Log aggregator: A log aggregator is a tool that collects, parses, and stores logs from various sources, such as devices, applications, servers, etc. A log aggregator can help meet the requirement of retaining logs for 365 days by providing a centralized and scalable storage solution.
PAM: PAM stands for privileged access management. It is a technology that controls and monitors the access of privileged users (such as administrators) to critical systems and data.
PAM can help meet the requirement of controlling and tracking privileged user access by enforcing policies such as least privilege, multifactor authentication, password rotation, session recording, etc.
SIEM: SIEM stands for security information and event management. It is a technology that analyzes and correlates logs from various sources to detect and respond to security incidents.
SIEM can help meet the requirement of identifying ransomware threats and zero-day vulnerabilities by providing real-time alerts, threat intelligence feeds, incident response workflows, etc.