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You're reading from  ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide

Product typeBook
Published inSep 2023
PublisherPackt
ISBN-139781803236902
Edition1st Edition
Concepts
Cybersecurity
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Author (1)
Shobhit Mehta
Shobhit Mehta
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Shobhit Mehta

Shobhit Mehta is the Security and Compliance Director at Headspace, an on-demand mental health company in San Francisco, CA. Previously, he worked in different facets of security and assurance with HSBC, Deutsche Bank, Credit Suisse, PayPal, and Fidelity Investments. He also works with ISACA to develop exam questions for CISA, CISM, and CGEIT, served as the technical reviewer for the CGEIT and CISA review manuals, and is a published author for the COBIT 5 journal. He completed his MS in cybersecurity at Northeastern University, Boston, and holds CRISC, CISM, CISA, CGEIT, CISSP, and CCSP certifications. In his spare time, he likes to explore the inclined trails of the Bay Area, complete ultramarathons, and blog on GRCMusings.
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Certificates

The use of public key encryption (asymmetric encryption) allows for the decryption of data encrypted with the corresponding public key by the holder of a private key. However, it doesn’t provide any confirmation of the identity of the person who owns the public key. To establish a link between public keys and specific owners, certificates are utilized with the aid of a trusted third party known as a certificate authority (CA). The CA confirms the identity of the owner using other methods and creates a certificate that the owner can use to verify that the public key belongs to them. By trusting this process, the receiver of a digitally signed message using the public key of the certificate can confirm that the message was sent and signed by the claimed sender. Additionally, the recipient can use the public key to encrypt a response that only the intended receiver can open.

These certificates can be issued by different CAs; imagine if each CA used its own format...

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ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide
Published in: Sep 2023Publisher: PacktISBN-13: 9781803236902
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Shobhit Mehta

Shobhit Mehta is the Security and Compliance Director at Headspace, an on-demand mental health company in San Francisco, CA. Previously, he worked in different facets of security and assurance with HSBC, Deutsche Bank, Credit Suisse, PayPal, and Fidelity Investments. He also works with ISACA to develop exam questions for CISA, CISM, and CGEIT, served as the technical reviewer for the CGEIT and CISA review manuals, and is a published author for the COBIT 5 journal. He completed his MS in cybersecurity at Northeastern University, Boston, and holds CRISC, CISM, CISA, CGEIT, CISSP, and CCSP certifications. In his spare time, he likes to explore the inclined trails of the Bay Area, complete ultramarathons, and blog on GRCMusings.
Read more about Shobhit Mehta

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