IEEE 802.11-22 TGbi Enhanced Data Privacy Update
Explore the latest developments in IEEE 802.11-22 TGbi's efforts to enhance data privacy, focusing on modifications to the IEEE Std. 802.11 MAC specification to improve user privacy. Learn about use cases, next steps, and the timeline for addressing privacy issues within Wi-Fi devices. Get involved in shaping the future of data privacy within the standard.
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doc.: IEEE 802.11-22/0058r0 January 2022 EDP TGbi Agenda - January 2022 Authors: Date: 2022-01-13 Name Affiliations Address Phone Email Carol Ansley Cox Communications +1-404-229-1672 carol@ansley.com Carol Ansley, Cox
doc.: IEEE 802.11-22/0058r0 January 2022 Abstract This presentation summarizes 802.11 TGbi s scope and activities to date. It also covers the expected future timeline. Carol Ansley, Cox
doc.: IEEE 802.11-22/0058r0 January 2022 TGbi Enhanced Data Privacy TGbi is developing a new amendment specifying modifications to the IEEE Std 802.11 medium access control (MAC) specification to develop new mechanisms that address and improve user privacy. Devices incorporating IEEE Std 802.11, such as Wi-Fi devices, are ubiquitous and being compliant with IEEE Std 802.11 may not always sufficiently protect users from user tracking and user profiling attacks. Work has been done in this area in IEEE Std 802.11aq-2018, but the 802.11 Working Group agreed that it was appropriate for a fresh look at these issues. TGbh is working on short-term remediation of MAC address randomization, while TGbi has a wider scope to examine general privacy issues and improvements to the standard. Carol Ansley, Cox
doc.: IEEE 802.11-22/0058r0 January 2022 TGbi Enhanced Data Privacy Example Use Cases Several submissions have identified potential privacy exposures related to post-association MAC addresses. The current 802.11 standard requires a station to use the same MAC address continuously during a single association which implies that a person monitoring the air can determine whether or not a certain device has remained associated and thus infer the location of that device s user. A related use case pointed out that in a Smart Home, many IoT devices do not change their MAC address at all, currently. In addition, an IoT device s function may be inferred by monitoring its traffic. If all of the traffic from a camera, for example, uses the same MAC address, it is not hard to determine when the camera is actively transmitting video and when it is not. Carol Ansley, Cox
doc.: IEEE 802.11-22/0058r0 January 2022 TGbi Enhanced Data Privacy Next Steps The Task Group has completed its call for use cases and issues. In the upcoming Interim session, TGbi will motion to close consideration of new use cases and issues, then turn to the development of requirements related to the issues and use cases that have been identified. TGbi welcomes participation and submissions from anyone interested in the topic of improving data privacy. Carol Ansley, Cox
doc.: IEEE 802.11-22/0058r0 January 2022 Timeline TG use case start: Use case completion: Features identified: LB initial: LB re-circ: Ballot Pool: MDR: SA ballot: SA re-circ: 802.11/EC approval: RevCom/SASB approval: March 2021 January 2022 July 2022 March 2023 September 2023 May 2024 May 2024 July 2024 January 2025 July 2025 September 2025 Carol Ansley, Cox
doc.: IEEE 802.11-22/0058r0 January 2022 Organizing Plan Continuing call for submissions Submissions can include use cases and/or issue identification COMPLETE January 2022 Develop a Use Case/Requirement Document based on submissions Develop a Draft based on approved features Carol Ansley, Cox
doc.: IEEE 802.11-22/0058r0 January 2022 Amendment Title Standard for Information technology--Telecommunications and information exchange between systems Local and metropolitan area networks--Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications-- Amendment: Enhanced service with user privacy protection Carol Ansley, Cox
