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Incorrect — it fails the original constraint. Shared open remote access increases intrusion and credential guessing risk.

Incorrect — the measure Use mutually authenticated secure messaging with freshness and message-level integrity checks. addresses a different case: A supplier EDI connection exchanges purchase orders over a shared link, but no party validates message origin or replay.

Incorrect — this evidence applies to another case: A supplier EDI connection exchanges purchase orders over a shared link, but no party validates message origin or replay. The specified requirement here is An outsourcing partner remotely supports servers through an unmanaged consumer remote desktop gateway.

This addresses the original situation: Partner trust should be scoped to the agreed service, not extended across the internal network. It does not directly meet the changed requirement: The supply contract is terminated and all partner access must cease immediately.

The earlier rejected approach remains inappropriate. Unrestricted third-party routing exposes unrelated assets and increases supply-chain attack reach.

The new requirement needs an accountable response, not automatic deferral. Offboarding requires removing established trust paths, not merely reducing the initial API scope.

This is a limitation elsewhere: A remote administrator uses split tunneling from an unmanaged laptop connected to a public hotspot into a privileged network. It does not explain the deficiency of the specified proposed approach.

This explains a later shift in requirements (The remote support contract ends after a migration.), not the failure of the current proposal.

This is an advantage of another design (Enforce approved endpoint posture, strong VPN identity and scoped remote access routes.), not the particular flaw of Expose public remote-desktop ports to any source protected only by a shared password.

This demonstrates controls in another circumstance: A corporate VoIP service carries sensitive call setup and media over a shared public Wi-Fi network.

This other observation is relevant to: A remote administrator uses split tunneling from an unmanaged laptop connected to a public hotspot into a privileged network.

An approved change without an executed test cannot prove operating effectiveness. The needed evidence is A test partner session shows MFA, least-privilege path and immutable command or session logging.

This is the appropriate response to the original situation: Third-party remote access must be individually accountable, restricted and monitored. It does not directly meet the new condition.

This remains inappropriate: Shared open remote access increases intrusion and credential guessing risk.

This is a record of how the initial safeguard would be checked, not an action implementing the newly requested condition: A test partner session shows MFA, least-privilege path and immutable command or session logging.

This is appropriate for a later condition (The company now needs recorded calls for regulated quality review.), but it does not directly resolve the initial need. Recording requirements create privacy and lifecycle controls not supplied by voice encryption.

This response addresses a different condition: A remote administrator uses split tunneling from an unmanaged laptop connected to a public hotspot into a privileged network. The present case requires the measure described by Protect signaling and media with supported authenticated encryption and trust validation.

Unprotected media can be captured even when call initiation is encrypted. The proposal would not be defensible for this case.

This explains a later shift in requirements (The company now needs recorded calls for regulated quality review.), not the failure of the current proposal.

This is an advantage of another design (Use authenticated encrypted remote administration via controlled bastion infrastructure and recorded approvals.), not the particular flaw of Encrypt only the signaling channel and assume audio frames are private.

This is a limitation elsewhere: An outsourcing partner remotely supports servers through an unmanaged consumer remote desktop gateway. It does not explain the deficiency of the specified proposed approach.

This other observation is relevant to: An outsourcing partner remotely supports servers through an unmanaged consumer remote desktop gateway.

An approved change without an executed test cannot prove operating effectiveness. The needed evidence is Traffic captures confirm secure call signaling and protected media over the untrusted access link.

This demonstrates controls in another circumstance: An enterprise video collaboration system permits anonymous guests to access archived internal meetings by guessing URLs.

This remains inappropriate: Unprotected media can be captured even when call initiation is encrypted.

This is a record of how the initial safeguard would be checked, not an action implementing the newly requested condition: Traffic captures confirm secure call signaling and protected media over the untrusted access link.

This is the appropriate response to the original situation: Voice confidentiality includes both call-control metadata and audio streams. It does not directly meet the new condition.

This response addresses a different condition: An outsourcing partner remotely supports servers through an unmanaged consumer remote desktop gateway. The present case requires the measure described by Require meeting identity, scoped invitations and explicit recording authorization with expiry.

Guess-resistant links can leak and do not establish viewer authorization. The proposal would not be defensible for this case.

This is appropriate for a later condition (The legal team orders preservation of certain meeting transcripts.), but it does not directly resolve the initial need. Evidence retention obligations can override normal recording expiry for scoped material.

This is an advantage of another design (Protect signaling and media with supported authenticated encryption and trust validation.), not the particular flaw of Treat unpredictable meeting URLs as sufficient authentication for confidential replays.

This is a limitation elsewhere: A corporate VoIP service carries sensitive call setup and media over a shared public Wi-Fi network. It does not explain the deficiency of the specified proposed approach.

This explains a later shift in requirements (The legal team orders preservation of certain meeting transcripts.), not the failure of the current proposal.