Question 1. The signed rules of engagement list only IP ranges the client owns. At kickoff the client also asks you to test app.partner-crm.example, which resolves into a hosting provider's address space. What must happen before you send any traffic to that host?
- ANothing further. The client asked in writing, and that written request is the authorization.
- BGet written authorization from the hosting provider, then amend the scope document to match.
- CLimit yourself to an unauthenticated port scan, since scanning is exempt from computer-misuse law.
- DDefer the host to the retest window and record it as a scope gap in the final report.
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Correct answer: B. Get written authorization from the hosting provider, then amend the scope document to match.
A client can only authorize testing of systems it controls, so a host in a third party's address space needs that provider's written sign-off and an amended scope document first. Port scanning is not a legal exemption; it is still active traffic aimed at someone else's asset.