Excellent course. Quite demanding in places but worthwhile. Covered many topics and has left me wanting to further my knowledge.

It is an amazing course. Every subject is excellent explained and all the knowledge acquired is useful for all IT professionals

With this course I understand the Value of a Sys Admin and the Value of Security in IT, Thanks to the Instructor of that course

One of the greatest training courses i ever taken , remarkable Great , specific , accurate information , Professional thank you

Too difficult in 5 week, because youhave to search how to install some code in tcpdump, but you want skills for troubleshooting

I highly recommend this course especially if you are new to IT or need a refresher and have experience already in the IT filed.

Excellent course for beginners and experienced professionals! Perfectly paced with all the intricate details. Thank you Google!

Incredible set of knowledge, well explained from easy to really hard, learned more organization to get through the last course.

It's great and it's taught me a lot with the hands-on high-level skills experince, it's one of the best model of the course.

"This course has been a help to teaching me the ethics to IT security and what are good and bad habits within the IT business.

It is a great course for anyone who wants get deep understanding of security concepts. Every concept is explained very nicely.

Just a reminder, take the weeks in order. I didn't. Not a good idea. What you learn in week 2 is used in all the other weeks

Good starting IT learning course, and excellent instructors, glad I took this course and looking forward to learn more. thanks

thanks a lot coursera for your help!

I've learned to secure technological items to prevent attacks

thank youuuuuu very much!!!!!

IT Security is everyone responsibility in a organization. I hope to contribute to the IT security of an organization some day!

Very well rounded and comprehensive outlook on defensive measures and related methods of defense to hackers scams viruses etc

Great information delivered for beginners by industry experts. Great experience in learning if your ready and self motivated.

Most interesting and helpful module for my career perspective.

Need some more practical exercises related to Firewalls and VPN

I'm very excited to make it this far!!!!!!!!!! Thank you Google and thank you my instructor Andrew Theobald. You all rock!!!!

Very informative and detailed. Helped a beginner understand the different aspects of IT support. Explain well and thoroughly.

If you really want to secure your computer systems and networks, you can't do away with this course. It's simply phenomenal.

Some of the material covered is super dense, but conveyed in an understandable way. Take your time and you'll do just fine!

I absolutely love this course, my favorite to learn, which there were more lessons!!! Thank you very much . Mary Jane Skidds

Awesome course for someone who is starting their IT career, all the topics are clearly described and are easy to understand.

This course was very informative. In this course I needed to study other resources more than any other course in the series.