Zero Trust Architecture (ZTA) is a security model that treats every request as a threat, verifying each access request based on an access policy. KubeArmor is a cloud-native runtime security enforcement system that leverages Linux security modules to enforce user-specified policies. To secure virtual machines, Microsoft recommends various steps such as configuring logical isolation, leveraging role-based access control, and securing boot components. Meanwhile, cybersecurity trends for 2022 include attack surface expansion, identity system defense, digital supply chain risk, and zero trust security.