{"id":70293,"date":"2025-07-28T07:18:39","date_gmt":"2025-07-28T00:18:39","guid":{"rendered":"https:\/\/itsystems.vn\/monitoring-and-security-of-ot-systems-25-07-28\/"},"modified":"2026-07-29T11:34:51","modified_gmt":"2026-07-29T04:34:51","slug":"monitoring-and-security-of-ot-systems-25-07-28","status":"publish","type":"post","link":"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/","title":{"rendered":"Comprehensive Monitoring &#038; Security of OT Systems: Effective Solutions for 2023"},"content":{"rendered":"<p>In the context of industrial control systems (OT) increasingly being digitized and connected to IT networks, the challenge of <strong>monitoring and securing OT systems<\/strong> has become more urgent than ever. Not only facing conventional security risks, OT also harbors many specific vulnerabilities that can disrupt production and cause significant damage. So how do we build a robust <strong>OT security<\/strong> system to ensure the safety of business operations? Let&#8217;s explore comprehensive solutions in this article. <a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\" title=\"Monitoring and Security Solutions for OT Systems\">Monitoring and Security of OT Systems<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">The content of the article<\/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=\"Toggle Table of Content\"><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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Monitoring_and_Security_of_OT_Systems_Operational_Technology_Comprehensive_Solutions\" >Monitoring and Security of OT Systems (Operational Technology): Comprehensive Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#What_is_OT_and_Why_is_OT_Security_Important\" >What is OT and Why is OT Security Important?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#What_is_OT_Distinguishing_OT_from_IT_SCADA_PLC_DCS%E2%80%A6\" >What is OT? Distinguishing OT from IT (SCADA, PLC, DCS&#8230;)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Why_is_OT_an_Attractive_Target_for_Cyber_Attacks\" >Why is OT an Attractive Target for Cyber Attacks?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#The_Current_State_of_OT_Security_in_Vietnam_and_Worldwide_Alarming_Statistics\" >The Current State of OT Security in Vietnam and Worldwide: Alarming Statistics<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Risk_and_Security_Vulnerability_Identification_in_OT_Systems\" >Risk and Security Vulnerability Identification in OT Systems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Monitoring_and_Security_of_OT_Systems_Operational_Technology_Comprehensive_Solutions-2\" >Monitoring and Security of OT Systems (Operational Technology): Comprehensive Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Mapping_OT_Systems_Asset_Inventory_and_Network_Mapping\" >Mapping OT Systems: Asset Inventory and Network Mapping<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Network_Segmentation_in_OT_Principles_and_Benefits\" >Network Segmentation in OT: Principles and Benefits<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Vulnerability_Assessment_and_Penetration_Testing_for_OT_Systems\" >Vulnerability Assessment and Penetration Testing for OT Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Popular_OT_Security_Standards_and_Frameworks_IEC_62443_NIST_SP_800-82\" >Popular OT Security Standards and Frameworks: IEC 62443, NIST SP 800-82<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Monitoring_and_Intrusion_Detection_Solutions_for_OT_Systems\" >Monitoring and Intrusion Detection Solutions for OT Systems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Network_Traffic_Monitoring_in_OT\" >Network Traffic Monitoring in OT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Log_Analysis_and_Event_Monitoring\" >Log Analysis and Event Monitoring<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Deep_Packet_Inspection_DPI_in_OT_Mechanism_and_Applications\" >Deep Packet Inspection (DPI) in OT: Mechanism and Applications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Anomaly_Detection_Based_on_AIMachine_Learning\" >Anomaly Detection Based on AI\/Machine Learning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Building_a_Security_Operations_Center_SOC_for_OT_Roles_and_Functions\" >Building a Security Operations Center (SOC) for OT: Roles and Functions<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Deploying_Specialized_OT_Security_Solutions\" >Deploying Specialized OT Security Solutions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Industrial_Firewall_Functions_and_Options\" >Industrial Firewall: Functions and Options<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Intrusion_Detection_and_Prevention_Systems_IDSIPS_for_OT\" >Intrusion Detection and Prevention Systems (IDS\/IPS) for OT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Access_Control_and_Multi-Factor_Authentication\" >Access Control and Multi-Factor Authentication<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Application_Whitelisting_Mechanism_and_Benefits\" >Application Whitelisting: Mechanism and Benefits<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Enhancing_Endpoint_Security_in_OT\" >Enhancing Endpoint Security in OT<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Training_and_Building_Safe_Operating_Procedures_for_OT\" >Training and Building Safe Operating Procedures for OT<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Raising_Security_Awareness_for_OT_Engineers_and_Operators\" >Raising Security Awareness for OT Engineers and Operators<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Building_Incident_Response_Procedures_for_OT_Systems\" >Building Incident Response Procedures for OT Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Establishing_Operational_Baselines_and_Detecting_Anomalous_Behaviors\" >Establishing Operational Baselines and Detecting Anomalous Behaviors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Regular_Testing_and_Evaluation_of_OT_Security_Systems\" >Regular Testing and Evaluation of OT Security Systems<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Case_Study_Lessons_Learned_from_Real_OT_Attacks\" >Case Study: Lessons Learned from Real OT Attacks<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Analyzing_Famous_OT_Attacks_Worldwide\" >Analyzing Famous OT Attacks Worldwide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Lessons_Learned_and_Recommendations_for_Prevention\" >Lessons Learned and Recommendations for Prevention<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Sharing_Experiences_of_Successful_OT_Security_Implementations\" >Sharing Experiences of Successful OT Security Implementations<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Future_Trends_in_OT_Security\" >Future Trends in OT Security<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Internet_of_Things_IoT_and_New_Challenges_for_OT_Security\" >Internet of Things (IoT) and New Challenges for OT Security<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Applying_AI_and_Big_Data_in_OT_Security\" >Applying AI and Big Data in OT Security<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#New_Standards_and_Regulations_for_OT_Security\" >New Standards and Regulations for OT Security<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Limitations_and_Challenges_in_Implementing_OT_Security\" >Limitations and Challenges in Implementing OT Security<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Related_services_from_IT_Systems\" >Related services from IT Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#When_should_a_business_ask_IT_Systems_for_support\" >When should a business ask IT Systems for support?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\" >Can IT Systems help review the current environment before proposing a solution?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Does_this_topic_connect_to_ongoing_IT_operations\" >Does this topic connect to ongoing IT operations?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/itsystems.vn\/en\/monitoring-and-security-of-ot-systems-25-07-28\/#Need_help_applying_this_to_your_business\" >Need help applying this to your business?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Monitoring_and_Security_of_OT_Systems_Operational_Technology_Comprehensive_Solutions\"><\/span>Monitoring and Security of OT Systems (Operational Technology): Comprehensive Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"What_is_OT_and_Why_is_OT_Security_Important\"><\/span>What is OT and Why is OT Security Important?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_is_OT_Distinguishing_OT_from_IT_SCADA_PLC_DCS%E2%80%A6\"><\/span>What is OT? Distinguishing OT from IT (SCADA, PLC, DCS&#8230;)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>OT (Operational Technology) is a collection of software and hardware systems used to monitor and control physical processes in manufacturing and industrial environments. OT systems include SCADA, PLC, and DCS, which are often unlike IT because they are designed for stability and continuous operation over long periods but are not always securely protected like IT systems. The distinction between OT and IT is crucial because security strategies need to be different.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_is_OT_an_Attractive_Target_for_Cyber_Attacks\"><\/span>Why is OT an Attractive Target for Cyber Attacks?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The specific vulnerabilities in OT systems make them ideal targets for hackers. The lack of security patches, outdated devices, and difficulties in updating, combined with the differing priorities between OT (continuous production) and IT (security), have created many opportunities for attacks.<\/p>\n<h4>Specific Security Vulnerabilities in OT Systems<\/h4>\n<p>These vulnerabilities often relate to identifying and exploiting weaknesses in software such as SCADA&#8230;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_Current_State_of_OT_Security_in_Vietnam_and_Worldwide_Alarming_Statistics\"><\/span>The Current State of OT Security in Vietnam and Worldwide: Alarming Statistics<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>According to a recent study, the rate of attacks on OT systems has significantly increased globally, and Vietnam is not safe either. This shows an urgent need to improve security processes.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Risk_and_Security_Vulnerability_Identification_in_OT_Systems\"><\/span>Risk and Security Vulnerability Identification in OT Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Monitoring_and_Security_of_OT_Systems_Operational_Technology_Comprehensive_Solutions-2\"><\/span>Monitoring and Security of OT Systems (Operational Technology): Comprehensive Solutions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Mapping_OT_Systems_Asset_Inventory_and_Network_Mapping\"><\/span>Mapping OT Systems: Asset Inventory and Network Mapping<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To protect OT systems, we first need to have a clear understanding of the assets and how devices connect with each other. Mapping helps identify the assets that need protection.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Network_Segmentation_in_OT_Principles_and_Benefits\"><\/span>Network Segmentation in OT: Principles and Benefits<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Network segmentation plays a vital role in OT system security, allowing the isolation of threats and limiting unauthorized access to sensitive areas.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Vulnerability_Assessment_and_Penetration_Testing_for_OT_Systems\"><\/span>Vulnerability Assessment and Penetration Testing for OT Systems<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vulnerability assessments and penetration testing help identify weaknesses in OT systems to implement timely remediation measures.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Popular_OT_Security_Standards_and_Frameworks_IEC_62443_NIST_SP_800-82\"><\/span>Popular OT Security Standards and Frameworks: IEC 62443, NIST SP 800-82<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>These standards provide overall frameworks for securing OT systems and are essential documents for building an effective security system.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Monitoring_and_Intrusion_Detection_Solutions_for_OT_Systems\"><\/span>Monitoring and Intrusion Detection Solutions for OT Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Network_Traffic_Monitoring_in_OT\"><\/span>Network Traffic Monitoring in OT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Network traffic monitoring helps detect anomalies and suspicious behaviors within OT systems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Log_Analysis_and_Event_Monitoring\"><\/span>Log Analysis and Event Monitoring<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>System log analysis helps uncover potential attack patterns and assists in incident investigation.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Deep_Packet_Inspection_DPI_in_OT_Mechanism_and_Applications\"><\/span>Deep Packet Inspection (DPI) in OT: Mechanism and Applications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DPI allows in-depth and comprehensive analysis of the data packets passing through the system, helping identify potential threats.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Anomaly_Detection_Based_on_AIMachine_Learning\"><\/span>Anomaly Detection Based on AI\/Machine Learning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>AI and Machine Learning technologies provide the ability to detect anomalies in the system&#8217;s activities to quickly prevent attacks.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Building_a_Security_Operations_Center_SOC_for_OT_Roles_and_Functions\"><\/span>Building a Security Operations Center (SOC) for OT: Roles and Functions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The SOC helps businesses effectively manage cybersecurity, ensuring that all incidents are detected and responded to promptly.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Deploying_Specialized_OT_Security_Solutions\"><\/span>Deploying Specialized OT Security Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Industrial_Firewall_Functions_and_Options\"><\/span>Industrial Firewall: Functions and Options<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Industrial firewalls are an essential part of OT network security, helping control traffic and prevent attacks.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Intrusion_Detection_and_Prevention_Systems_IDSIPS_for_OT\"><\/span>Intrusion Detection and Prevention Systems (IDS\/IPS) for OT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>IDS\/IPS systems help detect and prevent abnormal behaviors in OT systems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Access_Control_and_Multi-Factor_Authentication\"><\/span>Access Control and Multi-Factor Authentication<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Access control systems help protect data by ensuring that only authorized personnel can access sensitive areas.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Application_Whitelisting_Mechanism_and_Benefits\"><\/span>Application Whitelisting: Mechanism and Benefits<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Whitelisting allows only validated applications to run, minimizing the risk posed by malware.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Enhancing_Endpoint_Security_in_OT\"><\/span>Enhancing Endpoint Security in OT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Protecting endpoint devices in OT systems is essential to prevent external attacks.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Training_and_Building_Safe_Operating_Procedures_for_OT\"><\/span>Training and Building Safe Operating Procedures for OT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Raising_Security_Awareness_for_OT_Engineers_and_Operators\"><\/span>Raising Security Awareness for OT Engineers and Operators<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Continuous training in security is crucial to ensure that everyone in the organization understands the threats and how to mitigate them.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Building_Incident_Response_Procedures_for_OT_Systems\"><\/span>Building Incident Response Procedures for OT Systems<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Incident response procedures need to be established to quickly address issues arising in the system.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Establishing_Operational_Baselines_and_Detecting_Anomalous_Behaviors\"><\/span>Establishing Operational Baselines and Detecting Anomalous Behaviors<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Setting operational baselines will make it easier to identify any anomalous behaviors.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Regular_Testing_and_Evaluation_of_OT_Security_Systems\"><\/span>Regular Testing and Evaluation of OT Security Systems<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Regular assessments help detect newly emerging vulnerabilities and implement timely remedial measures.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_Lessons_Learned_from_Real_OT_Attacks\"><\/span>Case Study: Lessons Learned from Real OT Attacks<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Analyzing_Famous_OT_Attacks_Worldwide\"><\/span>Analyzing Famous OT Attacks Worldwide<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Many significant attacks have highlighted vulnerabilities in OT systems and the lessons to be learned to enhance security.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lessons_Learned_and_Recommendations_for_Prevention\"><\/span>Lessons Learned and Recommendations for Prevention<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>These lessons help businesses establish a stronger security environment.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sharing_Experiences_of_Successful_OT_Security_Implementations\"><\/span>Sharing Experiences of Successful OT Security Implementations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Companies that have successfully implemented OT security can provide valuable insights into effective measures and processes.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Future_Trends_in_OT_Security\"><\/span>Future Trends in OT Security<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Internet_of_Things_IoT_and_New_Challenges_for_OT_Security\"><\/span>Internet of Things (IoT) and New Challenges for OT Security<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>IoT opens up many opportunities but also presents new challenges for security in OT systems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applying_AI_and_Big_Data_in_OT_Security\"><\/span>Applying AI and Big Data in OT Security<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Technologies such as AI and Big Data can help detect and analyze threats more effectively.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"New_Standards_and_Regulations_for_OT_Security\"><\/span>New Standards and Regulations for OT Security<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Changes in regulations will require businesses to continuously update to comply.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Limitations_and_Challenges_in_Implementing_OT_Security\"><\/span>Limitations and Challenges in Implementing OT Security<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Businesses face both funding and technical limitations when implementing security measures.<\/p>\n<p><!-- its-deep-aio-en-related-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-related\" aria-label=\"Related IT Systems services\">\n<h2><span class=\"ez-toc-section\" id=\"Related_services_from_IT_Systems\"><\/span>Related services from IT Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If your team is dealing with this issue in a live business environment, these services can help you move from diagnosis to a stable operating process.<\/p>\n<ul>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/microsoft-windows-licensing\/\">Windows licensing for business<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/windows-license-pricing\/\">Windows license pricing<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">IT support services<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- its-deep-aio-en-faq-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-faq\" aria-label=\"Frequently asked questions\">\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"When_should_a_business_ask_IT_Systems_for_support\"><\/span>When should a business ask IT Systems for support?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ask for support when the issue affects users, business data, security, licensing compliance, service availability or daily operations. A short technical review often prevents repeated incidents and hidden costs.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\"><\/span>Can IT Systems help review the current environment before proposing a solution?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. IT Systems can review the current setup, identify risks, map the issue to the right service scope and recommend a practical next step for your business.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_this_topic_connect_to_ongoing_IT_operations\"><\/span>Does this topic connect to ongoing IT operations?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In most cases, yes. Problems around software, cloud, endpoint, network, backup or security should be connected to a broader IT operations plan instead of being handled as isolated incidents.<\/p>\n<\/section>\n<p><!-- its-deep-aio-en-cta-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-cta\" aria-label=\"Contact IT Systems\">\n<h2><span class=\"ez-toc-section\" id=\"Need_help_applying_this_to_your_business\"><\/span>Need help applying this to your business?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>IT Systems Vietnam can help assess the issue, recommend the right service path and support implementation for your team.<\/p>\n<p><a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/contact-it-systems-vietnam\/\">Contact IT Systems<\/a> <a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">View IT support services<\/a><\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>In the context of industrial control systems (OT) increasingly being digitized and connected to IT networks, the challenge of monitoring and securing OT systems has become more urgent than ever. Not only facing conventional security risks, OT also harbors many specific vulnerabilities that can disrupt production and cause significant damage. So how do we build [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":70290,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"Monitoring and Security of OT Systems","rank_math_title":"Comprehensive Monitoring & Security of OT Systems: Effective Solutions for 2023","rank_math_description":"Monitoring and security of OT systems is always a top priority for modern businesses.","rank_math_robots":"","rank_math_canonical_url":"","rank_math_schema":"","footnotes":""},"categories":[1344,2143],"tags":[],"class_list":["post-70293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-en","category-it-service"],"wpml_current_locale":"en_US","wpml_translations":{"vi_VN":{"locale":"vi_VN","id":70286,"slug":"giamsat-va-bao-mat-he-thong-ot-25-07-28","post_title":"Gi\u00e1m s\u00e1t & B\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng OT to\u00e0n di\u1ec7n: Gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cho 2023","href":"https:\/\/itsystems.vn\/giamsat-va-bao-mat-he-thong-ot-25-07-28\/"}},"_links":{"self":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/70293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/comments?post=70293"}],"version-history":[{"count":2,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/70293\/revisions"}],"predecessor-version":[{"id":85999,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/70293\/revisions\/85999"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media\/70290"}],"wp:attachment":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media?parent=70293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/categories?post=70293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/tags?post=70293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}