{"id":1570,"date":"2018-03-07T06:00:55","date_gmt":"2018-03-07T05:00:55","guid":{"rendered":"https:\/\/staging.blogs.yokogawa.de\/chemical-pharma\/uncategorized\/when-safety-meets-security-combining-the-best-of-both-worlds\/"},"modified":"2022-07-04T06:59:19","modified_gmt":"2022-07-04T04:59:19","slug":"when-safety-meets-security-combining-the-best-of-both-worlds","status":"publish","type":"post","link":"https:\/\/www.yokogawa.com\/eu\/blog\/chemical-pharma\/en\/when-safety-meets-security-combining-the-best-of-both-worlds\/","title":{"rendered":"When safety meets security \u2013 Combining the best of both worlds"},"content":{"rendered":"<h2>Process and operational safety<\/h2>\n<p>On the <a href=\"http:\/\/www.hazardexonthenet.net\/article\/133165\/Hazardex-2018-Exhibition--with-free-access-to-seminars-workshops-.aspx\">HazardEx 2018<\/a>, <a href=\"https:\/\/www.linkedin.com\/in\/robturneryokogawa\/\">Rob Turner<\/a>, Advanced Solutions Consultant, UK, gave a presentation about the combination of safety and security. He discussed how and why both worlds need to be merged.<\/p>\n<blockquote><p><a href=\"https:\/\/www.linkedin.com\/in\/robturneryokogawa\/\">Rob Turner<\/a> states &#8220;(Safety and Security) are two sides of the same coin.&#8221;<\/p><\/blockquote>\n<p>[ot-video] <\/p>\n<div style=\"margin-bottom: 5px\"><strong> <a title=\"Hazardex 2018 when safety met security\" href=\"\/\/www.slideshare.net\/RobTurner6\/hazardex-2018-when-safety-met-security\" target=\"_blank\" rel=\"noopener\">Hazardex 2018 when safety met security<\/a> <\/strong> from <strong><a href=\"https:\/\/www.slideshare.net\/RobTurner6\" target=\"_blank\" rel=\"noopener\">Rob Turner<\/a><\/strong><\/div>\n<p>[\/ot-video]<\/p>\n<p>The main focus of&nbsp;<a href=\"http:\/\/www.hazardexonthenet.net\/article\/133165\/Hazardex-2018-Exhibition--with-free-access-to-seminars-workshops-.aspx\">Hazardex<\/a> International Conference and Exhibition was process and operational safety.<\/p>\n<h2>Why do we need a tie between safety and security for industrial control systems?<\/h2>\n<p><strong>What is different about a control system? (compared with an IT system)<\/strong><\/p>\n<ul>\n<li>Age of the hardware and software<\/li>\n<li>The network protocols in use, e.g. Modbus, Ethernet\/IP, OPC<\/li>\n<li>Access for patching, AV, updates, etc.<\/li>\n<li>The use of wireless communications for command and control<\/li>\n<li>These systems are often responsible for control of a physical process<\/li>\n<\/ul>\n<p><strong>And what is different about a safety instrumented system (SIS)? <\/strong><\/p>\n<figure id=\"attachment_4709\" aria-describedby=\"caption-attachment-4709\" style=\"width: 789px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-4709\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2022\/06\/SIS.png\" alt=\"\" width=\"789\" height=\"541\"><figcaption id=\"caption-attachment-4709\" class=\"wp-caption-text\">Safety Instrumented System (SIS)<\/figcaption><\/figure>\n<h2>Technology considerations<\/h2>\n<p>This paper demonstrates attack induced common-mode failures on an industrial-grade (Xxxx) Triple-Modular-Redundant PLC (programmable logic controller) and its impact in a Nuclear Power Plant settings. The attack exploits the fact that during the configuration phase the same control logic is downloaded to all three redundant modules. We describe how an attacker can exploit this vulnerability to embed malicious control logic and how to trigger the attack. The feasibility and the attack impact are evaluated on a testbed, which includes the Xxxx PLC as part of a safety protection system in a simulated nuclear power plant.<\/p>\n<h2>Network and Information Systems Directive (<a href=\"https:\/\/ec.europa.eu\/digital-single-market\/en\/network-and-information-security-nis-directive\">NIS Directive<\/a>)<\/h2>\n<p><a href=\"https:\/\/ec.europa.eu\/digital-single-market\/en\/network-and-information-security-nis-directive\">NIS Directive<\/a> is the first piece of EU-wide legislation on cybersecurity. It provides legal measures to boost the overall level of cybersecurity in the EU.<\/p>\n<figure id=\"attachment_4710\" aria-describedby=\"caption-attachment-4710\" style=\"width: 797px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-4710\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2022\/06\/NIS.png\" alt=\"\" width=\"797\" height=\"546\"><figcaption id=\"caption-attachment-4710\" class=\"wp-caption-text\">NIS<\/figcaption><\/figure>\n<h2>Why <a href=\"https:\/\/en.wikipedia.org\/wiki\/IEC_61511\">IEC 61511<\/a>?<\/h2>\n<p>At first sight this might appear to be an additional burden for the process industries and an intrusion into the jurisdiction of <a href=\"http:\/\/isa99.isa.org\/Public\/Information\/The-62443-Series-Overview.pdf\">IEC 62443<\/a> which already covers the security of these systems.<\/p>\n<figure id=\"attachment_4711\" aria-describedby=\"caption-attachment-4711\" style=\"width: 803px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-4711\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2022\/06\/iec61551.png\" alt=\"\" width=\"803\" height=\"550\"><figcaption id=\"caption-attachment-4711\" class=\"wp-caption-text\">Layers of Protection and IEC 61511<\/figcaption><\/figure>\n<h2>Layers of Defense<\/h2>\n<figure id=\"attachment_4693\" aria-describedby=\"caption-attachment-4693\" style=\"width: 804px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-4693\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2022\/06\/Defense-in-depth_rev1-scaled.jpg\" alt=\"Plant Security\" width=\"804\" height=\"592\"><figcaption id=\"caption-attachment-4693\" class=\"wp-caption-text\">Plant Security<\/figcaption><\/figure>\n<h2>Safety and Security<\/h2>\n<p>At first step it\u2018s essential to consider the functional safety in order to protect human lives,<br \/>\nenvironment, assets.&nbsp; After that you need to segmentate your plant into neccessary security zones.<\/p>\n<figure id=\"attachment_4712\" aria-describedby=\"caption-attachment-4712\" style=\"width: 803px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-4712\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2022\/06\/SS.png\" alt=\"Safety and Security\" width=\"803\" height=\"550\"><figcaption id=\"caption-attachment-4712\" class=\"wp-caption-text\">Safety and Security<\/figcaption><\/figure>\n<p>Many thanks to <a href=\"https:\/\/www.linkedin.com\/in\/robturneryokogawa\/\">Rob Turner<\/a> for providing this presentation materials.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-4713\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2022\/06\/Rob-1024x544.png\" alt=\"\" width=\"640\" height=\"340\"><\/p>\n<p>Interested in further articles about <a href=\"\/?cat_ID=148\">safety and security<\/a>, check <a href=\"\/?cat_ID=148\">this<\/a>!<\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><img decoding=\"async\" class=\" wp-image-4723 alignnone\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2022\/06\/Achema_Schriftzug-blau.jpg\" alt=\"\" width=\"238\" height=\"63\"><\/p>\n<p>Yokogawa at ACHEMA 2018<\/p>\n<p>[button link=&#8221;https:\/\/www.yokogawa-achema.de\/en\/&#8221; icon=&#8221;&#8221; side=&#8221;left&#8221; target=&#8221;&#8221; color=&#8221;00BFFF&#8221; textcolor=&#8221;undefined&#8221;]Learn more[\/button]<\/p>\n<hr>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On the HazardEx 2018, Rob Turner, Advanced Solutions Consultant, UK, gave a presentation about the combination of safety and security. He discussed how and why both worlds need to be merged. Check out the whole presentation! <\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.yokogawa.com\/eu\/blog\/chemical-pharma\/en\/when-safety-meets-security-combining-the-best-of-both-worlds\/\"> <span class=\"screen-reader-text\">When safety meets security \u2013 Combining the best of both worlds<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":117,"featured_media":1621,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[59,60],"tags":[114,109,262,165,100,73,215,74,133],"coauthors":[693],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.13 (Yoast SEO v20.13) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>When safety meets security \u2013 Combining the best of both worlds<\/title>\n<meta name=\"description\" content=\"On the HazardEx 2018, Rob Turner, Advanced Solutions Consultant, UK, gave a presentation about the combination of safety and security. 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