Mobile Security Quiz

A user installs an app from a trusted app store. Shortly after, the device experiences sluggish response times, high data usage, and unexpected pop-up ads. What is the MOST likely cause?

• The app was improperly coded, causing performance issues

• The app is spoofed and contains hidden malicious code

• The app has excessive permissions for legitimate functionality

• The device's storage is full, causing system lag

Which of the following BEST describes a security concern with devices running in Developer Mode?

• Automatically disables encryption

• Requires sideloading of all applications

• Forces factory resets at startup

• Opens the system to debugging interfaces that can be exploited

A mobile device management (MDM) system detects an Android device with root access attempting to connect to the enterprise network. What is the FIRST action an administrator should take?

• Send a notification to the user requesting they remove root access

• Block the device from accessing any enterprise resources

• Install an antivirus app remotely

• Enable airplane mode on the device remotely

Which of the following symptoms would MOST likely indicate a mobile device has been compromised by a pirated app?

• Decreased CPU usage

• Limited/no internet connectivity

• Constant high network traffic with no user activity

• Extended battery life

After installing an enterprise app via APK sideloading, users report breach notifications and unauthorized account access. What is the MOST probable root cause?

• The enterprise app used weak encryption

• The APK file was modified and sideloaded from an untrusted source

• The VPN on the device was disabled during installation

• Users failed to update their passwords after installation

Which of the following BEST mitigates the risk of rogue developers distributing malicious apps in an enterprise environment?

• Implementing strict MDM app store controls and whitelisting

• Using bootleg app stores for wider app selection

• Requiring users to manually verify app code

• Installing antivirus on user devices only

An employee’s iOS device is found jailbroken during an MDM compliance check. Which risk is MOST associated with this scenario?

• Loss of user data due to system instability

• Inability to receive iOS updates

• Increased exposure to unvetted applications and potential malware

• Loss of network connectivity on the corporate Wi-Fi

What is the PRIMARY concern of allowing Android APK sideloading in a corporate environment?

• Reduces device performance by 50%

• Bypasses security controls and introduces unverified applications

• Disables encryption by default

• Causes immediate battery drain

A user installs a productivity app that appears legitimate, but shortly after, experiences high utilization and the leaking of personal data. What red flag did the user likely overlook?

• The app had poor user interface design

• Fake reviews and manipulated download figures were present

• The app required a software license agreement

• The app had a high purchase price

Which of the following are common symptoms of mobile malware infection?

• Sluggish device performance

• Decreased mobile data usage

• Frequent breach notifications

• Reduced number of push notifications