Sign-up is invitation-only. Every customer table uses row-level security, so people can only read workspaces they belong to. Roles (Owner, Strategist, Analyst, Client viewer) limit what each person can change. Only Owners can manage share links, resume paused collection and change session settings.
Organisation owners can set an idle sign-out time and sign out of their other sessions. Password-protected share links lock after repeated wrong attempts.
Sign-ins, role changes, invites, share links, exports, account connections, memory edits, budgets and pause/resume are recorded with time, person, IP address and browser. Owners can see this in Settings → Team & sign-in → Activity.
Not in place yet: multi-factor authentication enforcement, and SSO beyond Google.