GPR-015 · high risk

Block production package installs

Provide a conservative starting point for blocking a reviewed production package-install target.

Decision

block

Matcher

package = production-package

Reviewed

2026-08-09

Safe test cases

matching synthetic case

package = production-packageblock

different benign synthetic case

package = benign-production-packageunmatched

Limitations

  • Environment scoping must be reviewed in Policy Studio before rollout.

Review before applying

This recipe is a starting point, not a universal security policy. Open it in Policy Studio, replace example identifiers where necessary, review scope and blast radius, simulate where supported, and use the normal approval flow before enforcement.

Recipe SHA-256: 484dfb44598cfc8d37a5cd51f45eb784ae8611df74b8b3aac3575d06cf52e54c

When a policy is saved and delivered through Guard Cloud, it uses the existing Guard policy-bundle compiler. If the policy-bundle signing key is configured, that compiler produces an RSA-PSS-SHA256 signed bundle that local Guard verifies before applying.