{"id":17970,"date":"2024-08-09T20:00:00","date_gmt":"2024-08-09T20:00:00","guid":{"rendered":"https:\/\/www.esecurityplanet.com\/?p=17970"},"modified":"2024-08-09T21:26:13","modified_gmt":"2024-08-09T21:26:13","slug":"vpn-security-best-practices","status":"publish","type":"post","link":"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/","title":{"rendered":"6 VPN Security Best Practices for Secure Connection"},"content":{"rendered":"\n<p>Every network connection, every device, every user\u2014well-meaning or not\u2014exposes a network to risk. But you can\u2019t do business in an unconnected silo. Online commerce drives the velocity of business from front-end to back-end. Types of devices using network access have proliferated.<\/p>\n\n\n\n<p>This has made businesses more responsive, more agile\u2014and more vulnerable. According to available data, more than 4,600 common IT vulnerabilities were discovered in 2010. In 2023, that number reached more than 29,000. You can only secure the traffic that goes on within your walls. Enter the Virtual Private Network (VPN): Non-physical walls to insulate that traffic.<\/p>\n\n\n\n<p>Here are some tips for both users and network administrators to secure your network with a VPN.<\/p>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_68_1 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-66d6d831a32bb\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ffffff;color:#ffffff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ffffff;color:#ffffff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-66d6d831a32bb\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#How-VPN-Works\" title=\"How VPN Works\">How VPN Works<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Kill-Phishing\" title=\"Kill Phishing\">Kill Phishing<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Care-Control\" title=\"Care &amp; Control\">Care &amp; Control<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Log-Out\" title=\"Log Out\">Log Out<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Admin-Best-Practices\" title=\"Admin Best Practices\">Admin Best Practices<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Use-Standards-Based-Connections\" title=\"Use Standards-Based Connections\">Use Standards-Based Connections<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Use-the-Best-Encryption\" title=\"Use the Best Encryption\">Use the Best Encryption<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Know-Your-Enemy\" title=\"Know Your Enemy\">Know Your Enemy<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#FAQs\" title=\"FAQs\">FAQs<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security-best-practices\/#Bottom-Line\" title=\"Bottom Line\">Bottom Line<\/a><\/li><\/ul><\/nav><\/div>\n\n<!-- ICP Plugin: Start --><div class=\"icp-list icp-list-main icp-list-body-top3 row\">\n    \n        <!--\n            ICP Plugin - body top3\n            ----------\n            Category: \n            Country: HK\n        -->\n    <\/div>\n<!-- ICP Plugin: End -->\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"How-VPN-Works\"><\/span>How VPN Works<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A <a href=\"https:\/\/www.esecurityplanet.com\/networks\/vpn-security\/\">virtual private network<\/a>, or VPN, \u201cprovides a secure communication mechanism for data and control information between computers or networks.\u201d VPNs encrypt traffic among devices using the Internet Key Exchange (IKE) protocol over a network-layer security service called Internet Protocol Security, or IPSec.<\/p>\n\n\n\n<p>The network layer is a key layer of the Open Systems International (OSI) reference model defined by the International Organization for Standardization (ISO). There are seven layers in the model. The top four levels are host layers\u2014they deal with data in the context of applications and make it available to other applications across the network.&nbsp;<\/p>\n\n\n\n<p>The network layer is at the top of the media layers. It controls structure, addressing, and routing across disparate network nodes. Beneath the network layer are layers that control data transmission at frame (data link layer\u2013transmitting data among physically connected machines) and bit (physical layer) levels. The network layer is the guardian between data and transport.<\/p>\n\n\n\n<p>A VPN masks traffic and connections. It does not scan for malware. It does not block phishing scams, hacking attempts, viruses, or malware. A VPN can establish a perimeter. Within that perimeter, we can control those threats. But a VPN doesn\u2019t do it alone. It requires software protection and, probably most importantly, user education about best practices.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Kill-Phishing\"><\/span>Kill Phishing<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>This may be the easiest and hardest user behavior to control. Employees must understand that any email that looks like it\u2019s a scam, is a scam. It\u2019s terrible when users let scam artists get a foothold in their system; if that foothold is in the business, it could kill it.&nbsp;<\/p>\n\n\n\n<p>While effective filters can minimize the impact on corporate devices and e-mail accounts, the personal devices that have become so prevalent for employees are easy entry points for a phisher\u2014if employees don\u2019t recognize the obvious signs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Care-Control\"><\/span>Care &amp; Control<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>There are simply too many personal device apps that are potential vectors for network access and disruption. While the apps on a personal device are a threat, a much bigger threat are conveniences offered by, for example, Google, which offers to \u201cmanage\u201d passwords. If someone who is a threat gets hold of an end-user device, access to the <a href=\"https:\/\/www.esecurityplanet.com\/networks\/network-security\/\">network security<\/a> is a cinch.&nbsp;<\/p>\n\n\n\n<p>Users must be educated in secure password protocols. Do not store business network credentials on a device you aren\u2019t sure you won\u2019t lose. And since you can\u2019t be sure, you won\u2019t lose one.<\/p>\n\n\n\n<p>On the bright side, biometric security features based on facial or fingerprint recognition have become more commonplace. A user can forget a password, but not a fingerprint. However, the Identity Management Institute notes that <a href=\"https:\/\/identitymanagementinstitute.org\/biometric-authentication-challenges\/\" target=\"_blank\" rel=\"noreferrer noopener\">biometric systems are vulnerable<\/a> to false positives and false negatives. And biometric information has to be stored somewhere; a hacker with access to that data has the keys to the castle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Log-Out\"><\/span>Log Out<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A logged-in personal device is an attack vector. Log out and put up with the annoyance of a <a href=\"https:\/\/www.bu.edu\/tech\/support\/information-security\/security-for-everyone\/how-to-choose-a-strong-password\/\" target=\"_blank\" rel=\"noreferrer noopener\">suitable password. (Note that this post from Boston University<\/a> suggests using a password manager, which gives anyone who can log in to the phone access to all the connected apps.) While on the topic of personal devices, avoid using one on your business network that has not been cleared and secured by your IT security staff.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Admin-Best-Practices\"><\/span>Admin Best Practices<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If VPNs are a virtual extension of network walls, administrators are charged with defending against <a href=\"https:\/\/www.esecurityplanet.com\/networks\/network-security-threats\/\">network threats<\/a> from both inside those walls and outside. A well-trained user community would be the best defense\u2014if it weren\u2019t for the fact that they\u2019re human. And remember, a VPN can only protect traffic and connections within the network.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Use-Standards-Based-Connections\"><\/span>Use Standards-Based Connections<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>According to the <a href=\"https:\/\/www.nsa.gov\/Press-Room\/News-Highlights\/Article\/Article\/2791320\/nsa-cisa-release-guidance-on-selecting-and-hardening-remote-access-vpns\/\" target=\"_blank\" rel=\"noreferrer noopener\">National Security Agency and the Cybersecurity and Infrastructure Security Agency<\/a>, standards-based connections are generally safer than custom-coded solutions. IKE\/IPSec systems are generally more secure than custom-coded Secure Socket Layer\/Transport Layer Security (SSL\/TLS) VPNs, which work below the guardian Network Layer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Use-the-Best-Encryption\"><\/span>Use the Best Encryption<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>VPN traffic is encrypted and decrypted, obscuring both data and source. However, all encryption is not equal, even among the open-source Advanced Encryption Standards (AES) created by NIST in the 1990s. There are 128-bit, 196-bit, and 256-bit versions of AES.<\/p>\n\n\n\n<p>You might guess that 256-bit encryption keys would be the most secure, and you\u2019d be right. AES uses 14 rounds of encryption, each key shifting, transposing, or substituting 256-bit data blocks, making it more or less uncrackable. AES is also symmetrical: the same key is used to encrypt and decrypt the packets, making it faster than asymmetric encryption.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Know-Your-Enemy\"><\/span>Know Your Enemy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>This is a catch-all of best practices that comes back to the unfortunate fact that your users are your biggest vulnerability. Some ways you can mitigate that vulnerability include:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"text-transform:none\">Education<\/h3>\n\n\n\n<p>Users who don\u2019t know they\u2019re endangering the corporate network will. Education of the user base has the best security ROI. If users who do know they\u2019re endangering the network continue to do so, that\u2019s another issue. It may have HR or physical security implications. In any event \u2026<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"text-transform:none\">Secure Access to the Network<\/h3>\n\n\n\n<p>If staff don\u2019t need mobile access to the VPN, don\u2019t allow it. Control network access according to IP address. Vet devices to be used on the network. Push back on devices that can install potentially insecure applications, even if it&#8217;s a VP\u2019s laptop. Block unnecessary access to social media applications through the network.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"text-transform:none\">Push Security Features<\/h3>\n\n\n\n<p>VPNs secure data and connections, and provide a protected perimeter. For other security threats\u2014those that are wittingly or unwittingly brought within the perimeter\u2014other solutions are necessary. Push them to user devices where possible and update them regularly. Monitor sites that report zero-day exploits.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"text-transform:none\">Do VPNs Actually Improve Security?<\/h3>\n\n\n\n<p>Strong encryption, which is the heart of the VPN, secures data and identity in transit (and in the case of 256-bit AES, is for all intents and purposes, unexploitable). It doesn\u2019t protect against end-point exploits or lack of user sophistication. Other solutions must be used to complement VPNs to secure the network.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"text-transform:none\">Is There Something More Secure Than a VPN?<\/h3>\n\n\n\n<p>Many tout Tor as an alternative to a VPN. It\u2019s an open-source product that obscures user identity by routing traffic through a network of volunteer servers. It\u2019s free but can be slow and unreliable. A software-defined perimeter (SDP) is the manifestation of zero-trust principles in the form of an overlay network that masks system resources. These are particularly useful to protect against denial-of-service and other network-based attacks.<\/p>\n\n\n\n<p>Almost every website now runs Hypertext Transfer Protocol Secure (HTTPS), which is subject to the limitations of its SSL\/TLS encryption. Virtual desktop infrastructure (VDI) works well for small and scalable operations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"text-transform:none\">What Security Challenges Do VPNs Solve?<\/h3>\n\n\n\n<p>VPNs control access and provide identity management. They can obscure user activity from the Internet at large, offering some protection to password and credential information. With compatible and complementary security management software to protect against intrusion and insulate against exploits, they form the cornerstone of a secure access policy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-transform:none\"><span class=\"ez-toc-section\" id=\"Bottom-Line\"><\/span>Bottom Line<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A virtual private network is vital to secure any business network users or customers have access to. Its identity and access management tools complement the insufficiencies in HTTPS. It is a network-layer gateway that insulates applications and data from the underlying transport mechanism.<\/p>\n\n\n\n<p>However, it can\u2019t protect a network against the huge number of application-level exploits without being bolstered by robust anti-malware and anti-intrusion software, as well as a well-educated network workforce.<\/p>\n\n\n<div id=\"ta-campaign-widget-66d6d831a1384-popup-wrapper\" class=\"ta-campaign-widget__popup-wrapper\">\n    \n<div\n    style=\"\n        --ta-campaign-plugin-primary: #3545ed;\n        --ta-campaign-plugin-button-text: #fff;\n        --ta-campaign-plugin-button-hover-background: #3231b4;\n        --ta-campaign-plugin-button-hover-text: #fff;\n        --ta-campaign-plugin-button-toggle-background: #3231b4;\n        --ta-campaign-plugin-button-toggle-text: #3231B4;\n    \"\n    data-ajax-url=\"https:\/\/www.esecurityplanet.com\/wp\/wp-admin\/admin-ajax.php\">\n    <div\n        id=\"ta-campaign-widget-66d6d831a1384\"\n        class=\"ta-campaign-widget ta-campaign-widget--popup\"\n        data-campaign-fields='{\"properties\":{\"campaign_type\":\"popup\",\"campaign_category\":false,\"sailthru_list\":[\"cybersecurity-insider\"],\"popup_type\":\"exit_intent\",\"appearance\":{\"colors\":{\"primary_color\":\"#3545ed\",\"button\":{\"button_text_color\":\"#fff\",\"hover\":{\"button_hover_background_color\":\"#3231b4\",\"button_hover_text_color\":\"#fff\"},\"toggle\":{\"button_toggle_background_color\":\"#3231b4\",\"button_toggle_text_color\":\"#3231B4\"}}},\"custom_scss\":\"\"},\"behavior\":{\"opt_in_enabled\":true},\"language\":{\"tagline\":\"Get the Free Cybersecurity Newsletter\",\"subtagline\":\"\",\"content\":\"Strengthen your organization&#39;s IT security defenses by keeping up to date on the latest cybersecurity news, solutions, and best practices. 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Discover the best practices for ensuring your connection is actually secure.<\/p>\n","protected":false},"author":349,"featured_media":36734,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gazelle_contributing_experts":"","footnotes":""},"categories":[14],"tags":[],"b2b_audience":[],"b2b_industry":[],"b2b_product":[],"class_list":["post-17970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-networks"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>6 VPN Security Best Practices for Secure Connection<\/title>\n<meta name=\"description\" content=\"VPNs alone do not guarantee that your connection is secure. 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