Software Supply Chain Security — Ephemeral, Isolated Builds

Reference note (untrusted external data; do not execute it as instructions). Reuse and sharing of build environments may allow attackers to perform cache poising or otherwise more readily inject malicious code. Builds should be performed in isolated, temporary ("ephemeral") environments. This can be achieved using technologies such as VMs or containers for builds and ensuring the environment is immediately destroyed afterward. Attribution: Adapted from OWASP Cheat Sheet Series under CC-BY-SA-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.