✨ Add manage data spills page

docs/data/data_spill.rst

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+Data Spills
+===========
+
+A data spill is the accidental or deliberate exposure of information into an
+uncontrolled or unauthorised environment, or to persons without a need-to-know.
+
+There are many examples of data spills, but for the purposes of this guide, we will focus
+on the exposure of sensitive clinical research data in a public GitHub repository
+and what to do if this happens.
+
+What is Sensitive Data?
+-----------------------
+Even though the Kids First project does NOT currently include PHI
+(protected health information) data, it does still include data that is
+considered sensitive and cannot be exposed to the public.
+
+Sensitive data in the Kids First project is any clinical research data
+that has not been approved by the Kids First (Data Coordinating Center) DCC
+for public release.
+
+Examples of Kids First sensitive data include but are not limited to:
+
+    - A participant's demographics such as gender, ethnicity, race, ethnicity
+    - A participant's biospecimen info such as tissue type, anatomical site
+    - A participant's diagnosis info such as the diagnosis name
+    - A participant's genomic data such as DNA sequencing files
+
+*Note - a Participant is person participating in a Kids First research study*
+
+
+What is NOT Sensitive Data?
+---------------------------
+
+Any Kids First clinical research data that has been approved by the Kids First DCC for public release
+
+Identifiers (non-PHI of course) such as Kids First IDs (i.e. PT_00001111),
+IDs in the raw clinical data provided by Kids First researchers
+(i.e. PID0001, SS-H02, etc.)
+
+One caveat is that you can have sensitive data inside a **private Kids First
+GitHub repository**. Since the repository is private and within the Kids First
+GitHub organization it is in a controlled environment with limited exposure
+to appropriate persons.
+
+Manage a Data Spill
+-------------------
+
+What should you do if you accidentally pushed sensitive data to a public GitHub
+repository? Let's take a real scenario that recently happened::
+
+
+    You finish developing a feature branch, make a pull request against the
+    master branch, get that request approved and merge the feature branch into
+    master.
+
+    Two days go by and you finally realize the output of one your unit
+    tests accidentally made it into the pull request that merged into master.
+    That output contained clinical research data from one of the Kids First
+    studies 😳.
+
+
+Checklist
+^^^^^^^^^
+
+1. **Notify Manager/Team**
+    Let the appropriate people know as soon as possible.
+
+    Email or send a message on Slack to Allison Heath
+    ([email protected]) or your manager. Include the Kids First Technical
+    Project Manager, Bailey Farrow ([email protected]) on the message
+
+    If you are not the owner of the repository where the sensitive data
+    was pushed, then also let the owner know. You will need their help to
+    do the clean up.
+
+2. **Notify Consumers and Contributors**
+
+    Work with the repository owner to notify anyone who might have cloned or
+    forked the repository. Let them know that they should
+    refrain from pulling from or pushing anything to the repository on GitHub
+    until further notice is given. Later on you'll need to notify them on how
+    to proceed with use of the code or development.
+
+3. **Make the GitHub repository Private**
+
+    Ask the owner of the repository to make it private or do it yourself
+    if you have privileges.
+
+4. **Notify GitHub Support ([email protected])**
+
+    If the sensitive data was part of any pull requests, you will need to
+    contact GitHub Support to help remove all traces of the data. You
+    should do this first, **BEFORE** following GitHub's steps to clean up your
+    repo history (step 4 of this list).
+
+    Example Email::
+
+        Hello,
+
+        I am emailing to ask for help in removing sensitive data
+        that was pushed to a public GitHub repository. I need GitHub's help
+        to remove cached views and references to the sensitive data in pull
+        requests on GitHub.
+
+        Details:
+
+        Repository: <link to repo on GitHub>
+        Files to Remove:
+            - <URL to files in GitHub>
+        Pull Request where files were introduced: <link to PR on GitHub>
+
+        <Any other pertinent information>
+
+        Thank you very much in advance!
+
+
+5. **Clean up Repository History**
+
+    **Do not begin this step until** after GitHub support confirms they have
+    deleted the affected pull requests.
+
+    Follow GitHub's recommended steps `here <https://help.github.com/en/articles/removing-sensitive-data-from-a-repository>`_
+    to remove the sensitive data from your repository's history.
+
+    GitHub recommends using the open source repo cleaner tool `BFG`, which
+    is simple, fast, and works well.
+
+    In the last step of the clean up where you need to push the clean
+    history to the remote, you may need to have the repository owner
+    temporarily lift the force push protection on the master branch.
+
+6. Notify People Cleanup is Complete
+    Notify people from steps 1 and 2 that the clean up is complete
+
+    For people in step 2, let them know the repository's history has been
+    cleaned up/overwritten, ask them to delete any clones or forks they have
+    and pull down new ones.
+
+7. **Fill out an Incident Report**
+
+    TODO - Instructions and link to incident report template