Wireless Device Cellular Security Framework
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Solution Overview
Problem
Cellular wireless devices are vulnerable to security attacks, particularly from rogue network entities that can impersonate genuine base stations, leading to exposure of private information and compromised security settings, as they cannot verify message integrity before security context activation.
Innovation Solution
The wireless device adapts security actions based on its location and known mobile network operator characteristics by consulting a network behavior template, ignoring suspicious commands, alerting users, and potentially blacklisting rogue entities, ensuring secure communication protocols are maintained.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wireless device communicates with the cellular wireless network before security context activation, then the device can establish initial communication and authentication, but the messages are transmitted in clear, readable, unencrypted format that is vulnerable to eavesdropping and misuse
Solution Approach 1:
The patent applies preliminary action by implementing security measures before the vulnerable clear-text communication phase begins. The wireless device performs preliminary verification of the network entity's authenticity and establishes security context as early as possible in the connection process, before any sensitive messages are exchanged in unencrypted format.
Solution Approach 2:
The patent applies preliminary anti-action by proactively counteracting potential security threats before they can exploit the clear-text communication vulnerability. The device preemptively activates encryption and integrity protection mechanisms, and implements safeguards against rogue network entities before any unauthorized access or eavesdropping can occur.
2Reliability
If the wireless device verifies message integrity from network entities before security context activation, then the device can prevent security attacks from rogue entities, but the device lacks the cryptographic keys and mechanisms to perform verification at that stage
Solution Approach 1:
The patent resolves this contradiction by performing preliminary authentication and key establishment actions during the initial connection phase. The device and network entity exchange authentication information and establish cryptographic keys before any integrity-critical messages are transmitted, enabling verification capability to be present exactly when needed.
Solution Approach 2:
The patent uses an intermediary approach by introducing a trusted authentication mechanism that bridges the gap between the need for early verification and the availability of cryptographic tools. The authentication server or trusted network entity acts as an intermediary that enables integrity verification through authenticated key establishment protocols.
3Reliability
If the wireless device implements adaptive security actions based on location and network operator characteristics, then the device can protect against rogue entities in specific geographic regions, but the device must maintain and update security configurations for multiple network operators
Solution Approach 1:
The patent applies local quality by tailoring security behaviors to specific geographic locations and network operators. The device maintains location-aware security profiles that adapt authentication and encryption parameters based on the detected geographic region and serving network operator, enabling targeted protection against region-specific threats while optimizing security for each network context.
Solution Approach 2:
The patent implements dynamics by making security configurations adaptive and changeable based on runtime conditions. The device dynamically selects and updates security parameters according to its current location, the identified network operator, and detected threat levels, allowing the security posture to evolve in response to changing environmental factors rather than using static configurations.
Data Source
AI summary
A wireless device determines a location, identifies a mobile network operator (MNO), and/or experiences a network event. In some instances, the wireless device recognizes a base station as being operated by the MNO. Based on the location, the MNO and/or the network event, the wireless device determines a security action. The security action can include one or more of: (i) ignoring a network command associated with the network event, (ii) providing an alert notification via a user interface of the wireless device alerting a user of a security risk associated with the location, MNO, and/or network event, or (iii) ignoring communication from the base station temporarily or for an indefinite period of time. In some instances, the security action includes proceeding with normal communication with the base station at the location using network services of the MNO.