[x] Disable all OIT account creations (OIT ldap, office wiki access, etc.) - @JBennett, I believe this has been completed?
[x] Disable Phabricator account (https://phabricator.wikimedia.org/p/chasemp/)
[] Remove from privileged/unnecessary [[ https://phabricator.wikimedia.org/project/?member=PHID-USER-3neel27i7dyu62jbbx2l&status=active | Phab groups ]] (need a Phab admin or someone sufficiently-privileged to do these, I believe.)
[x] #acl_project-admins
[x] #acl_security_team
[x] #Policy-Admins
[x] #Project-Admins
[x] #security_preview
[x] #security-team-services
[x] #sre-access-requests
[x] Remove various production rights (https://gerrit.wikimedia.org/r/633144)
[x] Remove from security-team@
[x] Remove from security@ (T265175)
[x] Remove from `wmf` ldap group (subtask)
[x] Remove info from officewiki secteam, etc.
[x] Remove info from [[ https://www.mediawiki.org/wiki/Wikimedia_Security_Team | mediawiki.org secteam ]]
[x] Archive [[ https://meta.wikimedia.org/wiki/Special:CentralAuth/CPettet_(WMF) | CPettet_(WMF) ]] user pages on office and meta `{{formerStaff}}`
[x] Remove access from Asana teams
[x] Remove from various IRC channels
[x] Remove from WMF Slack (appears completed)
I think there's likely a few other items as well that we need to investigate.