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Make your voice heard. 5G is rolling out across the world such as speed, reliability, and network efficiency. 5G is unlocking or improving use cases such as IoT communications at the edge, high quality video, lower latency to support industry controls and automation, highly-accurate…" /> <meta property="og:url" content="https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/" /> <meta property="og:site_name" content="5G Technology World" /> <meta property="article:published_time" content="2020-04-22T07:00:28+00:00" /> <meta property="article:modified_time" content="2020-05-13T13:27:25+00:00" /> <meta property="og:image" content="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg" /> <meta property="og:image:width" content="1678" /> <meta property="og:image:height" content="904" /> <meta property="og:image:type" content="image/jpeg" /> <meta name="author" content="Martin Rowe" /> <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:label1" content="Written by" /> <meta name="twitter:data1" content="Ryan Orsi, WatchGuard Technologies" /> <meta name="twitter:label2" content="Est. reading time" /> <meta name="twitter:data2" content="4 minutes" /> <script type="application/ld+json" class="yoast-schema-graph">{"@context":"https://schema.org","@graph":[{"@type":"WebPage","@id":"https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/","url":"https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/","name":"What every engineer can do about 5G/Wi-Fi handoff security - 5G Technology World","isPartOf":{"@id":"https://www.5gtechnologyworld.com/#website"},"primaryImageOfPage":{"@id":"https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/#primaryimage"},"image":{"@id":"https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/#primaryimage"},"thumbnailUrl":"https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg","datePublished":"2020-04-22T07:00:28+00:00","dateModified":"2020-05-13T13:27:25+00:00","author":{"@id":"https://www.5gtechnologyworld.com/#/schema/person/11f8ad5a7e3d9402e92b61cdbf2e1346"},"breadcrumb":{"@id":"https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/#primaryimage","url":"https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg","contentUrl":"https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg","width":1678,"height":904,"caption":"Figure 1. 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security</h1> <p class="entry-meta"><span class="entry-author">By <a href="" class="entry-author-link" rel="author"><span class="entry-author-name">Ryan Orsi, WatchGuard Technologies</span></a></span> | <time class="entry-time">April 22, 2020</time></p></header><div class="entry-content"><div class="share-before share-filled share-small" id="share-before-16616"><div class="facebook" id="facebook-before-16616" data-url="https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/" data-urlalt="https://www.5gtechnologyworld.com/?p=16616" data-text="What every engineer can do about 5G/Wi-Fi handoff security" data-title="Share" data-reader="Share on Facebook" data-count="%s shares on Facebook"></div><div class="twitter" id="twitter-before-16616" data-url="https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/" data-urlalt="https://www.5gtechnologyworld.com/?p=16616" data-text="What every engineer can do about 5G/Wi-Fi handoff security" data-title="Share" data-reader="Share this" data-count="%s Shares"></div><div class="pinterest" id="pinterest-before-16616" data-url="https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/" data-urlalt="https://www.5gtechnologyworld.com/?p=16616" data-text="What every engineer can do about 5G/Wi-Fi handoff security" data-title="Pin" data-reader="Pin this" data-count="%s Pins"></div><div class="linkedin" id="linkedin-before-16616" data-url="https://www.5gtechnologyworld.com/what-every-engineer-can-do-about-5g-wi-fi-handoff-security/" data-urlalt="https://www.5gtechnologyworld.com/?p=16616" data-text="What every engineer can do about 5G/Wi-Fi handoff security" data-title="Share" data-reader="Share on LinkedIn" data-count="%s shares on LinkedIn"></div></div> <script type='text/javascript'> jQuery(document).ready(function($) { $('#facebook-before-16616').sharrre({ share: { facebook: true }, urlCurl: 'https://www.5gtechnologyworld.com/wp-content/plugins/genesis-simple-share/assets/js/sharrre/sharrre.php', enableHover: false, enableTracking: true, disableCount: true, buttons: { }, click: function(api, options){ api.simulateClick(); api.openPopup('facebook'); } }); $('#twitter-before-16616').sharrre({ share: { twitter: true }, urlCurl: 'https://www.5gtechnologyworld.com/wp-content/plugins/genesis-simple-share/assets/js/sharrre/sharrre.php', enableHover: false, enableTracking: true, buttons: { }, click: function(api, options){ api.simulateClick(); api.openPopup('twitter'); } }); $('#pinterest-before-16616').sharrre({ share: { pinterest: true }, urlCurl: 'https://www.5gtechnologyworld.com/wp-content/plugins/genesis-simple-share/assets/js/sharrre/sharrre.php', enableHover: false, enableTracking: true, buttons: { pinterest: { media: 'https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg', description: 'What every engineer can do about 5G/Wi-Fi handoff security' } }, click: function(api, options){ api.simulateClick(); api.openPopup('pinterest'); } }); $('#linkedin-before-16616').sharrre({ share: { linkedin: true }, urlCurl: 'https://www.5gtechnologyworld.com/wp-content/plugins/genesis-simple-share/assets/js/sharrre/sharrre.php', enableHover: false, enableTracking: true, buttons: { }, click: function(api, options){ api.simulateClick(); api.openPopup('linkedin'); } }); }); </script><p><em>Security in handoffs from cellular base stations to Wi-Fi needs help. Make your voice heard.</em></p> <p>5G is rolling out across the world such as speed, reliability, and network efficiency. 5G is unlocking or improving use cases such as IoT communications at the edge, high quality video, lower latency to support industry controls and automation, highly-accurate location tracking, and more.</p> <p>5G’s mmWave signals don’t penetrate buildings, bringing more opportunity for handover to Wi-Fi networks, commonly referred to as “Hotspot 2.0” or <a href="https://www.wi-fi.org/discover-wi-fi/passpoint">Passpoint</a> by the Wi-Fi Alliance. Most consumers that use cellular don’t realize this is happening, but already <a href="https://www.cisco.com/c/dam/m/en_us/network-intelligence/service-provider/digital-transformation/knowledge-network-webinars/pdfs/190320-mobility-ckn.pdf">Cisco reports</a> 59% of 4G traffic will be offloaded to Wi-Fi access points (APs) by 2022. This mutually beneficial relationship between Wi-Fi and cellular lets both technologies play to their strengths. For example, no one is going to pitch designing Wi-Fi to cover a highway with cars moving 70+ MPH. Dense indoor environments are a better fit for lower cost Wi-Fi deployments.</p> <p>Mobile carriers utilize Wi-Fi networks to extend network capacity to their subscribers and the transition from cellular to Wi-Fi on mobile devices is mostly transparent to the user. Unlike Wi-Fi hotspots that prompt with captive portals, users simply walk into a hotel, shopping center, airport, even their homes, and their mobile devices automatically switch from cellular to Wi-Fi. Cellular engineers working in this space need to know a few key things about the Wi-Fi networks to which their mobile subscribers’ devices are often handed off.</p> <p>First, Wi-Fi as an attack surface has been neglected. Wi-Fi went mainstream in 1999, but as <strong>Figure 1</strong> shows, there are still six Wi-Fi threat categories that operate at layer two of the <a href="https://en.wikipedia.org/wiki/OSI_model">OSI model</a>. Hackers equipped with simple <a href="https://www.youtube.com/results?search_query=evil+twin+wifi">YouTube videos</a> and <a href="https://shop.hak5.org/products/wifi-pineapple">online tools</a> can easily exploit these threats on many Wi-Fi networks. The typical result of a Wi-Fi attack is for a third party to eavesdrop on the communication, silently intercepting usernames, passwords, credit card numbers, social profile information other valuable information.</p> <div id="attachment_16622" style="width: 1688px" class="wp-caption alignright"><a href="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg" target="_blank" rel="noopener noreferrer"><img decoding="async" aria-describedby="caption-attachment-16622" class="wp-image-16622 size-full" src="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg" alt="" width="1678" height="904" srcset="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1.jpg 1678w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1-300x162.jpg 300w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1-1024x552.jpg 1024w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1-768x414.jpg 768w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1-1536x827.jpg 1536w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig1-368x198.jpg 368w" sizes="(max-width: 1678px) 100vw, 1678px" /></a><p id="caption-attachment-16622" class="wp-caption-text">Figure 1. Hackers have six entry points with this to attack Wi-Fi networks. Image: TrustedWirelessEnvironment.com</p></div> <p>Second, this handoff uses the enterprise option for the two main Wi-Fi authentication standards: WPA2 and WPA3. Although this is the most secure form of authentication for Wi-Fi, security researchers have already exposed vulnerabilities in one of the encryption options for enterprise authentication, <a href="https://wire.less.dk/?p=190" target="_blank" rel="noopener noreferrer">MS-CHAPV2</a>, and <a href="https://wifininjas.net/index.php/2019/08/23/wn-blog-012-can-you-crack-802-1x-wpa2-enterprise-wireless-data/" target="_blank" rel="noopener noreferrer">future research</a> may lead to new vulnerabilities. For example, the <a href="https://www.wi-fi.org/download.php?file=/sites/default/files/private/Wi-Fi_CERTIFIED_Passpoint_Deployment_Guidelines_v1.3.pdf" target="_blank" rel="noopener noreferrer">Passpoint Deployment Guidelines</a> (Rev 1.3) provide Table 11 (<strong>Figure 2</strong>), which describes the various credential types that may be used to authenticate a mobile device to a Wi-Fi Passpoint network. The engineers designing the system ultimately determine what credential type to use and most would not use the MS-CHAPV2 authentication method.</p> <div id="attachment_16617" style="width: 1788px" class="wp-caption aligncenter"><a href="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2.png"><img decoding="async" aria-describedby="caption-attachment-16617" class="size-full wp-image-16617" src="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2.png" alt="" width="1778" height="668" srcset="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2.png 1778w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2-300x113.png 300w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2-1024x385.png 1024w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2-768x289.png 768w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2-1536x577.png 1536w, https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Watchguard_fig2-368x138.png 368w" sizes="(max-width: 1778px) 100vw, 1778px" /></a><p id="caption-attachment-16617" class="wp-caption-text">Figure 2. Table 11 from Passpoint Deployment Guidelines specifies methods and credentials for Extensible Authentication Protocol (EAP). Source: Passpoint Deployment Guidelines</p></div> <p>For individuals concerned about possible cellular to Wi-Fi handover security vulnerabilities, a virtual private network (VPN) service can be easily utilized to encrypt communication, keeping it private from attackers who could be eavesdropping. Businesses that currently have, or are looking to deploy Wi-Fi access points (APs) with Hotspot 2.0 (Passpoint) enabled should make sure the APs they are using have been independently tested and confirmed capable of automatically detecting and preventing the six known Wi-Fi threat categories. With this Wi-Fi security in place, the business and the cellular users in that area will be safe from possible future cellular to Wi-Fi handover vulnerabilities.</p> <p>Engineers working in this space also do have an opportunity to create proprietary security protection for the cellular to Wi-Fi handover attack surface. This could become a point of differentiation for various mobile carrier networks.</p> <p>A more global approach to securing the cellular to Wi-Fi handover attack surface involves the power that engineers can use to help advocate for new security standards within the industry. Engineers can show their support for such an idea by signing the Trusted Wireless Environment petition <a href="http://trustedwirelessenvironment.com/">here</a>, to support an initiative aimed at building more visibility and awareness about this security issue among various standards organizations. By consciously making cellular to Wi-Fi handover security a focus among engineering teams, conferences, social networking technical groups, the wireless world can become safer for everyone.</p> <p><strong><a href="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Ryan_Orsi_150x162.jpg"><img loading="lazy" decoding="async" class="alignleft wp-image-16626" src="https://www.5gtechnologyworld.com/wp-content/uploads/2020/04/Ryan_Orsi_150x162.jpg" alt="Ryan Orsi" width="114" height="123" /></a>Ryan Orsi</strong> <em>is Director of Product Management at WatchGuard Technologies, where he leads the company’s Secure Wi-Fi solutions portfolio. He has experience bringing disruptive wireless products to the WLAN, IoT, medical and consumer wearable markets. As a VP of Business Development in the RF industry, he led sales and business development teams worldwide to success indirect and channel environments. He holds MBA and Electrical Engineering degrees and is a named inventor on 19 patents and applications.</em></p> <p><strong>Related articles</strong></p> <ul> <li><a href="https://www.eeworldonline.com/wi-fi-alliance-debuts-next-gen-security-protections-with-wpa3/" target="_blank" rel="noopener noreferrer">Wi-Fi Alliance Debuts Next-Gen Security Protections with WPA3</a></li> <li><a href="https://www.eeworldonline.com/wi-fi-alliance-unveils-wpa3-security-protocol/" target="_blank" rel="noopener noreferrer">Wi-Fi Alliance Unveils WPA3 Security Protocol</a></li> <li><a href="https://www.eeworldonline.com/how-your-wifi-can-protect-against-intruders/" target="_blank" rel="noopener noreferrer">How Your WiFi Can Protect Against Intruders</a></li> <li><a href="https://www.eeworldonline.com/cybersecurity-basics-server-end-device-relationship-lorawan/" target="_blank" rel="noopener noreferrer">Cybersecurity basics: Server and end device relationship to LoRaWAN network, Part 1</a></li> <li><a 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