Attacks

Microsoft released an update to address a critical remote code execution vulnerability impacting Windows Server Update Service (WSUS) in Windows Server (2012, 2016, 2019, 2022, and 2025), CVE-2025-59287, that a prior update did not fully mitigate.  CISA strongly urges organizations to implement Microsoft’s updated Windows Server Update Service (WSUS) Remote Code Execution Vulnerability guidance, 1 or risk an unauthenticated actor achieving remote code execution with system privileges. Immediate actions for organizations with affected products are:…

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CISA released 10 Industrial Control Systems (ICS) advisories. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-294-01 Rockwell Automation 1783-NATR ICSA-25-294-02 Rockwell Automation Compact GuardLogix 5370 ICSA-25-294-03 Siemens SIMATIC S7-1200 CPU V1/V2 Devices ICSA-25-294-04 Siemens RUGGEDCOM ROS Devices ICSA-25-294-05 CloudEdge Online Cameras and App ICSA-25-294-06 Raisecomm RAX701-GC Series ICSMA-25-294-01 Oxford Nanopore Technologies MinKNOW ICSA-25-035-07 Schneider Electric Pro-Face GP-Pro EX and Remote HMI (Update A) ICSA-24-354-07 Schneider Electric Modicon Controllers…

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Today, CISA issued Emergency Directive ED 26-01: Mitigate Vulnerabilities in F5 Devices to direct Federal Civilian Executive Branch agencies to inventory F5 BIG-IP products, evaluate if the networked management interfaces are accessible from the public internet, and apply newly released updates from F5.  A nation-state affiliated cyber threat actor has compromised F5 systems and exfiltrated data, including portions of the BIG-IP proprietary source code and vulnerability information, which provides the actor with a technical advantage…

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CISA, in collaboration with the Federal Bureau of Investigation, the United Kingdom’s National Cyber Security Centre, and other international partners has released new joint cybersecurity guidance: Creating and Maintaining a Definitive View of Your Operational Technology (OT) Architecture. Building on the recent Foundations for OT Cybersecurity: Asset Inventory Guidance for Owners and Operators, this guidance explains how organizations can leverage data sources, such as asset inventories and manufacturer-provided resources like software bill of materials to establish…

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The Cybersecurity and Infrastructure Security Agency (CISA) announced that it has transitioned to a new model to better equip state, local, tribal, and territorial (SLTT) governments to strengthen shared responsibility nationwide. CISA is supporting our SLTT partners with access to grant funding, no-cost tools, and cybersecurity expertise to be resilient and lead at the local level.  CISA’s cooperative agreement with the Center for Internet Security (CIS) will reach its planned end on September 30, 2025.…

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Today, CISA issued Emergency Directive ED 25-03: Identify and Mitigate Potential Compromise of Cisco Devices to address vulnerabilities in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower devices. CISA has added vulnerabilities CVE-2025-20333 and CVE-2025-20362 to the Known Exploited Vulnerabilities Catalog.  The Emergency Directive requires federal agencies to identify, analyze, and mitigate potential compromises immediately. Agencies must: Identify all instances of Cisco ASA and Cisco Firepower devices in operation (all versions). Collect and transmit memory…

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Today, CISA released a cybersecurity advisory detailing lessons learned from an incident response engagement following the detection of potential malicious activity identified through security alerts generated by the agency’s endpoint detection and response tool.  This advisory, CISA Shares Lessons Learned from an Incident Response Engagement, highlights takeaways that illuminate the urgent need for timely patching, comprehensive incident response planning, and proactive threat monitoring to mitigate risks from similar vulnerabilities. The advisory also outlines the tactics,…

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CISA is releasing this Alert to provide guidance in response to a widespread software supply chain compromise involving the world’s largest JavaScript registry, npmjs.com. A self-replicating worm—publicly known as “Shai-Hulud”—has compromised over 500 packages.[i] After gaining initial access, the malicious cyber actor deployed malware that scanned the environment for sensitive credentials. The cyber actor then targeted GitHub Personal Access Tokens (PATs) and application programming interface (API) keys for cloud services, including Amazon Web Services (AWS),…

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SonicWall released a security advisory to assist their customers with protecting systems impacted by the MySonicWall cloud backup file incident. SonicWall’s investigation found that a malicious actor performed a series of brute force techniques against their MySonicWall.com web portal to gain access to a subset of customers’ preference files stored in their cloud backups. While credentials within the files were encrypted, the files also included information that actors can use to gain access to customers’…

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Today, CISA released a Malware Analysis Report detailing the functionality of two sets of malware obtained from an organization compromised by cyber threat actors exploiting CVE-2025-4427 and CVE-2025-4428 in Ivanti Endpoint Manager Mobile (Ivanti EPMM).   The Malware Analysis Report, Malicious Listener for Ivanti EPMM Systems, provides guidance to help organizations detect and mitigate these threats, including indicators of compromise and YARA and SIGMA rules. Mitigations include highlighting the need to upgrade Ivanti EPMM systems to…

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