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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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601 - 625 of 2,754 Reviews for IT Security: Defense against the digital dark arts

By Thirumala r

Apr 1, 2022

V​ery helpful and provides a wide range of information for entry level IT job positions.


Feb 24, 2022

La experiencia del instructor es alta, el material con el que explica todo es muy claro.

By Fatih G

Nov 10, 2021

It is really useful course to learn the basics of computer, system and internet security

By Shaela M

Sep 4, 2021

This course was super helpful and very informative! I recommend this course to everyone!

By Eric P

Apr 10, 2021

Effective overview of the IT security principles. Requires only a few hours for 6 weeks.

By luis r

Jan 3, 2021

What a great course to help understand the Security protocol on computers and companies.

By Ronald D

Jan 3, 2021

Great course to enhance your skills and strengthen knowledge of an IT Support Specialist

By Sergei R

Apr 28, 2020

General view with basic details about security. It is a good start point for a beginner.

By Ivan B

Mar 8, 2018

I have learnt a lot, it is a good point for starting in the (broad) field of IT Security

By Matias R J

Nov 2, 2020

I really enjoy it, from start to end.

I were able to revise many concepts that i forgot.

By PravinBalaji

May 13, 2020

A good content course from Google encourages me to learn and do a lot. Thank You Google

By Sjir B

Apr 14, 2018

Very fun course! I think it touched the right subjects and explained it in a great way.


Feb 27, 2021

Security is new to me and I would like to further my study on this subject. It is fun.

By Ralph A M

Oct 4, 2020

This was an interesting way to present the concept of security in a data driven world.

By Paul B

Nov 16, 2019

Great Course thank you to all the instructors it has been a great learning experience.

By jc A

Jul 25, 2019

excellent course and program. i've learned alot and am proud and glad i stuck with it.

By Damaso R

Jan 28, 2019

Great information! IT Security will only become more prevalent. A very valuable course

By Alfredo S

Nov 20, 2021

Informacion veraz y completa, todo lo que debemos saber como soporte IT en seguridad.

By Mohamed A

Jun 17, 2020

the very good content. and a good instructor.

thank you google and Coursera community.

By Eliseu N

May 15, 2020

basic knowledge of vital points of how to prevent and protect your organisation infra

By Jennifer, M

May 6, 2020

This Course has thought me so much more information than what my regular classes did.

By Muhammad H F b H

May 6, 2020

The course is really informative and is good for kick-starting a career in IT Support

By Jay K

Apr 10, 2022

Awesome teaching and great content thank you Google and Coursera. I really loved it.


May 27, 2021

curso Ótimo! aprendi muito vou dedicar mais e mais, Gosto muito Tecnologia em geral

By Sergio B

Mar 31, 2021

This was a very interesting part of the course and the instructor taught it well imo