Browse Definitions:
File Extension

CRT File Format

Certificate file

CRT is a file extension for a digital certificate file used with a web browser. CRT files are used to verify a secure website's authenticity, distributed by certificate authority (CA) companies such as GlobalSign, VeriSign and Thawte. CRT files allow a web browser to connect securely using the Secure Sockets Layer protocol. CRT files can be viewed by clicking the lock icon within your web browser.

MIME type: application/x-x509-ca-cert, application/pkix-cert, application/keychain_access, application/x-x509-user-cert

 

Learn more about .CRT files:

SearchSecurity.com has collected news and learning resources about digital certificates.

Visit the VeriSign web page.

Learn about Security Certificates at ITKnowledgeExchange.com.

This was last updated in September 2010
Browse File Extensions Alphabetically:

Ask a Question. Find an Answer.

Ask your peers a question about this file extension.

Ask a Question

Join the conversation

1 comment

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

could not download either McAfee by AT&T website nor Norton 360 by CD. The Norton install screen does not come up. Is it caused by the same thing?
Cancel

-ADS BY GOOGLE

SearchCompliance

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.

SearchSecurity

  • principle of least privilege (POLP)

    The principle of least privilege (POLP), an important concept in computer security, is the practice of limiting access rights for...

  • identity management (ID management)

    Identity management (ID management) is the organizational process for identifying, authenticating and authorizing individuals or ...

  • zero-day (computer)

    A zero-day vulnerability, also known as a computer zero day, is a flaw in software, hardware or firmware that is unknown to the ...

SearchHealthIT

SearchDisasterRecovery

  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

SearchStorage

SearchSolidStateStorage

  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.

Close