Which cellular technology vulnerability is mentioned in relation to wireless communication?

The vulnerability at the PHY (Physical) and MAC (Media Access Control) layers is significant because these layers are foundational in managing the communication processes in wireless networks. Vulnerabilities at these levels can allow attackers to intercept or manipulate wireless signals, leading to potential exploitation of the network.

For instance, weaknesses in the PHY layer might involve the physical transmission of data, such as susceptibility to jamming or signal interception. On the other hand, issues at the MAC layer can relate to how devices identify and authenticate themselves on the network, which can be exploited for unauthorized access.

Understanding these vulnerabilities is critical for enhancing security in cellular technologies, as they represent points where various attacks, such as replay attacks or spoofing, can be executed. Effective mitigation strategies must address these layers to ensure the integrity and confidentiality of data being transmitted over cellular networks.