A home invasion occurred recently in which an intruder compromised a home network and accessed a WiFI- enabled baby monitor while the baby's parents were sleeping. Which of the following BEST…

Outdated antivirus primarily protects computers from malware and is generally not installed on or relevant to the security of a dedicated WiFi-enabled baby monitor.

WiFi signal strength determines connectivity and range but does not explain the method of unauthorized access to a device.

Social engineering involves manipulating individuals to gain information or access, which is not described as the direct method of accessing the baby monitor in this scenario where the parents were sleeping.

The intruder most likely exploited the baby monitor's default configuration, which often includes pre-set, easily guessable, or publicly known usernames and passwords that were never changed by the device owner. By gaining unauthorized access to the home network, the intruder could then easily log into the monitor using these default credentials, as many IoT devices lack robust security features that enforce immediate credential changes.