Uploaded February 2026 | Updated September 2026, 2 weeks ago

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Pwn2Own 2025 took place in Berlin, and I got the opportunity to follow Mozilla into the disclosure room and document how they respond to critical Firefox vulnerabilities.


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Part 1: youtube.com/watch?v=YQEq5s4SRxY
Part 2: youtube.com/watch?v=uXW_1hepfT4
Part 3: youtube.com/watch?v=NT1VCmJF3mU
Part 4: youtube.com/watch?v=x4CUAuwoZVk

(Spoilers) Firefox Security Response to Pwn2Own 2025: blog.mozilla.org/security/2025/05/17/firefox-security-response-to-pwn2own-2025

Sorry for the long delay of this video... Premiere Pro hated me in this project and 2025 was a shit year.

CHAPTERS
00:00 - Following a critical zero-day from demo to patch
00:52 - How Pwn2Own differs from a CTF
01:51 - The $50,000 USB stick
03:13 - Meeting Mozilla's security team
03:43 - Pwn2Own as a security fire drill
05:11 - Waiting to learn who targets Firefox
06:14 - Drawing the Pwn2Own schedule
07:10 - Manfred Paul's browser-hacking record
07:57 - What Mozilla expects before the event
09:57 - Mozilla's disclosure-room plan
10:54 - The first Firefox exploit succeeds
11:42 - Five-second demo, weeks of exploit work
12:18 - Waiting outside the disclosure room

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