Attacks from inside the system

Lecture Operating System: Chapter 09 - Security presented The security environment, Basics of cryptography, User authentication, Attacks from inside the system, Attacks from outside the system, Protection mechanisms, Trusted systems.

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At cats' green on the Sunday he took the message from the inside of the pillar and added Peter Moran's name to the two names already printed there in the "Brontosaur" code. The message now read: “Leviathan to Dragon: Martin Hillman, Trevor Allan, Peter Moran: observe and tail.” What was the good of it John hardly knew. He felt better, he felt that at last he had made an attack on Peter Moran instead of waiting passively and effecting no retaliation. Besides, what was the use of being in possession of the key to the codes if he never took...

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A penetration test, occasionally pentest, is a method of evaluating the computer security of a computer system or network by simulating an attack from malicious outsiders (who do not have an authorized means of accessing the organization's systems) and malicious insiders (who have some level of authorized access).

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