credential

kruh-DEN-shuhl /krəˈden.ʃəl/
nounC1GRETOEFL
professionaltechnical

A piece of information, such as a username, password, or digital certificate, used to verify a user's identity and grant access to a system.

In IT, credentials are often pluralized ('credentials') and refer specifically to the digital keys used to authenticate a user, rather than physical diplomas or certificates.

The story behind the word. From the Medieval Latin 'credentialis', from 'credere', meaning 'to believe or trust'. It originally referred to physical letters given to ambassadors to prove they were authorized to speak on behalf of their sovereign.

Word relationships

  • passkey: A passkey is a specific type of digital key or password, while credentials can encompass a broader set of identifying data, including usernames, tokens, and biometric data.

Commonly confused with

  • qualification: Qualifications refer to professional skills and achievements, whereas IT credentials are the specific digital data used to log into a system.

Word family

  • credentialing (noun): The process of verifying and issuing credentials.

Collocations

  • login credentials
  • verify credentials
  • compromised credentials

Example sentences

  • "Please enter your login credential to access the secure corporate portal." A corporate security policy document.

Memory hook

Think of 'credentials' as the digital 'credit' you use to prove you are who you say you are to a computer. Information that makes the system trust you.

When not to use

Do not use to describe a physical key or a simple access card unless referring to its digital authentication data.

Fun facts

  • The oldest known 'credentials' were clay seals used in ancient Mesopotamia to verify the authority of messengers carrying royal decrees.

Related words

phishing, firewall

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