This is a very interesting overview of some historical and contemporary technologies and how they were build with security in mind from the ground up, or in some cases how initial design flaws caused serious vulnerabilities later on. Very useful and informative.

Nice introduction to software threats and how to mitigate them already in the design phase. I am happy and curious to learn more and get deeper insights. Thank you!

Very interesting course, in terms of content and the delivery.

very good

good

Pretty good start, a bit stretchy at the end. Great for people fairly new to the security business, early material good for everyone.

Once I completed the course the certificate states "This specialization is for those with limited workplace experience...". I do have years of experience and ashamed to show such a certificate to a prospect employer. This is very discriminating and inappropriate to write this on the certificate, especially that this phrase did not appear in the description of the course or anywhere else. I am still glad that it was not written "This specialization is for those with limited brain function...", so I am happy to give this 1 star rating.

it is a very good course and I am very happy to complete it I learn a lot about design and security aspect thank you so much university of Colorado

Awesoome Really helped a lot in the understand about bitcoin and malfunction and also the

Very informative

Nice

Would be better if can be added examples of modern programming languages like node.js