Hi Hande123,
Welcome
to the Developing Universal Windows apps forum!
Please read the sticky posts, especially the
Guide to posting: subject line tags and
Known Issues for Windows 10 SDK and Tools
I have added tag for you this time, and you would need to add tag by yourself next time.
“Windows apps that access authenticated services often provide the users the option of storing their credentials on the local device. This is a convenience for the users; when they provide their username and password, the app automatically uses them
in subsequent launches of the app. Because this can be a security issue if an attacker gains access to this stored data, Windows 10 provides the ability for Windows apps to store user credentials in a secure credential locker. The app calls the Credential
Locker API to store and retrieve the credentials from the locker instead of storing them in the app’s storage container. The credential locker is managed by the operating system, but access is limited to the app that stores them, providing a securely managed
solution for credential storage.”
>>” can the App to App service communication be intercepted?”
Currently, I think it’s safe.
>>” Should the data be encrypted ?”
It depends on you. “Windows app developers can use the
SymmetricKeyAlgorithmProvider and
AsymmetricKeyAlgorithmProvider classes to implement symmetric and asymmetric encryption in their UWP apps. Additionally, the
CryptographicEngine class can be used to encrypt and decrypt data, sign content and verify digital signatures. Apps can also use the
DataProtectionProvider class in the
Windows.Security.Cryptography.DataProtection namespace to encrypt and decrypt stored local data.”
More information about "secure Windows app development", pelase refer to this document for details.
Best Regards,
Xavier Eoro
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