Configuring a strong unlock password for an Android device

To keep an Android device secure, you need to configure the use of a password for which the user is prompted when the device comes out of sleep mode.

You can impose restrictions on the user's activity on the device if the unlock password is weak (for example, lock the device). You can impose restrictions using the Compliance Control component. To do this, in the scan rule settings, you must select the Unlock password is not compliant with security requirements criterion.

On certain Samsung devices running Android 7.0 or later, when the user attempts to configure unsupported methods for unlocking the device (for example, a graphical password), the device may be locked if the following conditions are met: Kaspersky Endpoint Security for Android removal protection is enabled and screen unlock password strength requirements are set. To unlock the device, you must send a special command to the device.

To configure the use of an unlock password:

1. In the console tree, in the Managed devices folder, select the administration group to which the Android devices belong.
2. In the workspace of the group, select the Policies tab.
3. Open the policy properties window by double-clicking any column.
4. In the policy Properties window, select the Device Management section.
5. If you want the app to check whether an unlock password has been set, select the Require to set screen unlock password check box in the Screen lock section.

   If the application detects that no system password has been set on the device, it prompts the user to set it. The password is set according to the parameters defined by the administrator.

6. Specify the minimum number of characters.

   The minimum number of characters in the user password. Possible values: 4 to 16 characters.

   The user's password is 4 characters long by default.

   On devices running Android 10.0 or later, Kaspersky Endpoint Security resolves the password strength requirements into one of the system values: medium or high.

   The values for devices running Android 10.0 or later are determined by the following rules:

   • If the password length required is 1 to 4 symbols, then the app prompts the user to set a medium-strength password. It must be either numeric (PIN) with no repeating or ordered (e.g. 1234) sequences, or alphabetic/ alphanumeric. The PIN or password must be at least 4 characters long.
   • If the password length required is 5 or more symbols, then the app prompts the user to set a high-strength password. It must be either numeric (PIN) with no repeating or ordered sequences, or alphabetic/ alphanumeric (password). The PIN must be at least 8 digits long; the password must be at least 6 characters long.
7. If you want the user to have the capability to use fingerprints to unlock the screen, select the Allow use of fingerprints check box. If the unlock password is not compliant with corporate security requirements, you cannot use a fingerprint scanner to unlock the screen.

   On devices running Android 10.0 or later, the use of fingerprint to unlock the screen can be managed for work profile only.

   Kaspersky Endpoint Security for Android does not restrict the use of a fingerprint scanner for signing in to apps or confirming purchases

   On certain Samsung devices, it is impossible to block the use of fingerprints for unlocking the screen. On certain Samsung devices, if the unlock password does not comply with corporate security requirements, Kaspersky Endpoint Security for Android does not block the use of fingerprints for unlocking the screen.

   After adding a fingerprint in device settings, the user can unlock the screen using the following methods:

   • Press the finger to the fingerprint scanner (main method).
   • Enter the unlock password (backup method).
8. Click the Apply button to save the changes you have made.

Mobile device settings are configured after the next device synchronization with the Kaspersky Security Center.

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