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Russian Intelligence Services Continue to Target Commercial Messaging Applications

·Source: CISA Advisories

Updated:

Executive Summary

CISA and the Federal Bureau of Investigation (FBI) issued an updated Public Service Announcement (PSA) 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

Analysis

CISA and the Federal Bureau of Investigation (FBI) issued an updated Public Service Announcement (PSA) 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 Russian Intelligence Services Target Commercial Messaging Application Accounts and provides recent tactics, recommended mitigations, and samples of phishing messages.

Indicators of Compromise (1)

URL (1)
https://www.ic3.gov/PSA/2026/PSA260626
VirusTotalURLhaus
Source Attribution

Originally published by CISA Advisories on Jun 26, 2026.

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