security - Collecting user information for debugging and support -

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i have java application need support. i'd collect user information, such system information: os , hardware easier diagnostics , support. there security & privacy regulations need follow? need consent user this?

i not know country , local regulations, better accepted have privacy policy if collect sensitive data. might inform user upon first start, example. can explicitly ask user consent , collect if user agrees it. informed consent nice policy both informs user , asks permission. can stack results , release them (if , e.g. include in policy) stating users provided consent.


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