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

16,296 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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2526 - 2550 of 2,750 Reviews for IT Security: Defense against the digital dark arts

By John S

Nov 5, 2020

I enjoyed this section a lot and it was very fun and interesting.

By Christopher M

Jun 18, 2018

Challenging but enjoyed learning in depth about network security.

By tejbahadur

Feb 20, 2019

course is informative. I can use it for my daily life even after

By Dave B

Aug 23, 2020

Good content and the instructor was actually funny. (kind of.)

By Robert S L

Oct 1, 2018

Interesting course as an Intro for various technical concepts.

By Ury

Jun 29, 2020

difficult and required a lot more patient. but good content

By Renuka P

Apr 26, 2020

it was good, more hands-on session will add into the course

By Anthony T D

Feb 8, 2019

Tough last project, but other than that, exceptional course

By Cesar R M C

Jun 26, 2019

Definitely worth taking. It's challenging and achievable.


Aug 2, 2020

It is a good course for having a hands on experience :D

By Bouaouiouch K

May 3, 2022

good but cant take it over because time is passed? :-(


Jul 21, 2021

The goal for this course was well achieved, thank you.

By Onthatile T

Dec 11, 2020

All the necessary skills i needed i acquired them here

By Ranjoy S R

Jul 9, 2020

Could be better if there were more hands-on exercises.

By Luís C

May 2, 2020

Very interesting course with full of isefull subjects

By Naung Y O

Feb 10, 2019

I can't even imagine how harder in the real world.

By Harrison H

Nov 11, 2018

Peer-reviewed assignments will be the death of me

By S. " S

Jun 29, 2022

One of my favorite courses, if not, my favorite.

By Lee W

Jul 16, 2020

Good overview of security for computer systems.

By Lexii P

Aug 15, 2018

Make sure you check the discussion for week 6!

By Brian S

Oct 22, 2021

Good course. A lot of information to process!

By Alejado N

Oct 21, 2021

I enjoyed learning the basics of IT security.

By Pete F

Aug 8, 2022

I would have liked more practice in the labs

By Nadeem K S

Jun 14, 2022

Very Informative and awosme learning tacks.

By Murlene F

May 29, 2020

I had a few issues with the 3rd party labs.