Warn your team and tell them to re-clone the repo (to avoid old secrets locally).?

Short answer: Example: You pushed .env with a production API key. Even after deletion, it’s still in the Git history — so you must clean and rotate keys right away.

Real-world example (ShopNest)

ShopNest’s team uses GitHub PRs with reviews and CI checks so broken builds never reach production unnoticed.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.