ProofWiki:Privacy policy

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Publishing on the wiki and public data

Simply visiting the web site does not expose your identity publicly (but see private logging below).

When you edit any page in the wiki, you are publishing a document. This is a public act, and you are identified publicly with that edit as its author.


Identification of an author

When you publish a page in the wiki, you must be logged in. You will then be identified by your user name. This may be your real name if you so choose, or you may choose to publish under a pseudonym, whatever user name you selected when you created your account.

It may be either difficult or easy for a motivated individual to connect your network IP address with your real-life identity. Therefore if you are very concerned about privacy, you may wish to log in and publish under a pseudonym.

When using a pseudonym, your IP address will not be available to the public except in cases of abuse, including vandalism of a wiki page by you or by another user with the same IP address. In all cases, your IP address will be stored on the wiki servers and can be seen by $\mathsf{Pr} \infty \mathsf{fWiki}$ server administrators and by users who have been granted "CheckUser" access. Your IP address, and its connection to any usernames that share it may be released under certain circumstances (see below).

If you use a company mail server from home or telecommute and use a DSL or cable Internet connection, it is likely to be very easy for your employer to identify your IP address and find all of your IP based $\mathsf{Pr} \infty \mathsf{fWiki}$ project contributions. Using a user name is a better way of preserving your privacy in this situation. However, remember to log out or disconnect yourself after each session using a pseudonym on a shared computer, to avoid allowing others to use your identity.


Cookies

The wiki will set a temporary session cookie (PHPSESSID) whenever you visit the site. If you do not intend to ever log in, you may deny this cookie, but you cannot log in without it. It will be deleted when you close your browser session.

More cookies may be set when you log in, to avoid typing in your user name (or optionally password) on your next visit. These last up to 30 days. You may clear these cookies after use if you are using a public machine and don't wish to expose your username to future users of the machine. (If so, clear the browser cache as well.)

Passwords

Many aspects of the $\mathsf{Pr} \infty \mathsf{fWiki}$ projects' community interactions depend on the reputation and respect that is built up through a history of valued contributions. User passwords are the only guarantee of the integrity of a user's edit history. All users are encouraged to select strong passwords and to never share them. No one shall knowingly expose the password of another user to public release either directly or indirectly.


User data

Data on users, such as the times at which they edited and the number of edits they have made are publicly available via "user contributions" lists, and in aggregated forms published by other users.


Removal of user accounts

Once created, user accounts will not be removed. It may be possible for a username to be changed (depending on the policies of your local wiki). $\mathsf{Pr} \infty \mathsf{fWiki}$ does not guarantee that a name will be changed on request.

Whether specific user information is deleted is dependant on the deletion policies of the project that contains the information.


Deletion of content

Removing text from $\mathsf{Pr} \infty \mathsf{fWiki}$ projects does not permanently delete it. In normal articles, anyone can look at a previous version and see what was there. If an article is "deleted", any user with "administrator" access on the wiki, meaning almost anyone trusted not to abuse the deletion capability, can see what was deleted. Information can be permanently deleted by those people with access to the servers, but there is no guarantee this will happen except in response to legal action.