{"id":12649,"date":"2023-11-13T09:54:20","date_gmt":"2023-11-13T09:54:20","guid":{"rendered":"https:\/\/www.novotek.com\/se\/?post_type=insights&p=12649"},"modified":"2025-06-16T13:35:56","modified_gmt":"2025-06-16T13:35:56","slug":"sa-far-du-ot-att-uppfylla-its-krav","status":"publish","type":"insights","link":"https:\/\/www.novotek.com\/se\/insight\/sa-far-du-ot-att-uppfylla-its-krav\/","title":{"rendered":"S\u00e5 f\u00e5r du OT att uppfylla IT:s krav"},"content":{"rendered":"
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Idag ser vi att tillverkade industrier anv\u00e4nder mer och mer intelligenta system f\u00f6r att producera smartare. Som ett resultat av det g\u00e5r numera styrsystem, produktionsutrustning och industriella n\u00e4tverk under samlingsbegreppet Operational Technology (OT). I takt med detta har vi ocks\u00e5 sett att IT-avdelningar, som i decennier inte velat ha n\u00e5got med OT att g\u00f6ra, har f\u00e5tt \u00e4ndra sitt syns\u00e4tt. F\u00f6rr var det m\u00f6jligt att h\u00e5lla is\u00e4r dessa men med tanke p\u00e5 alla s\u00e4kerhetsrisker som finns idag \u00e4r det inte l\u00e4ngre m\u00f6jligt. Man har l\u00e4nge fokuserat p\u00e5 IT-s\u00e4kerhet men OT-s\u00e4kerhet ligger ofta steget efter. Detta g\u00f6r att vi idag st\u00e5r inf\u00f6r en utmaning. I artikeln lyfter en kort sammanst\u00e4llning: S\u00e5 f\u00e5r du OT att uppfylla IT:s krav.<\/p>\n<\/div>\n\n

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Ett viktigt samarbete<\/h2>\n<\/div>\n\n
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F\u00f6r att skydda OT-system och n\u00e4tverk kr\u00e4vs en bra cybers\u00e4kerhet. Historiskt har det uppst\u00e5tt situationer d\u00e4r systemen blivit m\u00e5l f\u00f6r attacker och\/eller obeh\u00f6riga \u00e5tkomster som skadat anl\u00e4ggningar och dess produktion. Detta har gjort att IT har f\u00e5tt ett uppvaknande d\u00e4r s\u00e5rbarheten f\u00f6r uppkopplade OT-system har blivit tydliga och det visar hur viktigt det \u00e4r att OT h\u00e5ller samma h\u00f6ga standard och praxis som IT.<\/p>\n<\/div>\n\n

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S\u00e5 f\u00e5r du OT att uppfylla IT:s krav<\/h2>\n<\/div>\n\n
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St\u00e4ll dig 4 f\u00f6ljande fr\u00e5gor: <\/strong><\/p>\n<\/div>\n\n

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\"S\u00e5<\/figure>\n<\/div><\/div>\n<\/div>\n\n
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\u00c4r kommunikationen i min anl\u00e4ggning s\u00e4ker?<\/strong><\/h3>\n<\/div>\n\n
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F\u00f6r det f\u00f6rsta m\u00e5ste du se till att dina styrsystem, s\u00e5som PLC, SCADA etc., \u00e4r s\u00e4kra fr\u00e5n hot genom att h\u00e5lla systemen uppdaterade och endast tillhandah\u00e5ller kommunikation mellan system som kr\u00e4ver det. Den optimala l\u00f6sningen \u00e4r att etablera s\u00e4kra kommunikationskanaler via switchar och routrar, s\u00e5 att anslutningen mellan systemen kan aktiveras och inaktiveras efter behov. Du kan \u00e4ven installera brandv\u00e4ggar mellan avdelningar f\u00f6r att ytterligare minska eventuella hot.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n

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\"Anslut<\/figure>\n<\/div><\/div>\n<\/div>\n\n
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Vem har \u00e5tkomst till mina system?<\/strong><\/h3>\n<\/div>\n\n
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F\u00f6r det andra beh\u00f6ver du ha kontroll \u00f6ver hur \u00e5tkomsten ser ut. Beh\u00f6righet ska anpassas efter behov. Detta tillsammans med l\u00e4mplig l\u00f6senordskomplexitet och en policy att regelbundet \u00e4ndra dessa l\u00f6senord minimerar potentiella cyberattacker.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n

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\"Data<\/figure>\n<\/div><\/div>\n<\/div>\n\n
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Var finns min data?<\/strong><\/h3>\n<\/div>\n\n
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Tidigare placerades det en server under skrivbordet i kontrollrummet, d\u00e4r de uts\u00e4tts f\u00f6r damm och oavsiktliga sparkar fr\u00e5n en arbetssko. Genom att virtualisera OT-systemen i ett datacenter s\u00e5 som vi har gjort med IT-system s\u00e4kerst\u00e4ller du en bekymmersfri drift.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n

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\"Backup<\/figure>\n<\/div><\/div>\n<\/div>\n\n
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Har jag koll p\u00e5 mina backuper och s\u00e4kerhetskopiering?<\/strong> <\/strong><\/h3>\n<\/div>\n\n
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Schemalagda backuper p\u00e5 IT-system har l\u00e4nge varit en standard och numera har vi \u00e4ven m\u00f6jligheten at g\u00f6ra detsamma inom OT. Det medf\u00f6r att systemen enkelt kan \u00e5terst\u00e4llas till d\u00e4r du var innan ett haveri eller en cyberattack.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n

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Har du utf\u00f6rliga svar p\u00e5 de 4 ovanst\u00e5ende fr\u00e5gorna \u00e4r din OT s\u00e4kerhet lika god som din IT s\u00e4kerhet. Har du inte det kan det vara bra att se \u00f6ver s\u00e4kerheten i din OT milj\u00f6.<\/p>\n<\/div>\n\n

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L\u00e4s mer om OT-s\u00e4kerhet h\u00e4r<\/strong><\/a>
och kontakta oss<\/strong><\/a> om du \u00f6nskar r\u00e5dgivning.<\/p>\n<\/div>\n\n

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<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Det har l\u00e4nge fokuserats p\u00e5 IT-s\u00e4kerhet men OT-s\u00e4kerhet ligger ofta steget efter. L\u00e4s v\u00e5r artikel: S\u00e5 f\u00e5r du OT att uppfylla IT:s krav.<\/p>\n","protected":false},"featured_media":0,"template":"","insight_category":[],"class_list":["post-12649","insights","type-insights","status-publish","hentry"],"acf":[],"yoast_head":"\nS\u00e5 f\u00e5r du OT att uppfylla IT:s krav - Novotek Sverige AB<\/title>\n<meta name=\"description\" content=\"Det har l\u00e4nge fokuserats p\u00e5 IT-s\u00e4kerhet men OT-s\u00e4kerhet ligger ofta steget efter. 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