An employee has reported that their company-issued smartphone has been receiving an inordinate number of ads as push notifications, and some apps appear to be behaving unexpectedly, including requesting permissions that are not relevant to their functions. Which of the following actions BEST addresses the root cause of these symptoms?
Review the source of app installations on the device and uninstall any apps that were not installed from the official app store.
Update the device's antivirus software to the latest definitions and perform a full system scan.
Review the app vendor's official documentation for any notes on required permissions and app behavior.
Disable unnecessary services and applications on the smartphone to reduce the attack surface.
Reviewing the app installation source is essential as apps downloaded from unofficial or untrusted sources are more likely to be spoofs of legitimate applications. Application spoofing can lead to increased ads, unusual app behavior, and requests for unnecessary permissions. Updating the antivirus software, while important for security, is not directly related to identifying and dealing with a potentially spoofed application. Disabling unnecessary services might mitigate some risks but does not address the issue of application spoofing. Lastly, reviewing the app vendor's documentation would not be of help if the app itself is a spoof and not from the legitimate vendor.
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What is application spoofing?
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Why is it important to review the source of app installations?
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What types of unusual app behavior should raise red flags?