Your app's security is only as current as your last update.

You can build the strongest castle, stone walls, guards, traps, moat, but if you leave a side gate open because the lock is ‘coming soon’… It’s all pointless.

It’s the same with web applications. You could have the fanciest security software installed, but if it(or any other dependencies) are out of date, you are still vulnerable.

✅ Keep all your dependencies up to date
✅ Run dependency and vulnerability scanners continuously
✅ Patch known vulnerabilities ASAP
✅ Automate updates where possible, but always review the changes
✅ Keep your servers, runtime, and network software up to date
✅ Remove unused software, packages, and plugins (less is more)

🛡️ Security is never done
❌ It’s not a one-time setup.
❌ It’s not a checkbox.
❌ It’s not just a “launch” task.

Security is maintenance. Security is discipline. Security is forever.
You wouldn’t live in a castle with a broken gate, so don’t ship software with unpatched holes.