Hauv kev lag luam niaj hnub no, Siemens HMI (Tib neeg-Machine Interface) tshuab ua lub luag haujlwm tseem ceeb hauv kev sib txuas cov neeg ua haujlwm rau cov txheej txheem tsim khoom tseem ceeb. Cov kev sib tshuam no cia cov neeg ua haujlwm saib xyuas cov khoom siv, kho qhov chaw, thiab ua kom muaj kev ua haujlwm zoo. Txawm li cas los xij, raws li kev lag luam sib txuas tau sib txuas ntau dua, Siemens HMI cov cuab yeej ntsib kev cuam tshuam cybersecurity loj hlob. Ib qho kev ua txhaum cai hauv Siemens HMI network tuaj yeem cuam tshuam kev tsim khoom, ua rau poob nyiaj txiag, lossis txawm tias muaj kev cuam tshuam txog kev nyab xeeb. Txhawm rau tiv thaiv koj cov haujlwm hauv kev lag luam, nws yog ib qho tseem ceeb uas yuav tsum ua raws li cov pov thawj cybersecurity kev coj ua zoo tshaj plaws rau Siemens HMI systems. Hauv qab no, peb yuav rhuav tshem cov kauj ruam ua tau los txhawb koj Siemens HMI network kev ruaj ntseg, nrog rau cov lus qhia tseem ceeb los tswj kev ua raws cai thiab txo cov kev pheej hmoo.
Vim li cas Siemens HMI Cybersecurity Matters
Siemens HMI cov cuab yeej yog "lub ntsej muag" ntawm kev tswj hwm kev lag luam (ICS), txuas qhov sib txawv ntawm tib neeg cov tswv lag luam thiab cov tshuab siv tshuab. Tsis zoo li cov khoom siv IT txheem, Siemens HMI systems yog tsim los rau kev ua haujlwm tas mus li hauv kev lag luam hnyav, uas ua rau lawv xav tau kev ruaj ntseg tshwj xeeb. Cov kev hem thawj zoo li brute- yuam kev tawm tsam lo lus zais, nkag mus rau tej thaj chaw deb tsis tau tso cai, thiab malware tuaj yeem ua rau muaj qhov tsis zoo hauv Siemens HMI tes hauj lwm, ua rau muaj nqi poob qis. Piv txwv li, cov firmware dhau los lossis cov password tsis muaj zog ntawm Siemens HMI tuaj yeem muab cov neeg tawm tsam nkag mus rau tag nrho cov kev tswj hwm network, ua rau cov kab ntau lawm muaj kev pheej hmoo. Los ntawm qhov tseem ceeb ntawm Siemens HMI cybersecurity, koj tsis tsuas yog tiv thaiv koj cov cuab yeej xwb tab sis kuj ua kom muaj kev ntseeg siab thiab kev nyab xeeb ntawm koj txoj haujlwm tag nrho.
Core Cybersecurity Zoo Tshaj Plaws rau Siemens HMI Networks
1. Kev Ruaj Ntseg Nyiaj Txiag thiab Kev Tswj Xyuas Kev Nkag Mus rau Siemens HMI
Ib txoj hauv kev yooj yim tshaj plaws los tiv thaiv koj Siemens HMI yog txhawm rau txhim kho kev tswj hwm tus account. Ntau qhov kev ua txhaum cai kev nyab xeeb pib nrog cov passwords tsis muaj zog lossis tsis raug cai - zam qhov no los ntawm kev ua raws li kev tswj hwm nruj rau koj Siemens HMI. Ua ntej, tsis txhob siv cov passwords uas tau muab los ntawm Siemens; tsim kom muaj zog, tshwj xeeb passwords rau txhua tus neeg siv nyiaj, sib txuas cov ntawv, lej, thiab cov cim. Hloov cov passwords no tsis tu ncua, tsawg kawg txhua 90 hnub, txhawm rau txo qhov kev pheej hmoo ntawm kev nkag mus tsis tau.
Ua raws li lub hauv paus ntsiab lus ntawm "tsim cai tsawg" thaum teeb tsa cov neeg siv kev tso cai ntawm koj Siemens HMI. Qhov no txhais tau hais tias muab cov neeg ua haujlwm tsuas yog nkag mus rau lawv xav tau los ua lawv txoj haujlwm-piv txwv li, tus neeg ua haujlwm hauv pem teb tsis xav tau cov cai tswj hwm los hloov kho qhov system. Disable unused default accounts ntawm koj Siemens HMI thiab tshem tawm cov nyiaj tas sij hawm tam sim. Txhawm rau ntxiv kev ruaj ntseg, ua kom ob-factor authentication (2FA) rau qhov tseem ceeb Siemens HMI nkag, uas yuav tsum muaj tus password ntxiv rau lwm txoj kev pov thawj (xws li tus lej los ntawm lub xov tooj ntawm tes) kom nkag mus.
2. Siv Network Segmentation rau Siemens HMI
Network segmentation yog lub tswv yim tseem ceeb los cais Siemens HMI systems los ntawm lwm qhov chaw ntawm koj lub network, txwv tsis pub muaj kev hem thawj yog tias muaj kev ua txhaum cai. Faib koj lub network kev lag luam rau hauv ib cheeb tsam sib cais, nrog Siemens HMI cov cuab yeej tso rau hauv ib cheeb tsam nrog rau lwm yam khoom siv tswj xws li PLCs (Programmable Logic Controllers). Siv cov firewalls los yog lub rooj vag los thaiv cov tsheb tsis raug cai ntawm thaj chaw- cov khoom siv no yog tsim los kom nkag siab txog cov txheej txheem kev lag luam uas siv los ntawm Siemens HMI, xws li Profinet thiab OPC UA, ua kom muaj kev sib txuas lus ruaj ntseg yam tsis muaj kev cuam tshuam kev ua haujlwm.
Tsis txhob txuas koj Siemens HMI network ncaj qha rau hauv internet lossis koj lub tuam txhab IT network. Yog tias tsim nyog nkag mus rau tej thaj chaw deb, siv qhov ruaj ntseg virtual ntiag tug network (VPN) nrog encryption los tsim kev sib txuas zoo. Qhov no tiv thaiv cov neeg tawm tsam los ntawm kev siv cov chaw nres nkoj qhib lossis cov kev pabcuam yooj yim kom ncav cuag koj Siemens HMI. Los ntawm segmenting koj lub network, koj tsim ib qho kev thaiv uas ua rau muaj kev hem thawj, tiv thaiv koj Siemens HMI thiab cov ntaub ntawv tseem ceeb. Txoj hauv kev no ua raws li Siemens HMI network segmentation qhia cov lus pom zoo los ntawm cov qauv kev ruaj ntseg.
3. Harden Siemens HMI Terminals thiab Devices
Terminal hardening muaj feem cuam tshuam cov yam ntxwv tsis tsim nyog thiab cov chaw nres nkoj ntawm koj Siemens HMI kom txo nws qhov chaw nres. Feem ntau Siemens HMI cov khoom siv tuaj nrog cov chaw nres nkoj tsis siv (xws li USB, HDMI, lossis Ethernet) thiab cov kev pabcuam uas tuaj yeem siv los ntawm cov neeg tawm tsam. Lub cev thaiv lossis lov tes taw USB chaw nres nkoj ntawm koj Siemens HMI los tiv thaiv malware los ntawm kev nkag los ntawm cov cuab yeej cia sab nraud- qhov no yog ib qho chaw nkag rau kev hem thawj.
Pab kom daim ntawv teev npe dawb ntawm koj Siemens HMI, uas tso cai rau tsuas yog cov software pom zoo los khiav ntawm lub cuab yeej. Qhov no txwv tsis pub cov kev pabcuam tsis raug tso cai, xws li malware lossis ransomware, los ntawm kev ua haujlwm thiab ua rau koj lub cev puas tsuaj. Rau Siemens HMI cov qauv zoo li cov uas siv WinCC hloov tau SMART, siv cov tsim -hauv "qhov chaw ruaj ntseg chaw taws teeb" kom xav tau tus password rau kev ua haujlwm tseem ceeb xws li kev rub tawm lossis hloov kho cov kab ke. Tsis tas li ntawd, teeb tsa kev lag luam-qib antivirus software uas sib xws nrog Siemens HMI systems- xyuas kom nws tau sim kom tsis txhob muaj teeb meem nrog cov software tswj thiab hloov kho nws cov lus txhais tsis tu ncua.
4. Tswj firmware thiab hloov tshiab rau Siemens HMI
Cov firmware tsis tu ncua yog qhov muaj qhov tsis zoo rau Siemens HMI cov khoom siv, raws li cov tuam txhab tso tawm tshiab los kho qhov tsis zoo ntawm kev nyab xeeb thiab txhim kho kev ua haujlwm. Nyob twj ywm paub txog qhov tseeb firmware tso tawm rau koj Siemens HMI qauv los ntawm kev tshuaj xyuas Siemens Industrial Support Center tsis tu ncua. Ua ntej txhim kho ib qho kev hloov tshiab, sim lawv hauv qhov tsis yog - ib puag ncig tsim khoom kom ntseeg tau tias lawv tsis ua rau muaj teeb meem kev sib raug zoo nrog koj cov txheej txheem uas twb muaj lawm - kev lag luam kev lag luam tsis tuaj yeem them nyiaj poob haujlwm los ntawm kev hloov kho tsis raug.
Tsim ib lub sijhawm rau kev hloov kho koj Siemens HMI firmware, qhov zoo tshaj plaws thaum lub sijhawm npaj kho qhov rais kom txo qis kev cuam tshuam. Khaws cov ntaub ntawv ntawm txhua qhov kev hloov tshiab, suav nrog cov version tau teeb tsa thiab hnub tim, rau kev tshuaj xyuas lub hom phiaj. Tsis txhob ncua kev hloov kho kev ruaj ntseg tseem ceeb, raws li lawv feem ntau hais txog qhov siab - muaj kev pheej hmoo tsis zoo xws li brute - quab yuam kev tawm tsam qhov tsis muaj nyob hauv qee cov qauv Siemens HMI. Ua raws Siemens HMI firmware hloov tshiab cov kev coj ua zoo tshaj plaws kom ntseeg tau tias koj cov cuab yeej muaj kev tiv thaiv tshiab tshaj tawm los ntawm kev hem thawj.
5. Tiv thaiv cov ntaub ntawv ntawm Siemens HMI Systems
Siemens HMI systems sau thiab xa cov ntaub ntawv tsim tawm rhiab, ua cov ntaub ntawv kev ruaj ntseg yog qhov tseem ceeb tshaj plaws. Nkag mus rau cov ntaub ntawv hauv kev thauj mus los ntawm koj Siemens HMI thiab lwm yam khoom siv (xws li PLCs lossis servers) siv cov txheej txheem ruaj ntseg xws li TLS / DTLS lossis IPsec. Qhov no tiv thaiv cov neeg tawm tsam los ntawm kev cuam tshuam thiab cuam tshuam nrog cov ntaub ntawv thaum nws txav mus thoob lub network. Rau cov ntaub ntawv khaws cia, encrypt cov ntaub ntawv tseem ceeb ntawm koj Siemens HMI, xws li kev teeb tsa thiab cov ntawv teev ntau lawm.
Siv cov ntaub ntawv thaub qab tsis tu ncua rau koj Siemens HMI system. Thaub qab cov ntaub ntawv teeb tsa, teeb tsa software, thiab cov ntaub ntawv tseem ceeb rau qhov chaw nyab xeeb, offline. Ntsuam xyuas koj cov ntaub ntawv thaub qab ib ntus kom ntseeg tau tias koj tuaj yeem rov qab tau sai thaum muaj kev ua txhaum cai lossis kev ua haujlwm tsis ua haujlwm. Tsis tas li ntawd, sau tag nrho cov dej num ntawm koj Siemens HMI, suav nrog cov neeg siv nkag mus, kev hloov pauv, thiab hloov ntaub ntawv. Khaws cov ntaub ntawv no kom tsawg kawg rau lub hlis los txhawb qhov xwm txheej tshawb nrhiav thiab ua raws. Rau cov ntaub ntawv rhiab heev, siv Siemens HMI cov ntaub ntawv encryption txoj kev pom zoo los ntawm Siemens kom tswj tsis pub leej twg paub.
Saib xyuas kev ua raws cai thiab kev ruaj ntseg txuas ntxiv rau Siemens HMI
Ua raws li Cov Qauv Kev Nyab Xeeb Kev Nyab Xeeb
Ua raws li cov qauv kev ruaj ntseg thoob ntiaj teb xws li IEC 62443, uas muab cov lus qhia rau kev ruaj ntseg kev tswj hwm kev lag luam, suav nrog Siemens HMI tes hauj lwm. Siemens tau lees paub rau IEC 62443 tus qauv rau ntau yam ntawm nws cov khoom siv automation, yog li ua kom koj cov kev coj ua nrog tus qauv no ua kom muaj kev sib raug zoo thiab kev tiv thaiv zoo. Tsis tas li ntawd, ua raws li cov kev cai hauv zos thiab kev lag luam- cov kev cai tshwj xeeb rau cybersecurity, vim tias tsis ua raws li - yuav ua rau raug nplua thiab kev puas tsuaj rau lub koob npe nrov.
Tsheb nqaj hlau cov neeg ua haujlwm thiab ua cov kev soj ntsuam tsis tu ncua
Koj lub Siemens HMI kev ruaj ntseg tsuas yog muaj zog npaum li koj pab neeg. Muab kev cob qhia cybersecurity tsis tu ncua rau cov neeg ua haujlwm thiab cov neeg ua haujlwm saib xyuas uas ua haujlwm nrog Siemens HMI cov khoom siv. Qhia lawv kom paub txog kev hem thawj, xws li phishing emails lossis cov khoom siv USB uas tsis txaus ntseeg, thiab yuav ua li cas qhia txog kev nyab xeeb. Qhia cov neeg ua haujlwm ntawm Siemens HMI kev ua haujlwm kom raug, suav nrog kev tswj tus password thiab nkag mus rau kev tswj hwm.
Ua kev soj ntsuam kev ruaj ntseg ntawm koj lub Siemens HMI network. ntiav neeg thib peb- cov kws tshaj lij lossis siv cov cuab yeej kev nyab xeeb hauv kev lag luam txhawm rau tshuaj xyuas qhov muaj qhov tsis zoo, tshawb xyuas cov kev teeb tsa, thiab tshuaj xyuas cov ntaub ntawv nkag. Ua kev ntsuam xyuas nkag mus simulate kev tawm tsam thiab txheeb xyuas cov ntsiab lus tsis muaj zog hauv koj qhov kev tiv thaiv. Siv cov txiaj ntsig ntawm cov kev tshuaj xyuas no los hloov kho koj cov kev coj ua kev nyab xeeb thiab daws qhov tsis sib xws tam sim. Tsis txhob hnov qab sim koj txoj kev npaj kho mob xwm txheej ceev tsis tu ncua kom ntseeg tau tias koj pab neeg tuaj yeem daws Siemens HMI kev nyab xeeb kev ua txhaum cai tau zoo.
Kev xav zaum kawg ntawm Siemens HMI Cybersecurity
Kev ruaj ntseg koj lub Siemens HMI network yog ib txoj haujlwm txuas ntxiv, tsis yog ib qho haujlwm - sijhawm. Los ntawm kev siv cov kev tswj xyuas kom muaj zog, kev faib tawm hauv lub network, lub davhlau ya nyob twg hardening, hloov tshiab tsis tu ncua, thiab kev tiv thaiv cov ntaub ntawv, koj tuaj yeem txo qhov kev pheej hmoo ntawm cyber hem thawj. Nco ntsoov ua raws Siemens HMI lo lus zais tiv thaiv cov lus qhia thiab lwm yam kev coj ua zoo tshaj plaws rau koj tus qauv tshwj xeeb thiab ib puag ncig kev lag luam.
Siemens HMI systems yog qhov tseem ceeb rau kev lag luam kev lag luam, yog li kev nqis peev hauv lawv cov cybersecurity tiv thaiv koj cov khoom, koj cov neeg ua haujlwm, thiab koj cov kab hauv qab. Nyob twj ywm, nyob twj ywm paub txog cov kev hem thawj tshiab, thiab txuas ntxiv txhim kho koj cov kev ntsuas kev nyab xeeb. Nrog cov kev coj ua zoo nyob rau hauv qhov chaw, koj tuaj yeem ua kom koj lub Siemens HMI network ruaj ntseg thiab koj cov haujlwm ua haujlwm tau zoo.
