What type of software can be used to prevent, detect (and possibly correct) malicious activities on a system?

A personal firewall primarily focuses on preventing unauthorized network connections, not detecting or correcting all types of malicious activity on the host system.

A host-based IDS (HIDS) is designed for detecting suspicious activities on a system but typically does not directly prevent or automatically correct them without additional integrated components.

Antivirus software specializes in detecting and removing known malware but does not provide comprehensive network access control or broader suspicious system activity detection.

Personal firewalls prevent unauthorized network access, host-based Intrusion Detection Systems (IDS) detect suspicious activities, and antivirus software detects and removes known malware, collectively covering prevention, detection, and correction of malicious activities.