Troubleshooting Mobile Device Security( Comptia Objective 3.5)

Question 1

If you are in an area with low signal or no signal what will this cause?

Answer 1

• Will prevent traffic flow of data.

Question 2

What should you make sure you do if connecting to a wireless access point?

Answer 2

• Use a VPN if you’re not( encrypts all of your data packets so nobody can see what you’re doing)
• Never trust a public Wifi Hotspot
• Tether your mobile devices connection to your own device.

Question 3

If you’re unsure if you have a good connection to the carriers network what can you do?

Answer 3

• Run a speed test( Cell tower analyzer and test

- Can use an app like speed test.net app.

Question 4

If your device is experiencing a power drain or it drains faster than normal how can you go about troubleshooting this issue?

Answer 4

• This can be caused by heavy application use, increased network activity, high resource utilization or possibly even a Denial Of Service( DOS)
• Before installing any application on a mobile device you will want to make sure that the application is legitimate, you can use an app scanner app such as ZAP(Zscaler application profiler), if you do find an app that is using all of your resources then you can force stop the app in your mobile device settings.
• If you want to make sure your mobile device is secure from potentially malicious apps etc you can run and install anti-malware software or delete the app and perform a clean install.
• As a last resort you can perform a clean install of an app or perform a factory reset and reinstall apps.

Question 5

Unusual Network Activity such as Unintended Wifi connections or data transmission over limit could be a sign of? And how can you diagnose this issue?

Answer 5

• A Malicious app could be causing this problem.
• Check your network connection.
• Are you on a trusted WiFi network that uses encryption?
• Check overall network speed( Run speed check / cell tower analyzer.
• Examine running apps for unusual activity( Large file transfers, constant activity)

Question 6

How can you go about preventing Unintended Bluetooth pairing?

Answer 6

• Always try to not connect to a device that isn’t your own
• Remove any Bluetooth devices you don’t recognize. You can always re-pair the device if you need to.
• You can also disable Bluetooth radio( No Bluetooth communication at all)
• After turning off Bluetooth it is always a good idea to perform an anti-malware scan to make sure there are no malicious apps.

Question 7

If your mobile device for some reason has a data breach and someone has leaked your personal files and data / Unauthorized account access(unauthorized root access) you will want to?

Answer 7

• Determine the cause of the data breach.
• Factory reset and clean install.( This is obviously a huge issue)
• Check online data sources( Apple Itunes/Icloud/AppleConfigurator/Google Sync etc)
• Change passwords

Question 8

What is Unauthorized location tracking? How can measures be taking to prevent it?

Answer 8

• Real-time tracking information and historical tracking details. This should be protected as your other data.
• Run an anti-malware scan and look for any malicious apps that can capture many data points.
• Check apps with an offline app scanner. Get some insight into what’s running
• Perform a factory reset and restore from a known good backup.

Question 9

Unauthorized camera use and microphone use can happen, what can happen and how can it be remedied?

Answer 9

• Third party app captures intimate information( Ethical and legal issues)
• Run an anti-malware scan try to identify the source of the breach.
• Confirm that the loaded apps are legitimate( Check with a third party app scanner)
• Alternatively you could as a final resort perform a Factory refresh and completely reset and start from the beginning or restore from a known good backup.