Invoices, documents, and your whole team — one secure place. Trusted by firms in accounting and healthcare.
It looks like a finished SaaS. It leaks every firm's data to every other firm.
Two tenants are seeded: Ledgerline CPA (accounting) and Willowbrook Care (healthcare). Log in as anyone (one-click on the sign-in page), browse the app — then open the Security X-rayand fire each exploit live: read the other firm's invoices, team PII, and private patient documents, and escalate a member to admin.
Full teardown — how each bug was planted, exploited, and fixed — on the portfolio →