DC4420

Join us tonight from around 6:30pm at the Greene Man. Details and directions at dc4420.org

DC4420 is tomorrow evening! We've got a talk from Tom on what happens when AI replaces junior roles. Still space for a second talk dc4420.org #defcon #london

Tonight, we have @vicharkness.bsky.social on Ukraine and @thebeanogamer.bsky.social on Wiimotes. From around 7pm at the Greene Man dc4420.org

We're back at the Greene Man tomorrow! Vic will open with her recent trip to Ukraine. Still room for a second talk dc4420.org

No August DC4420. Next one is September 29th. dc4420.org

No DC4420 this week as we've already had one this month. Follow the calendar to keep track of upcoming talks dc4420.org/feed.ics

This is tonight! Usual place and time, just a week later. Drinks and CVE included www.dc4420.org #defcon

Reminder our picnic is tomorrow! bsky.app/profile/dc44...

Tonight, Major Malfunction is in town to talk about using AI for glitching! Details and directions at dc4420.org #defcon #london

It's DC4420 tonight, and @emil-lerner.bsky.social will be speaking about how HFT exchanges can be exploited. Details and directions at dc4420.org as usual!

MacOS Red Teaming, and *effective* risk communication are what we have for you, March 31st. See dc4420.org. The Greene Man 383 Euston Road London NW1 3AU Nearest Tube: Great Portland Street. (Regents Park and Warren Street both short walks away; Euston Square and Euston a brisk 10 minutes.)

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

Same time, same place, Tuesday next week. See dc4420.org. The Greene Man 383 Euston Road London NW1 3AU Nearest Tube: Great Portland Street. (Regents Park and Warren Street both short walks away; Euston Square and Euston a brisk 10 minutes.)

It's DC4420 tonight, and Nick Dunn has offered to do a surprise talk! Details and directions at www.dc4420.org #defcon #london

Quick reminder, we're back Tuesday next week - January 27th: See dc4420.org. The Greene Man 383 Euston Road London NW1 3AU Nearest Tube: Great Portland Street. (Regents Park and Warren Street both short walks away; Euston Square and Euston a brisk 10 minutes.)

This is tonight, from around 7pm!

We don't run talks in December, but join us at The Harp (or nearby) from 7pm on Tuesday 16th dc4420.org

Join us tonight for The Great Recruitment Firewall, and to plan the Christmas meetup! Details and directions at dc4420.org

There's still an opening for a second speaker on Tuesday. Email talks@dc4420.org if you want to step up.

Just 3 days away, November 25th: dc4420.org The Great Recruitment Firewall - Mariya Hristova The Greene Man 383 Euston Road London NW1 3AU Nearest Tube: Great Portland Street. (Regents Park and Warren Street both short walks away; Euston Square and Euston a brisk 10 minutes.)

This is tomorrow! We've still got space for a second talk - drop us an email at talks@dc4420.org #defcon #london

Just 5 days away, October 28th: dc4420.org * Lodestar Forge - Jamie Pegg The Greene Man 383 Euston Road London NW1 3AU Nearest Tube: Great Portland Street. (Regents Park and Warren Street both short walks away; Euston Square and Euston a brisk 10 minutes.)

Tomorrow evening, we have talks on Copilot and chemical plants. Join us from 6:30pm at the Greene Man dc4420.org #defcon #london

Tonight at the Greene Man, we've got @dekushrub.bsky.social on the dark web and Skyper on @phrack.org. Join us from around 7pm onwards dc4420.org

As well as @dekushrub.bsky.social returning to talk about the dark web on Tuesday, Skyper is visiting for @phrack.org's 40th anniversary. More at dc4420.org #defcon #london

thehackernews.com/2025/08/stor...

Tomorrow (almost today) July 29th: dc4420.org * My hacking adventures as a software dev - Daniel Raines The Greene Man 383 Euston Road London NW1 3AU Nearest Tube: Great Portland Street. (Regents Park and Warren Street both short walks away; Euston Square and Euston a brisk 10 minutes.)

The @germnetwork.com team has been participating in the #e2eemessagingWG to figure out a way to have secure private group messaging that is compatible with ATProto. They've shipped a proof of concept of using your account to do this! You'll need to get on the waitlist as they slowly add people.

July's event is now posted. Presentation 1: Daniel Raines: My hacking adventures as a software dev Presentation 2: TBC 19:00 for 19:30, downstairs bar, The Greene Man, 383 Euston Road Closest stations: Great Portland Street, Warren Street, Regents Park, Euston. dc4420.org

We've got two talks! Jessica Wilson x.com/sweetserenit... will talk about automating forensics, and @n1ckdunn.bsky.social is back to show how new OWASP Top 10s could have stopped HAL 9000. Details and directions at dc4420.org

We're still looking for talks for tomorrow! Drop an email to talks@dc4420.org if you have a talk or suggestion

Next week. Are you coming...?

For anyone who was at DC4420 (@dc4420.bsky.social) on Tuesday, thanks for all the appreciation for my talk. Slides are available here: github.com/N1ckDunn/SOS...

ssh menu@tty.sdf.org Have fun. I am reminded of TOPS20 on Kingston Poly's (then new) DEC 2060, in around 1980 (because that was the year I had my first slow melt-down over study stress for my A-levels, and took refuge in the Poly's computer lab on my school account).

DC4420 is back 29 April from 19:00 Talks : 30+ Years of Infosec Failures OWASP Nettacker dc4420.org NEW Location The Greene Man 383 Euston Road London NW1 3AU Closest stations: Great Portland Street, Warren Street, Euston. #dc4420 #owasp #defcon #infosec @dc4420.bsky.social

@dc4420.bsky.social The resuscitation edition of DC4420 will be on Tuesday 29th April 2025 commencing from 19:00. New venue is: Greene Man (Euston),383 Euston Road,London,NW1 3AU (maps.app.goo.gl/mPahakU6ZFmQ...) Nearest Tube: Great Portland Street, Warren Street. · Share · Like · Enjoy