Uploaded November 2022 | Updated September 2026, 2 weeks ago

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In 2019, a trivial flaw existed on Flickr that allowed user impersonation. It's one of many that come from flaws in the use of cryptography: And it's not the developer's fault; Crypto is fragile. This talk describes the wide contexts crypto is used (and attacked) and all that can go wrong.

Jules Poon is a Hobbyist.
- Enthusiast interested in Mathematics, Cybersecurity, and Programming Languages
- Part of Social Engineering Experts (ctftime.org/team/151372), Singapore's top 1 cybersecurity competitive team and ranking 27th globally (as of Sept 2022), as one of two members who specialise in cryptography
- Helped organise local and international cybersecurity competitions (CTFSG 2022, SEETF 2022 (ctftime.org/event/1543/))
- Was a software developer at CSIT for a year developing program analysis tooling ig
- Errrrrr published an artwork about crypto??? (suzannezahr.com/fortheloveofmath/inverse-mt)
- Likes origami and cute stuff

Q&A at 32:16

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