Attackers Exploit Zendesk Authentication Issue to Flood Targets’ Inboxes with Corporate Notifications

Cybercriminals have discovered a gap in Zendesk’s ticket submission process and are using it to bombard victims with waves of misleading support messages. When configured to accept anonymous requests, however, the service can be abused to generate email floods that appear to come from legitimate corporate domains. Earlier this week, security blogger Brian Krebs was […]

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