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Sandra Escandor-O’Keefe

Sandra Escandor-O’Keefe

Senior Security Engineer, Fastly

As a Senior Security Engineer at Fastly, Sandra conducts security reviews for core infrastructure, researches security vulnerabilities, and analyzes the design of the network to make sure Fastly provides a secure edge for the biggest online platforms in the world. Additionally, partnering with the University of California, Davis, she developed and delivered the Coursera course for "Identifying Security Vulnerabilities." Before joining Fastly, Sandra was a software developer with experience in system-level software development. She has a B.Eng in Electrical and Biomedical Engineering from McMaster University.
Demystifying Fastly’s Defense Against HTTP Desynchronization AttacksBrian Haberman, Sandra Escandor-O’Keefe, +1
Learn how Fastly's robust architecture and strict protocol parsing defend against HTTP desynchronization attacks, ensuring your web applications are secure.
SecurityEngineering+2
An illustration of a browser window with a large magnifying glass over the left portion of the screen
Inside Fastly: a look at our vulnerability remediation processSandra Escandor-O’Keefe
In this post, we present a look at our vulnerability remediation and engineering team and how they were able to roll out a recent fix for a QUIC/H2O vulnerability in under two weeks.
EngineeringSecurity
Cranelift vetted for secure sandboxing in Compute@Edge | FastlyPat Hickey, Chris Fallin, +1
Alongside the Bytecode Alliance, Fastly’s WebAssembly team recently led a rigorous security assessment of Cranelift, an open-source, next-generation code generator for use in WebAssembly to provide sandbox security functionality.
Industry insightsSecurity+2
Deliberate practice in information securitySandra Escandor-O’Keefe
Deliberate practice is the act of performing a set of tasks that are just slightly more difficult than what you’re used to, so you can get better at a specific activity and move from a novice to an experienced practitioner. In this post, Security Engineer Sandra Escandor-O’Keefe walks us through the art of deliberate practice, offering tips for novices and mentors alike.
SecurityEngineering