olemusturvalisuseks elutähtisnäiteidhttps://rgse.uni-koblenz.de/jj/publications/papers/apsec03.pdfhttps://publicapps.caa.co.uk/docs/33/CAP1849CyberSecurityCriticalSystemScopingGuidanceIssue2.pdfhttps://cps-vo.org/node/31235
security-critical
turvakriitiline