Bug Bounty Meetup vol. 5 of the German @Hacker0x01 club will be held Feb 14th to Feb 22nd (remote). 👨‍💻

20 seats, swag, remote space for networking, a bug bounty target and lots of collaboration.

RSVP now: https://h1.community/e/mbcd6v/

Recap of our
@Hacker0x01 Hacking Meetup in September 👀

Leaderboard (still in progress): leaderboards.hackerone.live/germany-meetup-sept-2025

👉 h1.community/e/mbkdm3/

#BugBounty #Meetup #HackerOne

Hacking Meetup vol. 3 of the German @Hacker0x01 Club - supported by EXNESS - was a blast! 💥

We x6 the overall bounties of our previous meetup and scored over 94,000$ overall bounties. 🤯

Additionally, H1 swag is on the way to all attendees and will hopefully arrive soon. 🤞

Our @Hacker0x01 meetup (vol.2) last month was a blast! 🔥

Almost 40 signups, ~25 active remote attendees and 12 attendees from all over Germany who travelled to #Bochum and hacked together in person on Grab's assets. 🤯

#BugBounty #Meetup

#BurpSuite #Bambda to detect Blind SSRF via OpenID Connect "request_uri" using out-of-bound detection (e.g. Collaborator).

The vulnerable URL is b64-encoded and included within the canary URL.

👉 https://gist.github.com/lauritzh/7b3ebfb5f541b6027152e5cee2f11b0d

📚 https://security.lauritz-holtmann.de/post/sso-security-ssrf/

Finally found time to automate the build process of my @[email protected] blog and its deployment using a @[email protected] workflow 💪

The setup was actually easier than expected, tbh 😅

https://security.lauritz-holtmann.de