As a courtesy, some credit card companies give temporary credit card numbers that can only be used once for online purchases. Users need to go to their credit card company's website to get a temporary number. Provide some examples of how this technology improves upon the standard of using a credit card online. What are the benefits and drawbacks of using this method over using an electronic payment gateway authentication?

Q: Explain why electronic transfers with credit card numbers can be unsafe.

A: Answer to the above question is in step2.

Q: Explain the role of a "certificate revocation authority (CRA)" in managing digital certificates and…

A: A "Certificate Revocation Authority (CRA)" plays a crucial role in managing the validity of digital…

Q: Explain the concept of cookies in web technology and their significance for user authentication.

A: =>            Web technology, also known as web tech or web development technology, refers to a…

Q: In what manner do password managers store encrypted passwords? What are the different options for…

A: In this question we have to understand how the password managers store encrypted passwords. We will…

Q: - smart card used for authentication is: O something you know O something you have O something you…

A: A smart card used for authentication is physical thing which we carry to verify ourself. So its…

Q: Using your PIN and your ATM card to withdraw money is an example of mutual authentication.  True…

A: Since the pin has access as a private key, and all the relative fields in the ATM are done only…

Q: Create tool to decrypt or get clear version of encrypted bank account number data. Command line…

A: Create tool to decrypt or get clear version of encrypted bank account number data. Command line…

Q: Give at least three reasons why it's important to encrypt data.

A: Data encryption is the process of converting plaintext into ciphertext, a form that is unreadable…

Q: What security procedures may secure vehicular communications? * What is the time it takes to encrypt…

A: Given:   What security procedures may secure vehicular communications? * What is the time it takes…

Q: How do you encrypt your data (e.g. emails, your files in the cloud and messages)  against unwelcome…

A: Use end-to-end encryption: End-to-end encryption ensures that only the intended recipient can…

Q: Justify why some automated transactions using credit card numbers can be deemed dangerous.

A: Introduction: In certain circumstances, such as written authorizations for mail order payments or…

Q: Some credit card issuers provide a one-time-use credit card number as a more secure method of…

A: Credit cards are one of the most popular forms of electronic payment since they let users make…

Q: What alternatives are available for message authentication?

A: A message authentication code (MAC), also known as a tag in cryptography, is a small piece of…

Q: How can one generate message authentication using cryptographic methods?

A: Message Authentication Code: A message's honesty and credibility may be guaranteed by a Message…

Q: Briefly describe Local and Radius AAA authentication. List all commands for Local and Radius-based…

A: Local AAA (Local Authentication) is a local method that can be used to authenticate users. A client…

Q: Describe authentication and authorization mechanisms in a cloud environment.

A: In a cloud environment, authentication and authorization are crucial components of ensuring the…

Q: Explain the purpose and features of Windows BitLocker encryption and how it enhances data security.

A: Security is a paramount concern for modern computing environments. Windows operating systems offer a…

Q: Explain the role of public key cryptography in secure communication. How do public and private keys…

A: Asymmetric cryptography, or public key cryptography, is a type of cryptography that encrypts data…

Q: why using Contactless Authentication System

A: why using Contactless Authentication System Using Hand Gestures in restaurant is important  ?…

Q: Credit card companies may provide temporary credit card numbers for one-time usage in online…

A: The idea is that the user enters his PIN each time he makes an online purchase and then, to complete…

Q: Symmetric cryptography requires the parties encrypting and decrypting to share a key.

A: Intro Symmetric cryptography (sometimes known as symmetric-key encryption) is defined as follows:…

Q: When using public key cryptography, how many keys are required?

A: Given: When using public-key cryptography, how many keys are required?

Q: Using smart cards for authentication isn't necessary if magnetic stripe cards already work.

A: In the recent days , smart cards have gained popularity all over the world by surpassing the…

Q: Certain credit card companies issue one-time-use credit card numbers as an added degree of security…

A: Introduction: Visa or MasterCard: It's a little rectangular piece of plastic or metal provided by…

Q: Some credit-card companies offer a one-time-use credit-card number as a more secure method of…

A: Answer is in Step 2.

Q: Some credit card companies issue one-time-use credit card numbers as an additional level of…

A: Credit card: It is a compact, rectangular piece of plastic or metal that financial institutions…

Q: create a Login and registration page using python and mysql

A:

Q: One-time-use credit card numbers are offered by certain credit card providers as an extra layer of…

A: Introduction: Credit card: It is a small rectangular piece of plastic or metal issued by financial…

Q: Authentication: why? Which authentication methods are best and worst?

A: Authentication is a fundamental aspect of information security that serves to verify the identity of…

Q: Web servers storing transaction information must be encrypted with both public and private keys for…

A: Please find the answer below :

Q: What alternative methods are available for message authentication?

A: To avoid unauthorized access and tampering, it is crucial to guarantee the authenticity and…

Q: Explain mechanisms that software on a desktop computer can use to securely generate secret keys for…

A: The Diffie-Hellman algorithm will be used to establish a secure communication channel. This channel…

Q: symmetric cryptography uses a key that must be shared between the encrypting and decrypting parties.

A: Answer:

Q: Explain the benefits of elliptic curve cryptography and why it is used.

A: Cryptography: Cryptography is the process of transforming information (referred to as plaintext)…

Q: How do password managers save encrypted passwords? Local, web-based, cloned, or USB-based?

A: Given, How do password managers save encrypted passwords? Local, web-based, cloned, or USB-based?

Q: A certificate authority signs a user's public key with its own private key. How does a browser use…

A: An asymmetric key encryption scheme is one in which the encryption and decryption keys are the…

Q: Mutual authentication is shown by withdrawing money using your PIN and ATM card. True False

A: The answer:

Network Security

The word "network security" refers to a wide range of technology, devices, and processes. In its most basic form, it is a combination of rules and configurations that use both hardware and software technologies to safeguard the confidentiality, integrity, and accessibility of computer networks and data. Every company, regardless of sector, size or infrastructure, needs network security solutions to protect itself from the ever-increasing landscape of cyber threats that exist today.