PCPJack uses 230 cloud servers for covert SMTP relay

The article discusses the PCPJack cyber threat, which has compromised 230 servers across AWS, Google Cloud, and Azure to create a covert SMTP relay network. This threat allows attackers to carry out anonymous email campaigns and other malicious activities by exploiting the cloud infrastructure. Strategies for mitigating risks associated with such threats include enhancing security protocols, regular monitoring of cloud resources, and training staff on cybersecurity practices.