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

15,924 ratings
2,660 reviews

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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2626 - 2650 of 2,688 Reviews for IT Security: Defense against the digital dark arts

By Eman A

Oct 26, 2021

A lot of unimportant and difficult information and details and a lot of things that cause confusion,, there is very little practical duties without learning it its lessons

By Matheus I

Sep 29, 2021

S​ome parts of it are very technically dense without much need for this level. Longer and more frequent quizes would be helpful, as well as labs and other exercises.

By Obinna N

Aug 27, 2021

I learnt a lot from the course. But the training materials can be improved to become more explanatory and easy to understand.

By Abdelrahman A M

Jul 25, 2020

This is a heavy material that needs more diagrams and animations to simplify other than thi it`s very awesome and beneficial

By Darrean S

Jul 25, 2018

To long to grade stuff, going to have to give a poor review based on that , however the learning material is nice.

By Misel F

Feb 24, 2021

Could be more hands-on. Some stuff feel basic. A solid try by google to convert cheap-hands into future IT roles.

By Hank H

Jul 27, 2018

Would have liked some labs and more detail about services. VPNs, Reverse Proxies. IDS, IPS, all that jazz.

By Shek M T

Apr 8, 2022

The instructor just regurgitate keywords but does not take the time to explain any of the keywords.

By Deleted A

Jan 30, 2018

I thought they would Teach like security on different OSs and how to protect them, more hands on...

By Ngoc Q P

Mar 23, 2020

There are a few of questions that had ambiguous answers (in my opinion)

By Carlos A

Mar 17, 2022

D​ifficult. Too many acronyms and terms weren't properly explained

By Daniel M

Dec 4, 2019

kinda rough with a lot of info that you will need to go over again

By Tania L

Feb 12, 2021

Not enough hands-on practice just a bunch of terminology.

By Emmett H

Mar 30, 2020

It was a ton of information but I got the most of it.

By Abdullah A E H

Oct 30, 2020

the course was long and hard to focus in every thing

By Quanbin S

Oct 10, 2019

this course has too much information but less lab.

By Vysakh S N

Mar 28, 2022

i am not able to download or see my certificate

By Lonnie M I

Jul 20, 2020

was not hard enough after the first 2 courses.

By Kumar R

Dec 4, 2021

i am very happy to part of learning hear

By Adityaraj

May 22, 2020

practical explanation is required

By David R M

Sep 27, 2020

A good course. I recomend it

By Donald C

Nov 7, 2020

it was a hard course

By Jeremiah Z

Oct 11, 2019

It was interesting

By Josh K

Jul 15, 2020

Needs some work.

By Muhammad H A G

Dec 29, 2020

lack animation