Guy Podjarny

Guy Podjarny is a cofounder at, focusing on securing open source code. Guy was previously CTO at Akamai following their acquisition of his startup,, and worked on the first web app firewall & security code analyzer. Guy is a frequent conference speaker, the author of "Responsive & Fast", "High Performance Images" and the upcoming "Securing Open Source Code".

Follow Guy at @guypod.

Writing Secure JavaScript Code

Some of the very things that make JavaScript awesome can also expose it to security risks. This talk will look at these powerful features through an attacker’s eyes, show some real world vulnerabilities caused by them, and explain how you can protect yourself.

We'll exploit the vulnerabilities on a demo application to highlight their impact, and throughout provide concrete advice about how to keep your JS code secure.