{"id":8109,"date":"2024-08-05T18:03:10","date_gmt":"2024-08-05T18:03:10","guid":{"rendered":"https:\/\/www.netvoix.com\/?p=8109"},"modified":"2025-04-18T15:20:15","modified_gmt":"2025-04-18T15:20:15","slug":"blog-de-informatica-infraestructura-de-seguridad-de-la-red","status":"publish","type":"post","link":"https:\/\/www.netvoix.com\/es\/it-blog-network-security-infrastructure\/","title":{"rendered":"Seguridad de red para infraestructuras inform\u00e1ticas modernas"},"content":{"rendered":"<p><span data-contrast=\"none\">Network Security: By the end of this blog, you will have a comprehensive understanding of the Zero Trust Network Security (ZTNS) approach and the critical role <\/span><span data-contrast=\"none\">of <\/span><span data-contrast=\"none\">Access Control (NAC). You will learn about the essential components of Zero Trust, including user and device authentication, dynamic access control, visibility and monitoring, policy enforcement, <\/span><span data-contrast=\"none\">and segmentation<\/span><span data-contrast=\"none\">. <\/span><\/p>\n<p><span data-contrast=\"none\">Additionally, we will delve into the costs and investments required to implement a Zero Trust framework, the complexities involved, and the benefits of working with experienced network integrators to ensure a successful deployment. <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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: #999;color:#999\" 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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.netvoix.com\/es\/it-blog-network-security-infrastructure\/#Understanding_Zero_Trust_Network_Security\" >Understanding Zero Trust Network Security\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.netvoix.com\/es\/it-blog-network-security-infrastructure\/#_The_Importance_of_Network_Access_Control_NAC\" >\u00a0The Importance of Network Access Control (NAC)\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.netvoix.com\/es\/it-blog-network-security-infrastructure\/#Costs_and_Investments_in_Implementing_Zero_Trust_Network_Security\" >Costs and Investments in Implementing Zero Trust Network Security\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.netvoix.com\/es\/it-blog-network-security-infrastructure\/#Conclusion\" >Conclusion\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.netvoix.com\/es\/it-blog-network-security-infrastructure\/#Take_Action_Today\" >Take Action Today<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Understanding_Zero_Trust_Network_Security\"><\/span><b><span data-contrast=\"none\">Understanding Zero Trust Network Security<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span data-contrast=\"none\">Zero Trust Network Security is a security concept that requires strict identity verification for every user and device attempting to access resources, whether inside or outside your company. Unlike traditional security models that trust users and devices within your company domains, Zero-Trust assumes that threats can exist inside and outside the company. <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">For example, imagine an employee trying to access a company\u2019s internal information. from their laptop. In a traditional security model, the employee\u2019s device might be trusted by default once inside the company. However, in a zero-trust model, the employee\u2019s identity and the device\u2019s security posture would be continuously verified. <\/span><\/p>\n<p><span data-contrast=\"none\">Even if the employee is working from the office, the system would still authenticate the user and check if the laptop complies with security policies before granting access to the information. \u00a0This ensures that only authenticated and compliant devices can access sensitive resources, significantly reducing the risk of a security breach.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8122\" title=\"Network Security\" src=\"https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/Network-Security-300x206.jpg\" alt=\"Network Security\" width=\"665\" height=\"457\" srcset=\"https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/Network-Security-300x206.jpg 300w, https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/Network-Security-1024x703.jpg 1024w, https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/Network-Security-768x527.jpg 768w, https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/Network-Security-1536x1055.jpg 1536w, https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/Network-Security-2048x1407.jpg 2048w, https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/Network-Security-18x12.jpg 18w\" sizes=\"auto, (max-width: 665px) 100vw, 665px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"_The_Importance_of_Network_Access_Control_NAC\"><\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><b><span data-contrast=\"none\">The Importance of Network Access Control (NAC)<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><span data-contrast=\"none\">Network Access Control <a href=\"https:\/\/www.hpe.com\/us\/en\/what-is\/network-access-control.html\" target=\"_blank\" rel=\"noopener\">(NAC)<\/a> is a powerful tool within the Zero Trust framework. It plays a critical role in several key areas:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><\/p>\n<ol>\n<li><strong>User and Device Authentication:<\/strong> NAC ensures that every user and device is authenticated before accessing network resources. This step is crucial for preventing unauthorized access and mitigating potential threats.<\/li>\n<li><strong>Dynamic Access Control:<\/strong> NAC provides real-time, dynamic access control based on user roles, device compliance status, and security posture. This flexibility is essential in a zero-trust environment where access decisions must continuously adapt to changing conditions.<\/li>\n<li><strong>Visibility and Monitoring:<\/strong> With NAC, organizations gain detailed visibility into who and what is connected to the company. Continuous monitoring helps detect and respond to suspicious activities promptly, enhancing overall security.<\/li>\n<li><strong>Policy Enforcement:<\/strong> NAC enforces security policies across the network, ensuring that devices meet specific security requirements before accessing critical resources. This enforcement helps maintain a robust security posture.<\/li>\n<li><strong>Segmentation and Least Privilege Access:<\/strong> NAC supports network segmentation and the principle of least privilege by restricting access to only necessary resources. This approach minimizes the attack surface and limits the impact of potential breaches.<\/li>\n<li><strong>Pre-Admission and Post-Admission Control:<\/strong> NAC enforces security policies before and after devices are granted access. It ensures that only compliant devices can connect and continuously monitor their activity to detect and respond to any deviations.<\/li>\n<li><strong>Endpoint Compliance and Remediation:<\/strong> NAC checks devices for compliance with security policies (e.g., up-to-date antivirus software and proper configurations) and can remediate issues before granting access. This ensures that only secure devices can interact with resources.<\/li>\n<li><strong>Guest and BYOD Management:<\/strong> NAC simplifies the management of guest devices and bring-your-own-device (BYOD) policies by providing secure access controls and segregating these devices from critical resources.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\"> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8113\" title=\"ztna 628x353\" src=\"https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/ztna-628x353-1.jpg\" alt=\"network-security\" width=\"735\" height=\"413\" srcset=\"https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/ztna-628x353-1.jpg 628w, https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/ztna-628x353-1-300x169.jpg 300w, https:\/\/www.netvoix.com\/wp-content\/uploads\/2024\/07\/ztna-628x353-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Costs_and_Investments_in_Implementing_Zero_Trust_Network_Security\"><\/span><b><span data-contrast=\"none\">Costs and Investments in Implementing Zero Trust Network Security<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span data-contrast=\"none\">Implementing a Zero-Trust Network involves significant costs and investments. According to Cisco, zero-trust investment includes deploying identity management tools, network segmentation, and continuous monitoring systems. <\/span><\/p>\n<p><span data-contrast=\"none\">The costs can vary based on the size and complexity of the organization. Still, Cisco reports that its own zero-trust journey resulted in annual productivity savings of $3.4 million and prevented 86,000 monthly system compromises.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Cisco&#8217;s Zero Trust framework emphasizes the need for comprehensive visibility and automated security posture assessments, which are critical for ensuring compliance and effective policy management across on-premises and cloud environments. <\/span><\/p>\n<p><span data-contrast=\"none\">The overall cost also includes the time and resources required for planning, implementing, and managing the zero-trust architecture, making it essential for organizations to have a clear strategy and adequate resources for a successful deployment.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><b><span data-contrast=\"none\">Conclusion<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span data-contrast=\"none\">In conclusion, Network Access Control is pivotal in the Zero Trust Network Security strategy. It provides the essential capabilities for authentication, dynamic access control, visibility, policy enforcement, and segmentation. <\/span><\/p>\n<p><span data-contrast=\"none\">As organizations continue to embrace Zero Trust principles, integrating NAC will be crucial in safeguarding their IT infrastructure against evolving cyber threats.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:264,&quot;469777462&quot;:[560,1120,1680,2240,2800,3360,3920,4480,5040,5600,6160,6720],&quot;469777927&quot;:[0,0,0,0,0,0,0,0,0,0,0,0],&quot;469777928&quot;:[1,1,1,1,1,1,1,1,1,1,1,1]}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">However, it&#8217;s important to note that implementing such a comprehensive security framework can be complex. It requires thorough planning, seamless integration of various security tools, and continuous management. <\/span><\/p>\n<p><span data-contrast=\"none\">For many organizations, partnering with an experienced and capable network integrator is a key component for the success of this project. These experts can help design, deploy, and manage a Zero Trust strategy tailored to your needs, ensuring a secure, resilient, and adaptive network environment.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:278}\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Take_Action_Today\"><\/span><strong>Take Action Today<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: center;\">Secure your organization with Network Access Control as the cornerstone of your Zero Trust strategy.<\/p>\n<p style=\"text-align: center;\"><strong><a title=\"Contact Us\" href=\"https:\/\/www.netvoix.com\/contact-us\/\" target=\"_blank\" rel=\"noopener\">Contact us now<\/a><\/strong> to partner with expert network integrators for a customized Zero Trust solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Network Security: By the end of this blog, you will have a comprehensive understanding of the Zero Trust Network Security (ZTNS) approach and the critical role of Access Control (NAC). You will learn about the essential components of Zero Trust, including user and device authentication, dynamic access control, visibility and monitoring, policy enforcement, and segmentation. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":8131,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-8109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quick-tips"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Network Security for Modern IT Infrastructure - NetVoiX<\/title>\n<meta name=\"description\" content=\"Understand Zero Trust Network Security and the critical role of Network Access Control (NAC). 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