Which of the following can be used to detect a hacker who is stealing company...

Using a SIEM tool to monitor network traffic in real-time and detect any anomalies or malicious activities

Monitoring all network protocols and ports to detect suspicious volumes of traffic or connections to uncommon IP addresses

Monitoring for outbound traffic patterns that indicate malware communication with command and control servers, such as beaconing or DNS tunneling

Using a CASB tool to control access to cloud resources and prevent data leaks or downloads

Encrypting data at rest and in transit and enforcing strong authentication and authorization policies