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PCPJack Hijacks 230 AWS, Google Cloud, and Azure Servers for Covert SMTP Relay Network



June 5, 2026 at 11:04AM

The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services (AWS), Google Cloud, and Microsoft Azure to create a covert SMTP email relay network. "Compromised business servers across the U.S., Europe, and Asia were quietly converted into SMTP proxies, verified for mail relay capability, and synced to a downstream consumer every five minutes," Hunt.io said in

from The Hacker News https://ift.tt/VU5RZXL

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