A large organization has implemented several security measures to protect its network infrastructure. As part of their continuous monitoring strategy, they want to ensure that any unauthorized access or anomalies in their network traffic are quickly identified and investigated. Which of the following security measures would best serve this purpose?
Deploy additional firewalls to segment network traffic.
Implement an Intrusion Detection System (IDS) to monitor network traffic.
Increase frequency of anti-virus software updates on all endpoints.
Conduct regular security training sessions for all network administrators.