312-50V12 · Question #253
As a cybersecurity analyst for SecureNet, you are performing a security assessment of a new mobile payment application. One of your primary concerns is the secure storage of customer data on the…
The correct answer is C. Encrypt all sensitive data stored on the device. Encrypting all sensitive data stored on the device is the best measure to protect customer credit card details and PINs, ensuring their security even if the device is compromised.
Question
Options
- AEnable GPS tracking for all devices using the app.
- BRegularly update the app to the latest version.
- CEncrypt all sensitive data stored on the device.
- DImplement biometric authentication for app access.
How the community answered
(49 responses)- A4% (2)
- B12% (6)
- C80% (39)
- D4% (2)
Why each option
Encrypting all sensitive data stored on the device is the best measure to protect customer credit card details and PINs, ensuring their security even if the device is compromised.
Enabling GPS tracking for devices helps with device location and recovery, but it does not secure the sensitive data stored on the device itself from unauthorized access.
Regularly updating the app is a good practice for patching vulnerabilities and improving overall security, but it does not inherently guarantee that sensitive data stored on the device is encrypted.
Encrypting sensitive data stored on the device ensures that even if the mobile device is lost, stolen, or accessed by unauthorized individuals, the sensitive information like credit card details and PINs remains unreadable and protected without the proper decryption key. This directly addresses the security of data at rest, making it unintelligible to anyone without authorization.
Implementing biometric authentication secures access to the application, but it does not protect the sensitive data stored on the device if the device's storage is accessed directly or by an attacker bypassing app authentication.
Concept tested: Data at rest encryption for mobile devices
Source: https://learn.microsoft.com/en-us/azure/security/fundamentals/encryption-atrest
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