What is authentication in computer science GCSE?

What is authentication in computer science GCSE?

What is authentication in computer science GCSE?

Authentication is the process of a user confirming that they are who they say they are on a computer system. In a network, this is often done through inputting a username and password. For networks that require high levels of security, authentication may include other methods.

How can authentication be used to make a program more secure?

These include:

  1. entering a PIN.
  2. fingerprint or facial recognition.
  3. sending an email to the user’s email address to ask them to confirm a new online payment.

What is an authentication in computer science?

Verifying the identity of a user, process, or device, often as a prerequisite to allowing access to resources in an information system.

What are the different types of validation checks?

Types of validation

Validation type How it works
Format check Checks the data is in the right format
Length check Checks the data isn’t too short or too long
Lookup table Looks up acceptable values in a table
Presence check Checks that data has been entered into a field

What is two factor authentication?

Two-factor authentication (2FA) is a security system that requires two separate, distinct forms of identification in order to access something. The first factor is a password and the second commonly includes a text with a code sent to your smartphone, or biometrics using your fingerprint, face, or retina.

What is biometric authentication in cryptography?

Biometric authentication refers to security processes that verify a user’s identity through unique biological traits such as retinas, irises, voices, facial characteristics, and fingerprints.

What are the three strategies that can be used to authenticate a user to a computer system?

Operating Systems generally identifies/authenticates users using following 3 ways : Passwords, Physical identification, and Biometrics.

What are authentication techniques?

Multi-factor authentication Examples include codes generated from the user’s smartphone, Captcha tests, fingerprints, voice biometrics or facial recognition. MFA authentication methods and technologies increase the confidence of users by adding multiple layers of security.

What is authentication example?

In computing, authentication is the process of verifying the identity of a person or device. A common example is entering a username and password when you log in to a website. Entering the correct login information lets the website know 1) who you are and 2) that it is actually you accessing the website.