Latest cybersecurity reporting from selected sources.

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 […]

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

CISA calls for 'fundamental, security-focused reforms' to happen ASAP, delaying work on other software A review of the June 2023 attack on Microsoft's Exchange Online hosted email service – which saw accounts used by senior US officials compromised by a China-linked group called "Storm-0558" – has found that the incident would have been preventable save for Microsoft's lax infosec culture and sub-par cloud security precautions.…

CISA calls for 'fundamental, security-focused reforms' to happen ASAP, delaying work on other software A review of the June 2023 attack on Microsoft's Exchange Online hosted email service – which saw accounts used by senior US officials compromised by a China-linked group called "Storm-0558" – has found that the incident would have been preventable save for Microsoft's lax infosec culture and sub-par cloud security precautions.…

Microsoft on Thursday warned of a consumer-facing attack that made use of rogue OAuth applications on compromised cloud tenants to ultimately seize control of Exchange servers and spread spam