Third-Party Script Shield

Run community and GitHub PowerShell with OS-level blast-shield isolation beside signing and approval.

Third-Party Script Shield

Visual summary before detailed use case copy.

European corporate office tower representing GDPR and EU compliance buyers

Use case

Third-Party Script Shield

Run community and GitHub PowerShell with OS-level blast-shield isolation beside signing and approval.

  • Pilot on one tenant
  • Export audit slice
  • Attach to customer SSP
<30min pilot target
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Problem: MSPs inherit scripts from forums, GitHub, and peer shares. Signing proves integrity at dispatch; sandboxing proves runtime behavior stayed inside the lane.

Trustholm process sandboxing is opt-in (AllowProcessSandboxing). Assign platform:third-party-readonly-v1 to community scripts: no outbound network, no child processes, stripped debug privilege. Credentials still answer who ran the script; the sandbox answers what the process could reach.

Pair with code signing and approval workflow. Export sandboxReport fields in security audit for assessor review.

Frequently asked questions

Does sandboxing replace signing?

No. Sandboxing is a blast shield beside Authenticode and tenant signing policy. Both layers are recommended for third-party content.