DC4420, DEFCON LONDON, hacking, meetings. Also at dc4420.bsky.social and linkedin.com/groups/1966782/
Joined May 2009
- Tweets 380
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- Followers 2,544
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5 Photos and videos
Weather's looking good for our picnic at Battersea Park on Saturday 20th June! Find us at the Peace Pagoda from around midday, and join the Signal group for updates on the day at signal.group/#CjQKIL_uBgyukM…
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Our next talk is on Tuesday 7th July (a week later than usual) when @R3n5k1 and @craigsblackie will be dropping some Dell CVEs dc4420.org/2026/07/07/
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For anyone who missed yesterday's link, the code and background from the talk is all at github.com/AdamLaurie/raiden…
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Join the Signal group for updates nearer the time signal.group/#CjQKIL_uBgyukM…
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It's DC4420 tonight, and @emil_lerner will be speaking about how HFT exchanges can be exploited. Details and directions at dc4420.org/ as usual!
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Tonight, we've got two talks from regulars. shell-e will be talking about airport security, and Mika has a tool for CyloneDX. Details and directions at dc4420.org/ #defcon #london
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If anyone's still on here, it's DC4420 tonight, and Nick Dunn has offered to do a surprise talk! Details and directions at dc4420.org/ #defcon #london
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This is tonight from around 7pm x.com/DC4420/status/19994594…
We don't run talks in December, but join us at The Harp (or nearby) from 7pm on Tuesday 16th for some Christmas cheer dc4420.org/
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We don't run talks in December, but join us at The Harp (or nearby) from 7pm on Tuesday 16th for some Christmas cheer dc4420.org/
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Join us tonight for The Great Recruitment Firewall, and to plan the Christmas meetup! Details and directions at dc4420.org/
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We've got one talk so far for the last DC4420 of the year dc4420.org/. Still space for one more if you have something to talk about #defcon #london
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DC4420 retweeted
29 Oct 2025
Was great to step in and help out, hope people enjoyed the talk.
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Tomorrow evening, we have talks on Copilot and chemical plants. Join us from 6:30pm at the Greene Man dc4420.org/ #defcon #london
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DC4420 retweeted
26 Aug 2025
It was great to do my first in person talk at @DC4420
Lots of engaging questions and positive feedback :)
Find out more about my investigations at hitmanscam.org
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DC4420 retweeted
…and he will bring a box of PHRACK magazines ❤️
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Tonight at the Greene Man, we've got @Deku_shrub on the dark web and Skyper on @phrack. Join us from around 7pm onwards dc4420.org/
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