ST Protect

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About this app

ST Protect powered by Zimperium

ST Protect is an innovative anti-cyberattacks service with Artificial Intelligence protecting your smartphone from known and even unknown cyber threats, even zero-day attacks*.

Why ST Protect?
ST Protect’s Artificial Intelligence effectively protects your smartphone from known and even unknown mobile threats:

• Malicious apps, virus and malware
ST Protect detects and stops abnormal app activities with patented behavioural analytics, and ensures apps only access permitted information. ST Protect can even identify and protect your smartphone from zero-day attacks.

• Device threats
ST Protect uses behavior engine to run continuously on the device, detecting threats even when the device is offline.

• Man-in-the-middle attacks and unsafe Wifi
ST Protect alerts you when the unsafe WiFi connection or man-in-the-middle attacks are detected no matter you are in Hong Kong or overseas

* A zero day attack refers to a software security hole is being attacked before there is software available to fix it.

This service is exclusively for SmarTone users.

ST Protect Activation Instructions:
ST Protect is easy to install and use instantly.
1. Download the ST Protect app.
2. Install the ST Protect app on your mobile device.
3. Open the ST Protect and start to use

Service website:

• Download and use of the ST Protect Service will incur data charge. Local data will be charged at or deducted from the Customer’s subscribed price plan, whichever is applicable. Standard roaming data charges will apply while using the Service abroad. If the Customer has applied for a Roaming Data Pack, data will be deducted from the plan. Please visit for details.
• This service can be used on smartphones running iOS 8.0 or above, and Android 4.0 or above.
• All content under the ST Protect Service are provided by Zimperium Inc, and SmarTone is not responsible or liable for their quality, nature, accuracy and usefulness of the contents.
Updated on
Apr 28, 2021

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data isn’t encrypted
Data can’t be deleted

What's new

Enhances app stability