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

15,572 ratings
2,601 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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2401 - 2425 of 2,624 Reviews for IT Security: Defense against the digital dark arts

By Prajakta S

Oct 16, 2020

Overall a nice certificate! Sometimes things get a little harder than usual.

By Killua S

Apr 16, 2021

I really enjoyed and got very important knowledge from this specialization

By Pooja

Sep 15, 2020

awesome way of explaination , literally from zero to hero in cybersecurity

By Naseem A

May 3, 2020

It is one of the best online certification platform for all the beginners.

By Michael M

Dec 7, 2019

Good overview of information one should know to get stated in IT Security.

By KinMeng C

Mar 11, 2021

It would be better if the course has provided course notes in PDF format.

By Andre C

Jan 18, 2021

Very dense material but a great course to get started with IT security.

By kusum k

Sep 15, 2020

You give me the coincidence and courage to find a suitable job for me.


Jun 18, 2020

I had fun in learning this course, but few concept were out of my mind

By pramod k J S s

May 23, 2021

Good - provide overall view of current technologies used in industry.


Feb 5, 2019

very informative and makes you think about security in a everyday way

By Kevin T

Jun 10, 2018

hit all the points, some more labs with security tools can be useful.

By Oscar P

Aug 20, 2019

Last assignment was confusing and there is no place to upload it to.

By Ndubuisi O

Feb 5, 2022

Great course. Great insights. Thank you so much Google and Cousera.

By Eric A

Mar 21, 2019

I hope in the future they'll include some Qwik lab in these module.

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