Page 12 of the DSE Security Knowledge Hub, with source-backed guidance, checklists, explainers, and playbooks.
Memory-safety flaws remain a major source of exploitable software defects. Buyers and builders should ask for an owned roadmap covering new code, legacy components, open-source dependencies, unsafe interfaces, compensating defenses, and measurable progress.
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IPv6 may be active on endpoints, servers, and network equipment before an organization intentionally deploys it. Unmanaged IPv6 creates a parallel path around inventories, filtering, monitoring, segmentation, and incident procedures designed only for IPv4.
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Detection, observation, recognition, and identification require different image detail. Define the task and target distance first, use pixel density as a planning aid, then prove the recorded result in the real scene.
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WDR specifications do not prove a usable image at a bright entrance, garage, tunnel, or reflective lobby. Test the installed camera through changing light and motion, then preserve the configuration and evidence.
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License-plate recognition starts with a readable captured plate. Prove the camera at the real lane angle, vehicle speed, capture distance, day/night lighting, and recording settings before trusting the recognition result or gate action.
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A stream can be clear and still arrive too late. Measure sensor-to-screen delay through the production camera, network, VMS, decoder, workstation, and display—under normal and stressed conditions—before live video supports a time-sensitive response.
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Radar can add reliable movement, position, and speed data where light, fog, shadows, or privacy limit video. Its blind spots, reflections, classification limits, zones, and response integrations still need real-scene acceptance testing.
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“Fail safe” and “fail secure” do not describe the whole opening. Document and test how each electrically locked door behaves for normal egress, request to exit, power loss, fire/life-safety inputs, emergency actions, faults, and restoration.
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An automatic gate combines a moving operator, entrapment protection, access decisions, vehicle detection, communications, emergency operation, and physical site conditions. Product labels cover defined scopes; only integrated testing proves the installed workflow.
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An alarm device is useful only when people can perceive it, distinguish its meaning, report the emergency, take the planned action, and account for others. Test the technology and the workplace plan as one operating sequence.
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