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

Stolen credentials edge out email tricks for cloud break-ins because they're so easy to get Criminals used stolen credentials more frequently than email phishing to gain access into their victims' IT systems last year, marking the first time that compromised login details claimed the number two spot in Mandiant's list of most common initial infection vectors.…

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.…

Cozy Bear may have had access to the green rectangular email and SharePoint cloud for six months HPE has become the latest tech giant to admit it has been compromised by Russian operatives.…

Malicious toolkit targets misconfigured hosts in AWS and Office 365 A fast-evolving toolkit that can be used to compromise email and web hosting services represents a disturbing evolution of attacks in the cloud, which for the most part have previously been confined to mining cryptocurrencies.…

Threat actors leak employee email addresses, corporate reports, and IT asset information on a hacker forum after an attack on an Uber technology partner.

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