What should be updated regularly to protect against newly discovered vulnerabilities?

What should be updated regularly to protect against newly discovered vulnerabilities?

• wireless technology
• device firmware
• encryption algorithm
• authentication setting

Explanation: In general, the security requirements for a Smart Home should include these:

WPA2 - The wireless network should use the latest Wi-Fi security, which is currently WPA2.
Encryption – It protects the confidentiality and integrity of information transmitted over a network.
Authentication - Strong authentication protects the device from unauthorized use or reconfiguration and prevents disclosure or modification of the data stored on the device.
Firmware – The IoT device manufacturers should update the firmware for any newly discovered vulnerabilities. The home IoT device users should enable the checking of updates automatically.

Exam with this question: IoT Security 1.1 Chapter 1 Quiz Answers