security

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Gefiltert nach: 6. April 2026
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UAC-0252 Attack Detection: SHADOWSNIFF and SALATSTEALER Fuel Phishing Campaigns in Ukraine

Since January 2026, CERT-UA has been tracking a series of intrusions attributed to UAC-0252 and built around SHADOWSNIFF and SALATSTEALER infostealers. The campaigns rely on well-crafted phishing lures, payload staging on legitimate infrastructure, and user-driven execution of disguised EXE files. Detect UAC-0252 Attacks Covered in CERT-UA#Adresse geschuetzt Q2 2025 research by […] The post UAC-0252 […]

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Malicious Listener for Ivanti Endpoint Mobile Management Systems

Malware Analysis at a Glance Executive Summary The Cybersecurity and Infrastructure Security Agency (CISA) obtained two sets of malware from an organization compromised by cyber threat actors exploiting CVE-2025-4427 and CVE-2025-4428 in Ivanti Endpoint Manager Mobile (Ivanti EPMM). Each set contains loaders for malicious listeners that enable cyber threat actors to run arbitrary code on […]

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MAR-251132.c1.v1 Exploitation of SharePoint Vulnerabilities

Notification This report is provided „as is“ for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained herein. The DHS does not endorse any commercial product or service referenced in this bulletin or otherwise. This document is marked TLP:CLEAR–Recipients may share this information […]

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MAR-10448362-1.v1 Volt Typhoon

Notification This report is provided „as is“ for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained herein. The DHS does not endorse any commercial product or service referenced in this bulletin or otherwise. This document is marked TLP:CLEAR–Recipients may share this information […]

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MAR-10478915-1.v1 Citrix Bleed

   Notification This report is provided „as is“ for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained herein. The DHS does not endorse any commercial product or service referenced in this bulletin or otherwise. This document is marked TLP:CLEAR–Recipients may share this […]

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Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure

Summary Note: This joint Cybersecurity Advisory is being published as an addition to the Cybersecurity and Infrastructure Security Agency (CISA) May 6, 2025, joint fact sheet Primary Mitigations to Reduce Cyber Threats to Operational Technology and European Cybercrime Centre’s (EC3) Operation Eastwood, in which CISA, Federal Bureau of Investigation (FBI), Department of Energy (DOE), Environmental […]

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CISA Shares Lessons Learned from an Incident Response Engagement

Advisory at a Glance Executive Summary CISA began incident response efforts at a U.S. federal civilian executive branch (FCEB) agency following the detection of potential malicious activity identified through security alerts generated by the agency’s endpoint detection and response (EDR) tool. CISA identified three lessons learned from the engagement that illuminate how to effectively mitigate […]

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