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Russian Intelligence Services Continue to Target Commercial Messaging Applications

medcisa_advisoriesPublished 2026-06-26

<p>CISA and the Federal Bureau of Investigation (FBI) issued an updated <a href="https://www.ic3.gov/PSA/2026/PSA260626" target="_blank">Public Service Announcement (PSA)</a> warning of Russian Intelligence Services (RIS) cyber threat actors targeting commercial messaging applications in ongoing phishing campaigns. This PSA is an update to the March 2026 <a href="https://www.cisa.gov/resources-too

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://www.cisa.gov/resources-tools/resources/russian-intelligence-services-continue-target-commercial-messaging-applications