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

16,308 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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2501 - 2525 of 2,754 Reviews for IT Security: Defense against the digital dark arts

By Kseniia K

Jan 18, 2020

in general it's great and contains a lot of information, but could be better organized

By Shannon C

Aug 1, 2019

Informative but hard. A rubric prior to finishing the final project would be great!

By Tony R

Oct 21, 2020

I think the exams could be made better. The information and videos were excellent.

By Alan T F

Jan 1, 2021

I love the practical approach to relaying subject material. It was easy to digest

By Simran M

Jun 4, 2020

The course was super exciting with the hands-on tool. Thank you for this course.

By krisH J

Apr 6, 2020

the course is superb and covered many things.I thanks to instructors heartfully.

By Narayan G

Jul 15, 2020

Well wanted more practical experiences and some details, else good for basics.

By Deleted A

May 19, 2020

Great course in very easy way.Learn very much needed concepts.Happy with this.

By Katura K

Dec 23, 2018

The final assessment instructions were quite vague for a novice IT individual.

By Karin H

Mar 2, 2021

I would have liked more interaction with creating a secure environment online

By Tony A

Jul 14, 2018

Good material. I think the pedagogy needs a little work, but good information

By Benjamin M

Mar 28, 2018

A few announced interesting Supplemental readings where actually not included

By Bill C

Feb 16, 2022

I​ t was changeling, and it made me think more deeply about IT Security ....

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.