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Difficulty: MediumTroubleshooting Mobile OS Security and Connectivity Issues

An employee's smartphone abruptly loses access to internal corporate email and intranet resources while connected to cellular data. Upon reviewing the device, a technician discovers that an unapproved third-party configuration profile was installed after the user accepted a prompt on an unsecure web page, altering the device's network traffic routing. Which of the following is the FIRST action the technician should perform to resolve the security issue?

  1. Remove the untrusted configuration profile from the device settings.Answer
  2. B
    Contact the cellular network operator to report a localized cell tower outage.
  3. C
    Reconfigure the corporate wireless access points to downgrade from WPA3 to WPA2-Personal.
  4. D
    Initiate a full database rollback on the enterprise RADIUS authentication server.

Answer

The technician should remove the untrusted configuration profile directly from the device settings.
Removing the untrusted profile directly eliminates unauthorized network proxy/APN configurations that were blocking or misrouting traffic intended for corporate servers.

Step-by-Step Solution

1
Inspect the mobile device management profiles installed under the device settings.
Identified an unapproved third-party profile that was installed without administrative authorization.
Malicious or unauthorized profiles can override VPN, APN, and proxy settings, redirecting traffic away from internal corporate services.
2
Delete and remove the untrusted profile from the device.
The unauthorized routing and security controls enforced by the profile are removed.
Removing the profile eliminates the rogue configuration and allows default network settings and legitimate enterprise MDM policies to function.
3
Verify connectivity to corporate resources and re-enforce enterprise MDM compliance.
Access to secure corporate services over cellular data is successfully restored.
Ensures that the device is clean, fully compliant, and secure against further unauthorized configuration changes.

Key Concept

Troubleshooting Mobile OS Security and Connectivity Issues
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Troubleshooting Mobile OS Security and Connectivity Issues

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