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Title:SCADA sistemi in segmentacija omrežja : diplomsko delo visokošolskega študijskega programa Informacijska varnost
Authors:Mihičinac, Anja (Author)
Bernik, Igor (Mentor) More about this mentor... New window
Files:.pdf VS_Mihicinac_Anja_2020.pdf (1,22 MB)
MD5: F56F32A5BFBA2E325C1F777873D58585
 
Language:Slovenian
Work type:Bachelor thesis/paper (mb11)
Typology:2.11 - Undergraduate Thesis
Organization:FVV - Faculty of Criminal Justice and Security
Abstract:Informacijski sistemi so precejšen del vsakdanjega življenja. V to kategorijo so uvrščeni vsi sistemi, ki so kakorkoli povezani z informacijami, strojno in programsko opremo ter omrežjem. Med informacijske sisteme sodijo tudi sistemi SCADA, ki so danes ključni del kritične infrastrukture. Uporabljeni so v skoraj vseh velikih organizacijah, ki za svoje delovanje potrebujejo proizvodne ali druge industrijske obrate. SCADA je sistem za nadzor, vodenje in zbiranje podatkov, običajno pa celoto tvori skupaj s sistemoma ERP in MES, napravami PLC ter senzorji in preostalo strojno opremo. Zaradi njihove nujnosti za normalno delovanje industrijskih obratov in povečanega števila kibernetskih napadov jim stroka že nekaj časa posveča veliko pozornost. V skupino, ki ogroža varnost kritične infrastrukture, so uvrščeni hekerji, organizirani kriminal, notranji napadalci, državno sponzorirani kiberterorizem in e-bojevanje ter pripadniki ideološkega in političnega haktivizma. Da bi zagotovili večjo varnost kritične infrastrukture, se organizacije zatekajo k segmentaciji omrežja, ki lahko bistveno pripomore k zagotavljanju večje varnosti. Implementacija segmentacije omrežja omrežje razdeli na več različnih slojev, ki so ločeni s požarnimi zidovi, s tem pa je zagotovljena večja varnost omrežja. Rezultati diplomskega dela kažejo, da segmentacija omrežja vpliva na izboljšanje varnosti, zaradi velikega omejevanja omrežnega prometa pa lahko prihaja do zapletov ob nadgradnjah in popravilih sistemov, poleg tega lahko nastajajo težave pri komunikaciji med različnimi sloji omrežja.
Keywords:diplomske naloge, SCADA, segmentacija, varnost, sistemi, omrežje
Year of publishing:2020
Year of performance:2020
Place of performance:Ljubljana
Publisher:[A. Mihičinac]
Number of pages:VII, 38 str.
Source:Ljubljana
UDC:004.056(043.2)
COBISS_ID:26736899 New window
NUK URN:URN:SI:UM:DK:7IW6GO7B
Views:189
Downloads:50
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:FVV
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Secondary language

Language:English
Title:SCADA systems and network segmentation
Abstract:Information systems are a substantial part of our everyday life. All systems related to information, hardware, software, and networks are classified as information systems. SCADA systems, that are nowadays considered as critical infrastructure, are as well listed as information systems. They are being used in almost every large organization having production plants or industrial sites. SCADA is a system responsible for controlling, managing, and collecting data. Ordinarily, it forms a whole with ERP and MES systems, PLC devices, sensors, and other hardware. Due to the importance of these systems for production plants to work undisturbedly, and an increasing number of cybernetic attacks, specialists devote great attention to such systems. Hackers, organized criminals, insider attackers, cyberwarfare, e-warfare, and members of ideological and political hacktivism, are all considered as a threat to the security of the critical infrastructure. In order to improve security of the critical infrastructure, organizations often resort to network segmentation, which can essentially improve security assurance. Implementing network segmentation separates the network into multiple layers divided by firewalls, therefore increasing the level of network security. The results of the thesis show, that network segmentation does contribute to increased security, although due to limitation of network bandwidth, it can cause difficulties when upgrading or repairing the system, moreover, it can lead to communication problems between different network layers.  
Keywords:SCADA, segmentation, security, system, network


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