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Russian Global Webmail Espionage
July 23, 2026 · Unit 42 · Severity: MEDIUM
Unit 42 reveals a Russian cyberespionage campaign that injects JavaScript into Zimbra webmail servers to steal credentials, highlighting a global threat to webmail systems.
Key Takeaways
- Russian cyberespionage campaign targets Zimbra webmail servers globally.
- Attackers use JavaScript injection to steal credentials from webmail.
- Unit 42 details the campaign and its credential theft techniques.