Draft:Gynvael Coldwind
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Comment: In preparing this draft, I disclose that AI assistance was used as follows: This draft is a translation and adaptation of the existing Polish Wikipedia article (see the attribution in the edit summary). I used AI chatbot Google Gemini Pro to translate the text and convert the citations to English Wikipedia templates. I reviewed the final text before submitting. Bezpieczny Bezpiecznik (talk) 11:00, 4 October 2026 (UTC)
Gynvael Coldwind | |
|---|---|
| Born | Michał Składnikiewicz |
| Occupations | Computer security researcher, programmer |
| Known for | Dragon Sector, Paged Out! |
| Website | gynvael |
Gynvael Coldwind (real name Michał Składnikiewicz[1]) is a Polish programmer and white hat hacker specialising in computer security.[2] In 2013 he co-founded the capture the flag team Dragon Sector,[2] and the same year he and Mateusz Jurczyk received a Pwnie Award for research on race conditions in the Windows kernel.[3] He created the free technical magazine Paged Out![4] and wrote the book Zrozumieć programowanie (To Understand Programming).[5] From 2010 to 2023 he worked for Google in Zurich.[6][7]
Career
[edit]From 2010 he worked for Google in Zurich, among other roles as an information security engineer.[7] He announced his departure from Google in May 2023.[6]
In February 2013, together with Mateusz Jurczyk ("j00ru") and Adam Iwaniuk, he founded Dragon Sector, a team competing in capture the flag (CTF) competitions.[2] He was the team's captain[7] and remains a member.[8] Dragon Sector ranked first in the annual CTFtime ranking in 2014, 2018 and 2019.[9][8]
He chaired the programme committee of the Security PWNing Conference, organised by Instytut PWN, for its first four editions, until 2019.[10][11] He also serves on the programme committee of the CONFidence conference.[12][13]
Research
[edit]In 2013, together with Mateusz Jurczyk, he received a Pwnie Award in Las Vegas in the "Most Innovative Research" category[14][5][3] for the paper Identifying and Exploiting Windows Kernel Race Conditions via Memory Access Patterns. The paper described a method of detecting double fetch bugs (a type of race condition) in operating system kernels using CPU-level instrumentation.[15] Their tool, Bochspwn, found at least 37 vulnerabilities in the kernel and drivers of Microsoft Windows,[15] and they presented the results at Black Hat USA 2013.[16]
Paged Out!
[edit]In 2019 he launched Paged Out!, a free, experimental technical magazine covering programming, hacking, computer security and retro computing, in which each article fits on a single page. Its models included the magazines from which he had learned programming, such as Bajtek.[4] He leads the project.[17]
Writing
[edit]He has published articles in industry magazines, including Hakin9, under his real name,[1] and Programista, where he wrote the series "Diabeł tkwi w szczegółach" ("The devil is in the details") on topics at the intersection of programming and security.[18]
Selected publications
[edit]- Gynvael Coldwind (2015). Zrozumieć programowanie (in Polish) (1st ed.). Warsaw: Wydawnictwo Naukowe PWN. ISBN 978-83-01-18202-1.
- Mateusz Jurczyk; Gynvael Coldwind, eds. (2016). Praktyczna inżynieria wsteczna. Metody, techniki i narzędzia (in Polish). Warsaw: Wydawnictwo Naukowe PWN. ISBN 978-83-01-18951-8.
- Gynvael Coldwind (2023). "O etyce w hackingu". In Michał Sajdak (ed.). Wprowadzenie do bezpieczeństwa IT (in Polish). Vol. 1 (1st ed.). Kraków: Securitum. ISBN 978-83-968874-0-5.
- Jurczyk, Mateusz; Coldwind, Gynvael (2013), Identifying and Exploiting Windows Kernel Race Conditions via Memory Access Patterns
References
[edit]- 1 2 "Hakin9 1/2008" (in Polish). Archived from the original on 28 January 2020. Retrieved 25 September 2026.
- 1 2 3 Grzegorz Marczak (13 April 2016). "Kim jest haker, kto może zostać dobrym hakerem i w jakim wieku?". AntyWeb (in Polish). Retrieved 25 September 2026.
- 1 2 Dan Raywood (2 August 2013). "Pwnie awards see gongs for Barnaby Jack, Edward Snowden and Dual Core". SC Magazine UK. Archived from the original on 22 November 2019. Retrieved 25 September 2026.
- 1 2 Karl Bode (14 August 2019). "New Zine 'Paged Out!' Is a Return to the Golden Era Of Hacker Zines". Vice. Retrieved 25 September 2026.
- 1 2 "Gynvael Coldwind". Księgarnia Internetowa PWN (in Polish). Retrieved 25 September 2026.
- 1 2 Gynvael Coldwind (2 May 2023). "Friday was my last day at Google. I'm saddened to leave behind my team..." Twitter. Retrieved 25 September 2026.
- 1 2 3 "code::dive". 14 October 2018. Retrieved 25 September 2026 – via Wayback Machine.
- 1 2 "CTFtime.org / Dragon Sector". CTFtime. Retrieved 25 September 2026.
- ↑ "Dragon Sector i p4 podbijają roczny ranking CTFtime!" (in Polish). Retrieved 25 September 2026 – via Wayback Machine.
- ↑ "Security PWNing Conference 2019 | Instytut PWN" (in Polish). 16 May 2022. Retrieved 25 September 2026 – via Wayback Machine.
- ↑ "IV edycja Security Pwning Conference 2019". CyberDefence24 (in Polish). 4 October 2019. Retrieved 25 September 2026.
- ↑ "Confidence 2021". 23 July 2021. Retrieved 25 September 2026 – via Wayback Machine.
- ↑ "Program Committee". CONFidence. Retrieved 25 September 2026.
- ↑ "Gynvael Coldwind - Wywiady z polskimi programistami na Świecie" (in Polish). 22 February 2024. Retrieved 25 September 2026 – via Wayback Machine.
- 1 2 "Identifying and Exploiting Windows Kernel Race Conditions via Memory Access Patterns". The Pwnie Awards. Retrieved 25 September 2026.
- ↑ Kurt Baumgartner (2 August 2013). "Blackhat USA 2013 Day 2". Securelist. Kaspersky. Retrieved 25 September 2026.
- ↑ "About". Paged Out! Institute. Retrieved 25 September 2026.
- ↑ Gynvael Coldwind. "Diabeł tkwi w szczegółach: hosting plików, free PDF". gynvael.coldwind//vx.log (in Polish). Retrieved 3 October 2026.