Sebastian Fernandez

@snfernandez

Security Researcher. ML enthusiast. Rust and F#. Currently at . Opinions are my own.

Argentina
Joined July 2009

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  1. Pinned Tweet

    Wrote a post about those cases when shared_ptr<T> doesn't use atomic operations for the reference count. Spoiler: it's only in GNU and I couldn't decide if it's secure or not.

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  2. Jan 26

    Not everyday you see a polyglot learn live. Follow the thread

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  3. Jan 16

    We just moved Project Verona into the open on Github to facilitate academic collaborations in language research.

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  4. Jan 9

    My team is once more hiring vulnerability researchers for our Redmond WA office. This is for low-level OS/platform security research work on Windows and Azure. More details on what we do at . Apply directly at or DM me if interested!

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  5. Jan 8

    Haybale version 0.2.0 is out! Now with support for: - LLVM 9 - LLVM extractvalue, insertvalue, invoke, resume, and landingpad instructions - C++ exceptions - Rust panics Plus, now analyze C++ and Rust code using demangled function names!

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  6. Jan 2

    Trying Rust async again after its syntax stabilization. Using , is my assumption that using it with reqwest or surf will spawn a new os thread and/or start a new runtime right? Is there a http client lib using async-std?

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  7. The only privacy policy that guarantees user data protection is the one where the company doesn't save the information in the first place

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  8. 10 Dec 2019

    Starting to read this and came across 's interesting framing of that I hadn't heard before: "Rust is, in all its perceived complexity, a language based on a strong core principle: keeping reasoning local. You don’t need much context to read a Rust function."

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  9. 10 Dec 2019

    Embargo ends - is public: It allows to induce faults into computations in SGX, breaking crypto and corrupting memory. Great collaboration with Kit Murdock, , , , Frank Piessens!!

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  10. 3 Dec 2019

    Today marks the release of the debugging and tracing library I have intermittently worked on over the years. The name is a tribute to the interface that has so generously provided us with local privilege escalation for several decades. May it be of use.

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  11. Indeed, great talk by touching a lot of concepts for making software safer at the programming language level

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  12. 26 Nov 2019

    "We need better programmers!" will only get you so far in writing better, more secure software—but as our tools evolve, we and our industry needs to evolve with them: & opened RustFest Barcelona with a story about Rust adoption…

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  13. 23 Nov 2019

    Just posted the transcript and the slides of my talk at on how the release team manages to ship a new compiler every six weeks! Check it out on my blog:

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  14. 19 Nov 2019

    I presented about Site Isolation in Google's event called 🙂 / "The world of Site Isolation and compromised renderer" Slide: Video:

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  15. 14 Nov 2019
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  16. 10 Nov 2019
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  17. Here are our keynote slides that we used with this morning. Super excited to continue attending the conference the rest of the weekend!

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  18. 9 Nov 2019

    First of Barcelona on Rust adoption, creating a d-bus crate and Rust in China. Speakers: & Brian & Zeeshan

    Ryan and Sebastian gave an insight on why adopting Rust is important because writing secure and correct code in C and C++ is hard. Rust allows to write performant system programs in a safe way. Zeeshan introduced his own d-bus crate written from scratch. Aimee and Brian spoke about the obstacles and challenges they face while working with Rust in China.
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  19. So, and putting _cost labels_ on the issues that fixes from the perspective of a huge organisation is great!

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  20. Adam Burch blogs about his experience using Rust in some Windows experiments. Also very excited to be speaking with at RustFest this Saturday!

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  21. 28 Oct 2019

    Heard the good news from that LLVM support for Control Flow Guard (CFG) just landed :) Thanks to all of the reviewers who provided feedback!

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