Which of the following is NOT a reason why supply chain infections areconsidered especially dangerous?
a. If the malware is planted in the ROM firmware of the device this can make it difficult or sometimes even impossible to clean an infected device.
b. Users are receiving infected devicesat the point of purchase and arecompletely unaware that a brand newdevice may be infected.
c. It is virtually impossible to closelymonitor every step in the supply chain.
d. Supply chains take advantage of thetrusted "chain of trust" concept.