I need someone to give me short Answers for each question with short perfect explanations: 1. Explain the computer security objectives? or what are the three objectives of Computer Security? 2. What is the difference between passive and active security threats? Give an example of each one? 3. what is security mechanism?

Q: How is a hash value safeguarded for message authentication? Can a MAC algorithm be exploited without…

A: Another kind of security is message authentication. The message authentication data security feature…

Q: Describe a challenge-response system within the context of authentication. Is this method more…

A: Understanding Challenge-Response AuthenticationChallenge-response systems form a distinct category…

Q: How is a message authentication hash value protected? Can a MAC algorithm be exploited in the…

A: A message authentication code (MAC) is the similar to the  cryptographic hash, with the exception…

Q: Give an example of each type of authentication and the risks that come with it. Then give an answer.…

A: Text-based password authentication is the most common form of authentication. In this method, a user…

Q: How is a message authentication hash value protected? Can a MAC algorithm be exploited in the…

A: MAC is also known as Message Authentication Code.

Q: Identify the vulnerabilities associated with each authentication technique and provide a fix for the…

A: The vulnerabilities associated with each authentication technique and their fix are given by:…

Q: What is the multifactor authentication procedure?   Do you realise the importance of a strong…

A: Intro Multifactor authentication: A user's identity may be verified using a variety of different…

Q: When you claim that the objectives of authentication are many things, what precisely do you mean by…

A: Introduction: process of authenticating a user's identity is known as authentication:

Q: For each kind of authentication, explain the danger and provide a countermeasure. Bob uses a hashing…

A: Authentication is the process of verifying the identity of a user or entity before granting access…

Q: What about encrypting an AES key with a secret password? Make a case for why your answer is correct.…

A: Standard for Advanced Encryption The United States government selected the symmetric block cypher…

Q: I have a hazy idea of what multifactor authentication entails. So, how does it prevent the…

A: Multifactor authentication (MFA) is a security method that requires users to provide multiple types…

Q: Separate hash from MAC code. Demonstrate their potential application in establishing message…

A: Hash:         A hash is a cryptographic function that takes a string of data as input and produces a…

Q: In the context of authentication, describe the notion of a challenge–response system. Is this…

A: The question has been answered in step2

Q: Is encryption of the connection and data from end to end possible? What is the advantage? Describe a…

A: Introduction of Link Encryption A message moving through a network is encrypted and decrypted at…

Q: Separate hash from MAC code. Provide examples of how they may be used to verify messages. What kinds…

A: Introduction : A hash is a cryptographic function used to protect data and verify data integrity. It…

Q: What is the difference between encryption and hashing? Explain their respective use cases and why…

A: AspectEncryptionHashingPurposeProtects data confidentiality during transmission or storageEnsures…

Q: What are the authentication's goals? Compare authentication techniques' pros and cons.

A: As technology advances, cybercriminals are becoming increasingly sophisticated. A new black web…

Q: I've never heard of "multifactor authentication." The issue is: How does it aid in preventing the…

A: Multi-factor authentication (MFA) is a security solution that involves the use of several security…

Q: How is the hash value of a message used for authentication protected? Is it possible to make use of…

A: a) The transmitter creates a hash function by concatenating the message with a symmetric key before…

Q: To solve the following issue, you must first identify the risks associated with the different…

A: The issue described involves Bob's use of a password hash database for authentication, where he…

Q: There is a functional distinction between local and remote user authentication. To what extent did…

A: Dear Student, The answer to your question is given below -

Q: My understanding of multifactor authentication is limited at best. What role does it play in…

A: Introduction: Is a type of security that uses multiple security measures to determine if a person is…

Q: The SHA1 cryptographic hashing method was developed in the United States by the National Security…

A: The Secure Hash Algorithm 1 (SHA-1), a cryptographic hash operation, was devised by the National…

Q: What exactly is multifactor authentication, and how does it function? What function does it play in…

A: Introduction: Multifactor authentication, also known as MFA, is an approach to protecting computer…

Q: How is a message authentication hash value protected? Can a MAC algorithm be exploited in the…

A: A hash function is constructed by combining a message with a symmetric key. The sender sends this…

Q: esa What is t.

A: Message Authentication code The message authentication code (MAC), sometimes known as a tag, is a…

Q: What is the concept of "salting" in the realm of password hashing, and why is it important?

A: In the context of password hashing, "salting" refers to the practice of adding random data, known as…

Q: What is a cryptographic hash function (CFH), and how does it work??

A: Cryptographic hash function: It's a mathematical function that turns a message's arbitrary length…

Q: When you speak about authentication's goals, what precisely do you have in mind as its ultimate…

A: Its ultimate goal is to ensure that only authorized users are able to access a particular resource…

Q: Is encryption of the connection and data from end to end possible? What is the advantage? Describe a…

A: Please find the answer below :

Q: Find the danger in each authentication method and explain how to deal with it. Bob uses a hashing…

A: Bob hashes Alice's password and compares it to a database of hashed passwords. This authorisation is…

Q: Can authentication help us reach our goals? We'll compare authentication types' pros and cons in…

A: Yes, authentication can help us reach our goals by providing a secure way to verify the identity of…

Q: Exist any implementations of multifactor authentication? What are some advantages of using strong…

A: Multifactor authentication (MFA) is a security mechanism that requires users to provide multiple…

Q: To solve the following issue, you must first identify the vulnerabilities in each authentication…

A: Authentication is a critical component of ensuring the security of user accounts and sensitive data.…

Q: Find the danger in each authentication method and explain how to deal with it. Bob uses a hashing…

A: Introduction Authentication is the process of verifying the identity of a user or device in order to…

Q: CBC is one example of block ciphers. What is CBC mode of encryption?  What is IV in the context of…

A: Please upvote. I am providing you the correct answer below. please please please.

Q: How is a message authentication hash value protected? Can a MAC algorithm be exploited in the…

A: A message is joined to a symmetric key by the transmitter to form a hash function. The receiver then…

Q: Is it possible to encrypt an AES key using a shared secret? Justify your answer Consider the hash…

A: Introduction: The Advanced Encryption Standard (AES) is a symmetric block cypher that the United…

Q: When you mention "authentication aims," what precisely do you mean? Examine the strengths and…

A: Authentication is the process of determining whether someone or something is, in fact, who or what…

Q: My understanding of multifactor authentication is limited at best. What role does it play in…

A: Multifactor authorization: Is a type of security that checks if a person is allowed to log into an…