Posting another person’s private and confidential information is a violation of the Twitter Rules.
Some examples of private and confidential information are:
Keep in mind that although you may consider certain information to be private, not all postings of such information may be a violation of this policy. If information was previously posted or displayed elsewhere on the Internet prior to being put on Twitter, it is not a violation of this policy.
If the private information you’re reporting is not your own, please note that you must have documentation that you’re authorized to act on behalf of the person whose confidential information is posted.
For frequently asked questions about reporting private information posted on Twitter, click here.
To learn more about protecting your private information on Twitter and other websites, click here.