What is the best way to protect my Clients Cell Phones????

I am getting Clients who get their Cell phone Compromised because they install Renegade Apps

Steals their contact list and thus begins the spamming of Family and Friends

What can I use to stop this???

Cjoego
Joseph SalazarVice President - Senior IT ConsultantAsked:
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JohnBusiness Consultant (Owner)Commented:
If your clients own the phones (very likely) then they are (by necessity) administrators of their phones.  So then your recourse is to educate them. They need to know where to get their apps.  Apple Store or Google Store and only certified apps.
Joseph SalazarVice President - Senior IT ConsultantAuthor Commented:
Yep I do John,

The Question was what solution (Software or App)  (( NOT FREE )) are you using to protect your clients

cjoego
JohnBusiness Consultant (Owner)Commented:
Certified Apps do not compromise email. We have lots of client phones.

There is nothing to stop Android users from installing bad apps that I know of.

Convert them to iPhones
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JohnBusiness Consultant (Owner)Commented:
Here is an article on restricting the use of Android phones that will prevent your issue

https://www.howtogeek.com/223530/how-to-lock-down-your-android-tablet-or-smartphone-for-kids/

But then they could not install valid apps or Android updates.
David FavorLinux/LXD/WordPress/Hosting SavantCommented:
You asked, "The Question was what solution (Software or App)  (( NOT FREE )) are you using to protect your clients".

The answer is really no.

The phone owner can always over ride any blocks.

If you're using Android devices, try John's solution... and... likely there are always around, if a person is so inclined.
btanExec ConsultantCommented:
Avoid unknown sources. You have the option of installing Android apps and games from sources other than Google Play (sometimes known as sideloading). The problem is that many third-party app stores are not safe. If you choose to download an APK file and install it yourself, you could be putting malware on your device.

View the current scan status and make sure Play Protect is enabled go to Settings > Google > Security > Google Play Protect.

Just because an app is safe the first time it's uploaded to the Play Store, doesn't mean would be bad guys won't try to sneak something into the app down the road.

Use Google's Verify Apps which is part of the Play Services. It can identify some harmful apps. This means that it is worthwhile to use a device with Google Services installed and up-to-date.

I would also recommend to have an anti-virus app if you need a sideloaded app which you cannot trust, and if you can, use such app on a secondary device that does not hold your vital data.

In addition, Android is constantly upgraded to fix many vulnerabilities, therefore latest system may be safer. If you can, use the latest system.

Lastly, be on the lookout for suspicious permission requests that do not relate to the app’s intended purpose. Instagram obviously needs permission to access your photos, but Candy Crush shouldn’t be asking to read your sensitive log data. Understanding Android app permissions is key to keeping malware at bay.

User play a big role and checker tool are not foolproof but the minimal hygiene to undertake by user will help reduce the  chance of being hacked.
GiovanniCommented:
If these are company owned phones, or the users are open to having the agents installed on their phones via BYOD, your best bet would be a mobile device management (MDM) solution that has Jailbreak and Root Detection, unknown sources app policy enforcement, or whitelist app capability, etc.  I like Air Watch.  

You can read the white paper on this here:
https://www.air-watch.com/downloads/brochures/AirWatch_White_Paper_-_Detecting_Compromised_Devices.pdf

You'll be able to detect compromised devices with Air Watch and isolate the device from your company network, but not necessarily prevent users from rooting or installing untrusted apps, etc.

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Jackie Man IT ManagerCommented:
Your client needs a paid Internet security app which can give insights / advice on installing apps.

https://play.google.com/store/apps/details?id=com.symantec.mobilesecurity

Norton mobile security is one of such apps I have used before.

Apart from apps, human intelligence is much more important and you need to have your clients understanding to develop a routine procedure for checking the security by you from time to time.
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