From the course: CISSP Cert Prep (2021): 4 Communication and Network Security

Unlock the full course today

Join today to access over 22,600 courses taught by industry experts or purchase this course individually.

Securing common protocols

Securing common protocols

From the course: CISSP Cert Prep (2021): 4 Communication and Network Security

Start my 1-month free trial

Securing common protocols

“

- [Instructor] Just as TCP/IP was built without security in mind, many common protocols that we rely upon today do not have built-in encryption, and they require modification to support encryption technology. The most common example of adding encryption to a standard protocol is for securing web communications. You may be familiar with the HTTP protocol that's used to deliver websites to browsers over the internet. That's where the HTTP and a URL comes from. For example, here I'm visiting the website that the federal government runs for accessibility. When I look at the address bar, I see that it does not have the lock indicating that it uses encryption. If I look at the actual URL here, I also see there's no HTTPS. This communication is taking place over the standard HTTP protocol. It's not encrypted, and anyone who can eavesdrop on my network connection will be able to see what I'm doing on this website. On…

Contents