Russian Intelligence Services Continue to Target Commercial Messaging Applications
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.
CSIRTS triage
- What
- Russian Intelligence Services are targeting commercial messaging applications in phishing campaigns.
- Who is affected
- Organizations using commercial messaging applications.
- Urgency
- Organizations should be vigilant as ongoing phishing campaigns may lead to data breaches.
- Action
- Implement recommended mitigations against phishing attacks.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://www.cisa.gov/resources-tools/resources/russian-intelligence-services-continue-target-commercial-messaging-applications
More from CISA Cybersecurity Advisories
- highCISA Adds Two Known Exploited Vulnerabilities to Catalog2026-07-10
- criticalSchneider Electric PowerChute Serial Shutdown2026-07-09
- criticalOpenPLC v32026-07-09
- criticalSchneider Electric Easergy MiCOM Px40 Series2026-07-09
- highCISA Adds One Known Exploited Vulnerability to Catalog2026-07-07