Zendesk ticket systems hijacked in massive global spam wave

Databreaches •Dissent • January 22, 2026

Lawrence Abrams reports: People worldwide are being targeted by a massive spam wave originating from unsecured Zendesk support systems, with victims reporting receiving hundreds of emails with strange and sometimes alarming subject lines. The wave of spam messages started on January 18th, with people reporting on social media that they received hundreds of emails. While the messages do not... Source

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Global Spam Wave Targets Users via Unsecured Zendesk Systems A massive spam wave has emerged, affecting users worldwide through unsecured Zendesk support systems. Starting on January 18, 2026, victims reported receiving hundreds of emails with unusual subject lines, although the messages do not contain malicious links or phishing attempts. 2 sources 26

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Zendesk