What are the benefits and challenges of using wireless security standards such as WPA3 and 802.11ax?

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Wireless security is a vital aspect of cybersecurity, especially in the era of remote work, smart devices, and cloud computing. However, wireless networks are also vulnerable to various attacks and threats, such as eavesdropping, spoofing, denial-of-service, and man-in-the-middle. To protect wireless data and devices, security standards such as WPA3 and 802.11ax have been developed and implemented. In this article, we will explore the benefits and challenges of using these standards, and look at some case studies of wireless security in different scenarios.

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Mic Merritt

Cybersecurity Executive | Red Team and AI Security Leader | Strategic Risk & Compliance | Educator | CISSP | The Cyber…

1 WPA3: The latest Wi-Fi security protocol

WPA3 is the newest version of the Wi-Fi Protected Access protocol, which encrypts and authenticates wireless data. WPA3 offers several improvements over its predecessor, WPA2, such as stronger encryption, enhanced protection against brute-force attacks, and easier setup for devices without displays. WPA3 also supports a feature called Opportunistic Wireless Encryption, which provides encryption even for open networks that do not require passwords. However, WPA3 is not without its drawbacks, such as compatibility issues with older devices, potential vulnerabilities to side-channel attacks, and higher computational costs.

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Mic Merritt

Cybersecurity Executive | Red Team and AI Security Leader | Strategic Risk & Compliance | Educator | CISSP | The Cyber Hammer ??
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The side-channel attacks mentioned here refer to timing and cache-based side-channel leaks in the Dragonfly password encoding method (the Dragonfly handshake). Here's a deeper review of "Dragonblood" if you'd like to learn more: https://papers.mathyvanhoef.com/dragonblood.pdf

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2 802.11ax: The next generation of Wi-Fi

802.11ax is the latest standard for wireless communication, also known as Wi-Fi 6. 802.11ax aims to improve the speed, efficiency, and reliability of wireless networks, especially in high-density environments such as offices, stadiums, and airports. 802.11ax uses technologies such as orthogonal frequency-division multiple access, multi-user multiple-input multiple-output, and target wake time to increase the throughput, capacity, and battery life of wireless devices. However, 802.11ax also faces some challenges, such as interference from other wireless signals, complex configuration and management, and higher hardware requirements.

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Mic Merritt

Cybersecurity Executive | Red Team and AI Security Leader | Strategic Risk & Compliance | Educator | CISSP | The Cyber Hammer ??
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802.11ax is all about better and more efficient use of existing radio frequency medium. Higher data rates and wider channels were not the goal, and instead it's focused on more efficient traffic management. So, if you hear anyone talking about WiFi 6, remember - high efficiency (HE).

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3 Wireless security in healthcare

Healthcare is one of the sectors that relies heavily on wireless technology, such as medical devices, patient monitors, and mobile applications. Wireless security is crucial for ensuring the confidentiality, integrity, and availability of sensitive health information and critical medical services. Some of the benefits of using WPA3 and 802.11ax in healthcare include stronger data protection, faster data transmission, and lower power consumption. However, some of the challenges include updating legacy devices, complying with regulatory standards, and training staff and patients on wireless security best practices.

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Mic Merritt

Cybersecurity Executive | Red Team and AI Security Leader | Strategic Risk & Compliance | Educator | CISSP | The Cyber Hammer ??
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WiFi 6 is being touted as an absolute game changer in healthcare. In particular: - Increased network efficiency and lower latency - More data transferred at the same time - Greater numbers of concurrent connections - Higher data rates and greater network capacity - Increases in throughput and the encoding of more data - Improved battery life, especially in IoT and IoMT devices

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4 Wireless security in education

Education is another sector that uses wireless technology extensively, such as laptops, tablets, and smart boards. Wireless security is important for protecting the privacy, intellectual property, and reputation of students, teachers, and institutions. Some of the benefits of using WPA3 and 802.11ax in education include improved network performance, increased network access, and enhanced learning experience. However, some of the challenges include securing BYOD devices, preventing unauthorized access, and educating users on wireless security awareness.

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Mic Merritt

Cybersecurity Executive | Red Team and AI Security Leader | Strategic Risk & Compliance | Educator | CISSP | The Cyber Hammer ??
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Lots of users with varying needs for throughput, makes WiFi 6 very effective in providing spectrum for each device according to that device’s needs and allocating channels to different users in smaller chunks. Definitely a win for schools.

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5 Wireless security in hospitality

Hospitality is a sector that offers wireless services to its customers, such as hotels, restaurants, and airports. Wireless security is essential for ensuring the satisfaction, loyalty, and safety of guests and staff. Some of the benefits of using WPA3 and 802.11ax in hospitality include better guest experience, higher service quality, and lower operational costs. However, some of the challenges include maintaining network coverage, managing network traffic, and mitigating cyber risks.

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Mic Merritt

Cybersecurity Executive | Red Team and AI Security Leader | Strategic Risk & Compliance | Educator | CISSP | The Cyber Hammer ??
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Honestly, I don't know about this one. WiFi 6's performance enhancements really do not provide much of a difference over those of WiFi 5. So for those that just want to connect their personal devices in an average-sized hotel, WiFi 5 can certainly handle that just fine with fast speeds and reliable connections. But, should you really be using hotel WiFi? That's a topic I guess for another article :-)

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What are the benefits and challenges of using wireless security standards such as WPA3 and 802.11ax?

1

2

3

4

5

6

1 WPA3: The latest Wi-Fi security protocol

2 802.11ax: The next generation of Wi-Fi

3 Wireless security in healthcare

4 Wireless security in education

5 Wireless security in hospitality

6 Here’s what else to consider

Cybersecurity

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What are the benefits and challenges of using wireless security standards such as WPA3 and 802.11ax?

1

2

3

4

5

6

1 WPA3: The latest Wi-Fi security protocol

2 802.11ax: The next generation of Wi-Fi

3 Wireless security in healthcare

4 Wireless security in education

5 Wireless security in hospitality

6 Here’s what else to consider

Cybersecurity

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