Computer Security Introduction

What does computer security refer to?

Why is computer security important?

What type of attacks happen when a system is connected to the Internet?

Which type of security involves protecting a system's information from theft and piracy?

What risk does the text NOT associate with the Internet?

Who are trying to harm computer security for various purposes according to the text?

What is the main objective of information security?

What does application security aim to protect?

Why is network security important?

Which security approach aims at creating software without bugs?

What is a common method used in network security to protect against malware and cyber attacks?

Which aspect of security aims to deter criminal activities by providing a sense of safety?

Why is it challenging to achieve 'Security by Correctness' in software development?

Which type of attack involves intercepting and altering data packets traveling over a network?

What is the primary purpose of network security?

In what way do physical security measures contribute to overall security?

What is one of the main challenges of implementing Security by Isolation according to the text?

Which characteristic describes monolithic kernels mentioned in the text?

What technology is suggested in the text as a potential solution to the challenges of using monolithic kernels?

Which approach aims to make system exploitation very hard for attackers rather than removing all bugs?

Why do some industry experts prefer monolithic kernels over micro-kernels according to the text?

Which mechanism aims to make exploitation of bugs difficult by randomizing memory addresses?

Why does Security by Obscurity not prevent all types of attacks effectively according to the text?

"Thin bare-metal hypervisors, like Xen, can act as micro-kernels by ____________.

What is the main focus of Security by Isolation according to the text?

What does confidentiality refer to in the context of information security?

Which term refers to ensuring data remains accurate and consistent throughout its life cycle?

What is the main purpose of authentication in information security?

In cryptography, what does ciphertext refer to?

Why is plaintext protection important in cryptography?

What type of attack involves an attacker having both the plaintext and its encrypted form?

Which action can help avoid revealing plaintext passwords in application configuration files?

What is the main objective of non-repudiation in information security?

Why is it important to protect plaintext stored in computer files?

What happens during a known-plaintext attack in cryptanalysis?

What is the main goal of a passive attack?

Which ethical issue in the security system deals with the individual's right to access personal information?

What is the hierarchy of regulatory bodies that govern the legality of information security?

What does Cryptography mainly focus on?

Which type of attack involves changing information by conducting processes on it?

What is the purpose of Cryptography in information security?

What does the confidentiality principle of security state?

Which attack can occur if proper authentication mechanisms are absent?

What is compromised if a message's content changes during transmission without the knowledge of the sender or receiver?

Which principle of security ensures that a sender cannot deny sending a message?

What does the access control principle of security focus on?

In the context of security principles, what does availability refer to?

Which security principle establishes proof of identity in electronic messages?

If an unauthorized user accesses a confidential message, what security principle fails?

What does a substitution cipher do?

What is the main purpose of encryption in data transmission?

In a transposition cipher, what happens to the position of characters?

In symmetric key cryptography, what role does the individual key play?

What is the primary function of decryption?

What is the encryption method in a Rail Fence cipher?

What differentiates stream ciphers from block ciphers?

How does a substitution cipher differ from a transposition cipher?

In which type of cipher is the character position changed but the character identity remains the same?

Why does encryption not prevent interference in itself?

Which major difference between encryption and decryption is highlighted in the text?

What is the primary challenge associated with basic substitution ciphers?

'Sensitive data is transmitted in an encrypted form' primarily aims to achieve what goal?

How do transposition ciphers differ from substitution ciphers in terms of detection?

'An authorized recipient can easily decrypt the message with the key provided by the originator' indicates what crucial aspect of decryption?

What type of encryption may utilize an extensive text set and clever substitution, as mentioned?

What is an example of a simple substitution cipher?

What characteristic differentiates symmetric key cryptography from other encryption methods?

What is the primary reason why block ciphers divide data into larger chunks before encryption?

What is the main purpose of a Rail Fence cipher?