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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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1526 - 1550 of 3,083 Reviews for IT Security: Defense against the digital dark arts


May 14, 2020

the greatest course ever

By Maftun

Dec 18, 2019

I've learnt many things.

By Rahul S

Sep 14, 2018

very important knowlewge

By Clint B

Aug 1, 2018

Great Class on Secrurity

By Swathi K

Mar 25, 2023

It was good experience.


Jan 22, 2023

lovly and superb course


Dec 18, 2022

Overall good experience

By Andrea S R G

Sep 8, 2022

Really Deep Information

By nicolas r a

Jun 21, 2022

Un curso extraordinario

By Chibuenyim E

Mar 11, 2022

An excellent IT course.

By Sheen L

Oct 10, 2021


By Mahesh M

Apr 26, 2021


By Chris O

Mar 14, 2021

cant believe i made it!

By Johana A W

Feb 15, 2021

It's an amazing course!

By Leonard C

Jan 20, 2021

Very Informative Course

By Daniel K

Dec 9, 2020



By subramanyam r p

Oct 9, 2020

very nice thank you sir

By Javier P

Sep 4, 2020

Outstanding course!!!!!

By Tianshu W

Jul 25, 2020

Thanks Love This A lot!

By Diogo F D S

Jul 17, 2020

Intensive, learn a lot.

By HuiZhi

Apr 26, 2020

It`s a very good course

By Milo F

Sep 22, 2019

The most useful module.

By dudley a

Jul 23, 2019

this is pretty exciting

By Terry J H

Mar 9, 2019

Complicated and intense

By Beniamin T

Oct 8, 2018

one of the best courses