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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 Microsoft Azure and turned them into a covert email relay network. Hunt.io researchers discovered the operation because PCPJack […]

Security Affairs 5 Jun 2026, 10:19 p.m. Incident · 2 stories Amazon (company) Amazon Web Services Azure Cloud Compromise Email Exposure Google Microsoft Research Threat Actor

19.6 Billion files are exposed in misconfigured cloud buckets, including 685K credential files and nearly 1M database dumps. There’s a comfortable myth most people carry around: that the data they hand to companies is locked somewhere safe. Researchers at Mysterium VPN just ran the numbers, and the numbers disagree. Across 535,480 publicly listable cloud storage […]

Security Affairs 28 May 2026, 7:48 p.m. Cloud Credentials Database Exposure Misconfiguration Research VPN