Proper network segmentation. The segmentation process also defines how traffic flows from one part of the network to another based on the network segmentation policy. Continually monitor and audit Network segmentation is not a one-time task. See how a Pinecrest home upgraded from 300 Mbps WiFi to true 2GB performance with engineered WiFi 7, Cat6 cabling, and VLAN segmentation. Discover 10 essential network segmentation best practices to strengthen your cybersecurity in 2024. What Is Network Segmentation and Why It Matters Reviewed by Tom Stitt · July 25, 2025 Network segmentation is a cybersecurity strategy that divides a large network into smaller, isolated subnetworks. Proper network segmentation could have isolated the HVAC system from the rest of Target’s network, potentially preventing the hackers from accessing sensitive customer data. . Validate all changes Network segmentation, if done incorrectly, can introduce disruptions or even take parts of your network offline. These networks are usually designed around business needs, for example, having sub-networks for executives, finance, operations, and human resources or by keeping election functions separated from other county functions. Learn more about protecting your network. That said, network segmentation takes a long time and requires in-depth strategic planning. Audit and monitor your network. However, a network segmentation strategy can be expensive and hard to implement if the proper steps aren’t taken, and there isn’t clear communication from the management team. NIST sets standards and best practices for industries, including cybersecurity. Implement network segmentation to isolate critical systems and protect sensitive data to minimize the risk of cyber threats. This approach creates high-level boundaries designed to control traffic flow between these areas and Jun 2, 2025 · This article walks you through five practical steps to implement network segmentation effectively, backed by real-world use cases that showcase its value in different industries. What is a segmented network? Network segmentation is an architectural model that partitions a computer network into multiple segments or sub-networks that each function independently. Network segmentation in computer networking is the act or practice of splitting a computer network into subnetworks, each being a network segment. Network segmentation is an essential part of your enterprise’s overall cybersecurity posture; check out our best practices for your segmentation strategy! Network segmentation has become an essential security strategy for modern organizations looking to protect their digital assets and improve network performance. Network segmentation separates your network into smaller parts, strengthening boundaries around your systems. SEGMENTATION An effective technique to strengthen security, network segmentation is a physical or virtual architectural approach dividing a network into multiple segments, each acting as its own subnetwork providing additional security and control. Network Segmentation is the practice of splitting a network into multiple sub-networks. Require regulated entities to review and test the effectiveness of certain security measures at least once every 12 months, in place of the current general requirement to maintain security measures. In this blog post, we review the basics of network segmentation and describe how organizations should implement it as an ongoing process. This traditional approach creates boundaries… Read more Learn how to implement network segmentation, and explore best practices that enable enterprises to improve network security and compliance. Same lab. This article walks you through five practical steps to implement network segmentation effectively, backed by real-world use cases that showcase its value in different industries. Learn five practical steps to implement network segmentation effectively, improve security, and explore real-world use cases across multiple industries. Learn how VLAN-based network segmentation improves security, performance, compliance, and operational efficiency for businesses of all sizes. When evaluating and planning your architecture design, pay attention to how you plot access and what paths users will take to connect to your network. Discover the ultimate guide to network segmentation and how tools like Illumio can help shrink your enterprises’ attack surface and protect sensitive data. When an attacker gains initial access to your network, proper segmentation prevents them from easily moving to other network areas. Require separate technical controls for backup and recovery of ePHI and relevant electronic information systems. Strengthen your security posture with targeted network segmentation. Network Segmentation involves dividing a network into smaller, manageable subnets or zones, each with distinct security policies and access controls. Bishop Fox's updated guide to do-it-yourself network segmentation shows how to practically and inexpensively ensure network security for home or business . Discover what network segmentation is and how it enhances cybersecurity by limiting access and reducing attack surfaces. Segmentation slow down an attacker if he cannot implement attacks such as: SQL-injections, see SQL Injection Prevention Cheat Sheet; compromise of workstations of employees with elevated privileges; compromise of another server in the perimeter of the organization What is network segmentation and segregation? Network segmentation involves partitioning a network into smaller networks; while network segregation involves developing and enforcing a ruleset for controlling the communications between specific hosts and services. Implementing network segmentation best practices can limit the scope of an attack, prevent malware from spreading, and disrupt lateral movements across your IT ecosystem. Organizations with strong credential hygiene, MFA, and proper network segmentation successfully blocked these attacks. Key takeaways Properly network segmentation minimizes the level of access to sensitive information for applications, servers, and people who don’t need it, while enabling access for those that do. The next phase will be to rebuild the lab according to best practices: implementing strict firewall policies, minimizing the attack surface, and enforcing proper network segmentation. Protect critical assets, manage risk, and maintain secure boundaries. Check this article to find out how to get the best out of network segmentation! Network segmentation splits up a network to achieve better traffic flow control. Explore the concept of network segmentation, its benefits and its importance in protecting modern networks. Learn how network segmentation enhances security, boosts network performance, and protects critical assets by isolating subnets and limiting cyber threats. The next step is continually monitoring and auditing your network to ensure the architecture is secure and identify gaps in your subnetworks that could be exploited. Then, learn best practices for effective implementation. Learn how to segment a network using hardware or software into smaller, isolated segments or subnetworks to improve your network’s security. It enhances security by limiting unauthorized access and containing potential threats within defined boundaries. Always test and validate changes in a controlled environment before implementing them in your live network. Networks are const… Follow Least Privilege. Network segregation ensures maximum security by isolating critical systems entirely, preventing any interaction with less secure network areas. Ensure you’re following the best practices for network segmentation and maximizing your security profile using this quick guide. Similarly, it’s important to limit third-party access to your network to minimize exploitable entry points. Learn about the different types of network segmentation and methods like physical, virtual, SDN-based that enhance security, performance, and efficiency. Limit third-party access. Creating boundaries between the operational technology (OT) and information technology (IT) networks reduces many risks associated with the IT This blog post explores the importance of network segmentation for enhancing security and performance in organizational networks. Discover 6 network segmentation best practices MSPs use to stop lateral movement, contain threats, and keep business networks breach-proof. Network segmentation has been elevated as a solution that provides security without sacrificing performance because it enables the creation and maintenance of policies for different network segments. Discover the essentials of what network segmentation is and strategies for enhanced network security and efficiency. Segmenting your network is just the first step to a strong segmentation strategy. To help you navigate this IT transition, we present the best practices for effective network segmentation. 2 While network segmentation focuses on improving network uptime and manageability, zone segmentation primarily addresses security grouping based on security requirements. Here's what matters: the fundamentals still work. Advantages of such splitting are primarily for boosting performance and improving security. Network segmentation allows breached zones to be quarantined without affecting the entire system or enterprise network. Proper segmentation allows for granular, complete control over who and what can access specific network resources, significantly enhancing the organization’s security posture. You decided to pursue network segmentation, but do not have a clear idea on how to do it appropriately and without mistakes. Jan 2, 2026 · Learn how to use network segmentation best practices to effectively isolate network segments, minimize cyber threats, and maintain a robust security posture. Learn how dividing your network can improve overall security and performance. Oct 23, 2024 · Proper segmentation allows for granular, complete control over who and what can access specific network resources, significantly enhancing the organization’s security posture. Network segmentation is one of the simplest yet most effective ways to strengthen cybersecurity. What are the different types of segmentation? Macro-segmentation: The most common form of network segmentation, macro-segmentation is the practice of dividing a computer network into distinct segments, or zones, based on broad criteria such as department, function, application, or location. These two approaches serve distinct purposes within network architecture and security design. Undertaking network segmentation without awareness of challenges may not yield the expected security benefits and/or could lead to frustrating impacts to workflows. Learn the best practices to enhance overall security and reduce cybersecurity risks. Network segmentation divides a computer network into smaller, isolated segments to control and restrict communication. Learn how network segmentation compartmentalizes environments to limit blast radius, enabling granular access controls, visibility, and faster response. This technique aims to enhance network security by limiting lateral movement of threats and improving performance by reducing network congestion. Network segmentation divides a network into smaller sub-networks. What is network segmentation in cybersecurity? Learn about the benefits, common strategies, challenges with traditional approaches, and how to evolve segmentation to completely lock down lateral movement. In this guide, we break down what segmentation is, why it matters more than ever in today’s connected world, and how small and medium-sized Such network segmentation helps to create boundaries between data flows and limits the scope of potential cyber-attacks. Third-party remote access risks remain a key vulnerability for organizations. By dividing a network into smaller, isolated zones, businesses can reduce the impact of breaches, protect sensitive data, and improve performance. Learn how network segmentation protects SCADA systems using IEC 62443 zones and conduits, security levels, and DMZ architecture best practices. Networks are const… Network segmentation enhances security within an interconnected network by creating manageable segments. When segmenting your network, it’s important to minimize who and what has access within and across systems according to actual need. Require network segmentation. Aug 26, 2025 · When an attacker gains initial access to your network, proper segmentation prevents them from easily moving to other network areas. Network segmentation Cheat Sheet Introduction Network segmentation is the core of multi-layer defense in depth for modern services. Network segmentation divides networks into smaller sections, allowing organizations to exert greater control over network traffic and reduce their attack surface. Network Segmentation and Microsegmentation are critical security architecture concepts in CompTIA CASP+. Find out what network segmentation is, how it works, and how it can improve your company’s cybersecurity and performance. Discover the best practices for implementing network segmentation, including design principles, configuration tips, and ongoing management strategies. Make legitimate paths to access easier than illegitimate paths. In this article, you'll learn about network segmentation, why it's important and best practises on how you can implement it and improve your security posture. Discover the benefits and best practices for network segmenting to ensure effective implementation for your enterprise, and explore how FireMon can help. Network segmentation best practices enable enterprises to create the network boundaries where a zero-trust security policy can enforce access controls. This containment capability transforms what could be a business-ending breach into a manageable security incident. Want to improve network security? Follow these 5 steps to implement network segmentation and learn about its key use cases. 7unmk, ng2p, lkg3, fljpf, 63pg, pfxu, 36yq, ue7pd, ozeux, abid,