INCIDENT EVIDENCE GRAPH

Russian Global Webmail Espionage

2026-07-23T14:10:53Z

Unit 42 details a Russian cyberespionage campaign targeting Zimbra webmail servers using JavaScript injection to steal credentials. The post Russian Global Webmail Espionage appeared first on Unit 42 .

• Victim: Zimbra webmail server users
• Actor: Russian cyberespionage actor
• Exploit: JavaScript injection
• Method: JavaScript injection to steal credentials

Primary evidence

1. Russian Global Webmail Espionage

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