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Learner Reviews & Feedback for IT Security: Defense against the digital dark arts by Google

18,792 ratings

About the Course

This course covers a wide variety of IT security concepts, tools, and best practices. It introduces threats and attacks and the many ways they can show up. We’ll give you some background of encryption algorithms and how they’re used to safeguard data. Then, we’ll dive into the three As of information security: authentication, authorization, and accounting. We’ll also cover network security solutions, ranging from firewalls to Wifi encryption options. The course is rounded out by putting all these elements together into a multi-layered, in-depth security architecture, followed by recommendations on how to integrate a culture of security into your organization or team. At the end of this course, you’ll understand: ● how various encryption algorithms and techniques work as well as their benefits and limitations. ● various authentication systems and types. ● the difference between authentication and authorization. ● how to evaluate potential risks and recommend ways to reduce risk. ● best practices for securing a network. ● how to help others to grasp security concepts and protect themselves....

Top reviews


Apr 9, 2022

Great course for beginners and experts. Easy to understand and a good refresher for those who have been into IT for a long date. Recommend it to everyone looking for a high quality course on coursera.


Apr 25, 2018

Great course that is full of useful information and presented in an easy to understand way. It's an awesome beginner course that will add to your knowledge and further your knowledge of IT security.

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776 - 800 of 3,084 Reviews for IT Security: Defense against the digital dark arts

By LaTonya D R

Nov 23, 2021

A little challenging, but I'm glad I stuck with it. Great instructor(s)


Jun 10, 2021

thanks you so much for the opportunity given, I will still ask for more.

By Chris H

Nov 13, 2020

Great course lots of info that final project really put my brain to work

By Fleer, J

May 17, 2020

This course took me a little to get in to it, but once i did I LOVED IT!

By Rashik A

May 11, 2020

Very nice!!!! Learnt a lot about potential attacks and their mitigation.

By Ayush B

Apr 18, 2020

Great Course.

Provides rock-solid fundamentals to know the subject well.


Mar 16, 2020

very good course to gain knowledge about network security and encryption

By Cindy L

Dec 28, 2019

Great course regarding various aspects of security and defenses. Thanks

By Dorjan Q

Aug 8, 2019

Great overall training and very good knowledge earned during the course!

By Brandon

Mar 4, 2019

Learned the values of IT Security: Defense against the digital dark arts

By Don A

Aug 16, 2018

Great class. I learned a ton and can not wait to apply my new knowledge.

By Justin M

Mar 31, 2022

This was one of the more intense courses in this specialization for me.

By Lewis N

Mar 29, 2021

Very insightful, i would be glad if the same course had an advancement.

By Stephon H

Dec 19, 2020

It help me learn so much and sharpen some of the things I already knew.

By Gerald M M

Sep 9, 2020

This was a wonderful course, it was very well structured and practical.


Jul 4, 2020

it has been an amazing journey , in this course learned a lot of things


May 28, 2020

A Great Course!

This course gives a wide knowledge of computer security.

By Preeti P

Apr 24, 2020

Very very informative course. Everything in a very simple way. Thanks.]

By Svetoslav B

Feb 17, 2020

Improved my knowledge base, it is a lot of material so tread carefully.

By Shabako M

Feb 1, 2023


By Anthony O

Oct 13, 2022

great course reviewed alot of what i knew and learned alot. thank you

By Tek T

Jan 13, 2022

It was a very good course I recommend it to anyone who want to know IT

By Jonathan R S

Oct 29, 2021

The course was excellent, everything learned will be put into practice

By Amos G B

Oct 7, 2021

This is a very in depth amazing course on security. Take lots of notes

By mark c

Jun 30, 2021

very good for increasing understanding of the many sides of the treat