitality…

Executive Summary On Feb. 6, 2026, BeyondTrust released a security advisory regarding CVE-2026-1731. BeyondTrust is an identity and access management platform. This specific vulnerability involves a pre-authentication remote code execution (RCE) issue within BeyondTrust remote support software. It could allow attackers to execute operating system commands in the context of the site user, which may lead to system…

Summary Threat actors increasingly leverage airline brand impersonation to facilitate sophisticated reward fraud and illicit online gambling schemes, according to a report published by Help Net Security. Analysis of over 11,000 domains reveals a high-volume ecosystem where keywords such as “rewards” and “points” serve as primary lures for loyalty credential harvesting. Additionally, malicious operators exploit airline…

Executive Summary With QR codes having a notable presence in our everyday lives, some people instinctively scan them without hesitation. But QR codes are also a vector for attack. QR codes enable attackers to bypass organizational security by exploiting the weaker controls of personal mobile devices. By doing this, they can trick users into scanning…

Summary A fraudulent website impersonating Avast’s visual identity targets French-speaking users by claiming a non-existent €499.99 charge requires a refund, according to a new report by Malwarebytes Labs. The operation utilizes a sophisticated blend of urgency, real-time live chat support via Tawk[.]to, and dynamic page elements to harvest full credit card details and personal information. Technical…

Executive Summary During a September 2025 incident response investigation, Unit 42 discovered a rogue virtual machine (VM) which we believe with high confidence to be used by the cybercrime group Muddled Libra (aka Scattered Spider, UNC3944). The contents of this rogue VM and activity from the attack provide valuable insight into the operational playbook of…

Summary Threat actors are actively exploiting critical vulnerabilities in internet-exposed SolarWinds Web Help Desk (WHD) instances to achieve unauthenticated remote code execution. These intrusions follow a high-impact pattern where a single unpatched application serves as a gateway for lateral movement and full domain compromise. Once inside, attackers deploy a mix of legitimate remote monitoring tools and…

Executive Summary On 9 February 2026, Singapore authorities confirmed that the China-linked cyber espionage group UNC3886 conducted a deliberate, targeted, and well-planned operation against all four of the country’s major telecommunications operators: M1, SIMBA Telecom, Singtel, and StarHub. Threat Actor Profile UNC3886 is reported as a highly disciplined and stealthy state-linked threat actor. The group targets strategic organizations…