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

18,851 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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726 - 750 of 3,094 Reviews for IT Security: Defense against the digital dark arts

By Robert B C

Jun 19, 2022

Good overview of several different topics relating to the IT support position.

By Esteban S

Nov 28, 2020

Gran curso! Muchos contenidos técnicos muy interesantes relativos a seguridad.

By Leo P

May 19, 2020

Great content, best helpdesk, I highly recommend this course, thanks Coursera!

By Maryam H A

Apr 29, 2020

It was a great experiment, great experience was games. Thank you all very much

By Freddy

Mar 31, 2023

Don't give up! If you don't believe in yourself how can others. You got this!

By Barbara O

Dec 13, 2022

Me ayudo mucho, especialmente las actividades de laboratorio. Muchas gracias!

By Stefanie R

Apr 10, 2022

Consulting a company to set up data protection, firewall, set up laptop, ....

By Muhammad A

Nov 27, 2020

Amazing and interesting course best course for beginners who want to learn IT

By Juan A R

Sep 29, 2020

It was complicated but everything made sense at the end. Thank you very much!

By Thornton D

Sep 1, 2020

Material was definitely more in-depth in this section and challenged me more.

By Lawrence K

Jul 12, 2020

very informative but can be information overload if you are new to the field.

By Andrew R B

Feb 23, 2020

Really good course for beginners.....This course should be help me in future.

By Ed R

Jan 19, 2020

AMAZING EXPERIENCE!!! Loved every aspect of every course. What can I say? lol

By Reginald

Nov 1, 2022

I learned a great deal and was motivated to finally take on Linux. Thank you

By Ric C

Jul 23, 2022

Great starter course - gives you a real overview of the need for IT security

By Farit A C C

Feb 18, 2022

Amé este curso. Fue de mucho provecho. Nunca había visto un curso de estos.

By Shaifudin B B

Jul 3, 2021

Another full of knowledge module. Yes we need this! More assignments please.

By Gabriella B

Mar 14, 2021

Extremely challenging in numerous sections, however, very rewarding as well.

By Myles R

Jun 22, 2020

Love this certificate! Helped me learn so much and prepared me for a career!

By Philip M

Aug 3, 2019

Very interesting course with great instructors and affordable price! Thanks!

By Arvino Z

Jul 18, 2022

easy-to-understand course material, very fun practical exercises.. awesome!

By abo a

Nov 18, 2021

I have some problems like Sorry, your quota for this lab has been exceeded.

By mistercath

Nov 10, 2021

This was a very unique opportunity and I'm very grateful for it. Thank you.

By Lloyd B

Mar 9, 2021

This was a fun Cert, and I'm looking forward to taking more Coursera Cert's

By Florencia L

Nov 22, 2020

I recommend this course, it has great information about the whole IT field.