# internal tools — Blog

> Articles tagged: internal tools.

- URL: https://www.enter20.com/en/blog/tag/internal-tools/
- Español: https://www.enter20.com/blog/
- enter 2.0 — Practical AI, governed data, dashboards, automation and information systems for organisations that need to make better decisions.

- [Layered security for small internal tools: identity at the edge and failing closed](https://www.enter20.com/en/blog/layered-security-internal-tools-identity-at-edge-fail-closed/) (2026-10-06): An internal tool does not need a VPN or an exposed server. It needs identity before anything can be reached, a service that fails closed when configuration is missing, and tunnels instead of open ports.
- [Permissions live in the database, not on the screen](https://www.enter20.com/en/blog/permissions-live-in-the-database-not-the-screen/) (2026-08-13): When several departments or companies share a tool, who sees what must be decided in the database. The interface can fail; a rule on the server does not.