Mike Perham Feb 5
Did Zendesk have a compromise? I’ve gotten a dozen “new account” spam emails from various Zendesk installs over the last day.
Show threadMike Perham 
I guess I could take 30 seconds to search… https://tech.yahoo.com/cybersecurity/articles/zendesk-tickets-hijacked-massive-spam-145000950.html
Zendesk tickets hijacked in massive spam campaign

Someone is sending hundreds of pointless emails to people, using Zendesk's ticketing system.

Yahoo Tech
Feb 5 at 6:59pmWeb