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Ops 401: Class 09

Nicholas Loiacono edited this page Apr 27, 2023 · 1 revision

This topic matters as it relates to what I'm studying in this module because it is an essential aspect of internet security and plays a crucial role in maintaining secure communication online.

The three main components that make up PKI (Public Key Infrastructure) are:

  • Digital Certificates
  • Public and Private Key Pairs
  • Certificate Authorities (CAs)

In simple terms, PKI is like a digital passport system for online communication. When you browse the internet and visit a website, PKI helps ensure that the website is genuine and your connection to it is secure. It does this by using digital certificates, special keys, and trusted third parties called Certificate Authorities. They work together to verify the identity of the website and encrypt the data that is exchanged between your browser and the web server. This way, hackers can't snoop on your private information or pretend to be the website you're visiting.

The main weakness of the PKI architecture is its reliance on Certificate Authorities. If a Certificate Authority is compromised or not trustworthy, it could issue fake certificates, making it possible for hackers to impersonate legitimate websites and intercept sensitive data. This is why it's crucial to have a strong and secure system of trusted Certificate Authorities in place.

Things I want to know more about are if there are signs of a Certificate Authority that has been compromised.

References

What is PKI (Public Key Infrastructure)? SSH. Retrieved April 27, 2023 from SSH Academy

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