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

18,771 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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951 - 975 of 3,076 Reviews for IT Security: Defense against the digital dark arts

By Bilel J

Feb 20, 2023

This course is quite good. Thanks Google team. Much love

By Mohammed A A M

Jul 19, 2022


By Jamiu A

Jul 18, 2022

Learnt a lot, confidence level boosted..Great job y'all

By Deleted A

Jun 9, 2020

Interesting course. Learned more than I thought I would.

By Tebryia L

Dec 21, 2019

Challenging and full of information, highly recommended!

By Wilhelm S

Oct 20, 2019

Thank you so much for giving me the chance to take this.

By Christine F

Sep 30, 2019

This course was very interesting and tricky bu I did it!

By Marc J L

Sep 1, 2019

Such a nice intro to security concepts. Great job folks!

By Ryan O

Jan 8, 2019

Good course. Lots of valuable concepts and information.

By Tsekani A J

Aug 4, 2018

Learned so much about security that I did not know about

By Saidatul S J

Mar 15, 2023

good course for early or beginner with zero knowledge .

By Argwens O

Oct 10, 2022

perfect course indeed ,,thanks a lot to all my tuitors

By Heri L

Jul 21, 2022

wow so great new knowladge thank you for the intructors

By Venkat G

Jan 8, 2022

Fabulous Explanation and Good questions and assignments

By maritess b

Nov 27, 2020

Thank you very much, I've learned a lot on this course.

By Prashant C

Oct 28, 2020

thanks to the whole team who made this wonderful course


Oct 15, 2020

Better Platform for Learning New Thing in Cheapest way.

By Stephanie D L S

Aug 30, 2020

Very informative about all aspects in the IT community.


Aug 24, 2020

Thanks for a life saving ,career changing opportunities

By Jim H

Apr 2, 2020

Comprehensive look at IT security methods and policies.

By Danard V

Oct 9, 2019

Thank you! This was an amazing course. I learned a lot.

By Jean F D

Aug 2, 2019

Beyond anything I thought I could do! Thank you Google!

By Jim E

Feb 7, 2019

This was a very enlightening course. Great stuff. : )

By Akash F

Mar 19, 2023

Great course by google and lots of thanks for coursera

By IhsanUllah D A

Sep 5, 2022

So meaningfull and easy to understan and pefect course