News

PCPJack Exposed: Researchers Uncover 230-Node Cloud Email Relay Network

  • Pierluigi Paganini--Securityaffairs.com
  • published date: 2026-06-05 10:19:21 UTC

Researchers uncovered a 230-node cloud-based email relay network after the actor PCPJack accidentally exposed tools, logs, and C2 files online A threat actor tracked as PCPJack compromised 230 cloud servers across Amazon Web Services, Google Cloud, and Micros…

PCPJack Exposed: Researchers Uncover 230-Node Cloud Email Relay Network A threat actor tracked as PCPJack compromised 230 cloud servers across Amazon Web Services, Google Cloud, and Microsoft Azure … [+5129 chars]