An apparatus comprising: a memory; and a processor in communication with the memory, the processor configured to execute instructions to: determine a shielding status of each of a plurality of devices in a security system based at least on whether each of the plurality of devices is in a secured state and is functioning, wherein, for each of the plurality of devices: the device is in the secured state when the device has been activated for operation, the device is functioning when the device is operating properly, and determining the shielding status of the device comprises determining whether the device is at least one of activated or defective, the determined shielding status being indicative of whether the device is at least one of activated or defective, weight the shielding status of each of the plurality of devices to generate a weighted shielding status of each of the plurality of devices, the shielding status of at least one of the plurality of devices being weighted dependent on a location of the at least one device, wherein different weights are used for different device locations; determine a shielding status of the security system based on the weighted shielding status of each of the plurality of devices, and transmit the shielding status of the security system to a user device (114, 116), wherein the shielding status of each of the plurality of devices is one of a plurality of three or more discrete levels of shielding. a memory; and a processor in communication with the memory, the processor configured to execute instructions to: determine a shielding status of each of a plurality of devices in a security system based at least on whether each of the plurality of devices is in a secured state and is functioning, wherein, for each of the plurality of devices: the device is in the secured state when the device has been activated for operation, the device is functioning when the device is operating properly, and determining the shielding status of the device comprises determining whether the device is at least one of activated or defective, the determined shielding status being indicative of whether the device is at least one of activated or defective, weight the shielding status of each of the plurality of devices to generate a weighted shielding status of each of the plurality of devices, the shielding status of at least one of the plurality of devices being weighted dependent on a location of the at least one device, wherein different weights are used for different device locations; determine a shielding status of the security system based on the weighted shielding status of each of the plurality of devices, and transmit the shielding status of the security system to a user device (114, 116), determine a shielding status of each of a plurality of devices in a security system based at least on whether each of the plurality of devices is in a secured state and is functioning, wherein, for each of the plurality of devices: the device is in the secured state when the device has been activated for operation, the device is functioning when the device is operating properly, and determining the shielding status of the device comprises determining whether the device is at least one of activated or defective, the determined shielding status being indicative of whether the device is at least one of activated or defective, the device is in the secured state when the device has been activated for operation, the device is functioning when the device is operating properly, and determining the shielding status of the device comprises determining whether the device is at least one of activated or defective, the determined shielding status being indicative of whether the device is at least one of activated or defective, weight the shielding status of each of the plurality of devices to generate a weighted shielding status of each of the plurality of devices, the shielding status of at least one of the plurality of devices being weighted dependent on a location of the at least one device, wherein different weights are used for different device locations; determine a shielding status of the security system based on the weighted shielding status of each of the plurality of devices, and transmit the shielding status of the security system to a user device (114, 116), wherein the shielding status of each of the plurality of devices is one of a plurality of three or more discrete levels of shielding.