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Russian Global Webmail Espionage
July 23, 2026 · Unit 42 · Severity: MEDIUM
Unit 42's report details a Russian cyberespionage campaign that targets Zimbra webmail servers worldwide. The attackers employ JavaScript injection techniques to steal user credentials, posing a persistent threat to email security across multiple organizations.
Key Takeaways
- Russian cyberespionage campaign targets Zimbra webmail servers globally.
- Attackers use JavaScript injection to steal credentials from webmail users.
- Unit 42 identifies the campaign as a persistent threat to email security.