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December 11-12 | Montreal, Canada
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Wednesday, December 11 • 2:20pm - 2:50pm
Securing the DOM from the Bottom Up - Mike Samuel & Krzysztof Kotowicz, Google LLC

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18 years have passed since Cross-Site Scripting (XSS) became the single most common security problem in web applications. Since then, numerous efforts have been proposed to detect, fix or mitigate it, but these piecemeal efforts have not combined to make it easy to produce XSS-free code.

This talk introduces Trusted Types (being implemented in browsers) and explains how Google’s security team has achieved a high-level of safety against XSS and related problems by integrating tools to make it easier for developers to produce secure software than vulnerable, and to bound the portion of a codebase that could contribute to a vulnerability.

We will show how this works in practice and end with advice on how to achieve the same results on widely-used, open-source stacks and new browser mechanisms that will make it much easier to achieve high-levels of security with good developer experience.

Speakers
avatar for Krzysztof Kotowicz

Krzysztof Kotowicz

Software Engineer, Google LLC
Krzysztof Kotowicz is a web security researcher specialising in discovery and exploitation of client-side vulnerabilities, and a software engineer in the Information Security Engineering team at Google. Speaker at various security conferences (ACM CCS 2017, Black Hat USA 2017, Owasp... Read More →
avatar for Mike Samuel

Mike Samuel

Software Engineer, Google LLC
Mike Samuel works on Google's technical infrastructure team improving libraries and programming languages to make it easier to produce secure & robust software. Mike has worked on JavaScript sandboxing, the Secure EcmaScript and other language committee proposals, making template... Read More →


Wednesday December 11, 2019 2:20pm - 2:50pm
510AB
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Attendees (15)