Which of the following is first step to make system more secure?

Question: Which of the following is first step to make system more secure?

A Implementing intrusion detection system (IDS)

B  Regularly updating software and patches

C   Installing antivirus software

D  Conducting security audits

Answer:  Regularly updating software and patches

Security Enhancement Steps  Description
Step 1 Regularly update software and patches
Step 2 Implement strong authentication methods
Step 3 Install and configure a firewall
Step 4 Use antivirus and anti-malware software
Step 5 Enable encryption for sensitive data
Step 6 Implement access control and least privilege principles
Step 7 Conduct security awareness training for users
Step 8 Establish an incident response plan
Step 9 Regularly back up data and test recovery procedures
Step 10 Perform security audits and assessments
Step 11 Monitor system logs and network traffic for anomalies
Step 12 Employ intrusion detection and prevention systems
Step 13 Keep an inventory of authorized and unauthorized devices and software