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Question 5 of 438
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Cctv should record the events around the clock. Since the incident can happen anytime. Failure to have this in place will lead to incomplete footage
Option C would be the most concern to IS auditor because If surveillance isn't continuous, there are periods where no data exists at all — an irrecoverable gap. Even if an incident is later suspected, there's nothing to review for that window; unauthorized access, tampering, or theft during unrecorded hours can never be investigated after the fact. This is a permanent blind spot, not something that can be fixed retroactively — unlike a review process (option A), which can still be applied to existing footage at any time, even reactively or on an exception basis when something looks suspicious.
If the CCTV is not recording 247, that will be a total lost of data.