Reference

Safety

Security

Firesmith [3] [4]

“The degree to which accidental harm is prevented, reduced and properly reacted to.”

“The degree to which malicious harm is prevented, reduced and properly reacted to.”

Line et al. [5]

“The inability of the system to affect its environment in an undesirable way.”

“The inability of the environment to affect the system in an undesirable way.”

Burns et al. [6]

“A system is judged to be safety critical in a given context if its failure could be sufficient to cause absolute harm.”

“A system is judged to be security critical in a given context if its failure could be sufficient to cause relative harm, but never sufficient to cause absolute harm.”