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Threat Actors Target U.S. Critical Infrastructure with LummaC2 Malware

Today, CISA and the Federal Bureau of Investigation released a joint Cybersecurity Advisory, LummaC2 Malware Targeting U.S. Critical Infrastructure Sectors.

This advisory details the tactics, techniques, and procedures, and indicators of compromise (IOCs) linked to threat actors deploying LummaC2 malware. This malware poses a serious threat, capable of infiltrating networks and exfiltrating sensitive information, to vulnerable individuals’ and organizations’ computer networks across U.S. critical infrastructure sectors.

As recently as May 2025, threat actors have been observed using LummaC2 malware, underscoring the ongoing threat. The advisory includes IOCs tied to infections from November 2023 through May 2025. Organizations are strongly urged to review the advisory and implement the recommended mitigations to reduce exposure and impact.

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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.