ꪜ Official Hacker @securinti (EN) | @intidc@mastodon.social | 📩 [email protected] | views are my own

Aalst, België
Joined August 2015
🔥PRIVACY SCOOP: How ANYONE can track your car using only your license plate: a thread! 🧵👇 #osint #privacy (1/X)
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Inti De Ceukelaire retweeted
This isn’t a “I’ll do it tomorrow” thing. It’s a “we are 6+ hours late to calling a SEV0” thing. Mitigate this **now**.
If you run PHP please: session.upload_progress.enabled = Off php_admin_flag session.upload_progress.enabled Off
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Inti De Ceukelaire retweeted
OpenAI had some of the friendliest and most capable triagers I’ve worked with but their bounty tables are insulting 😅
Replying to @S1r1u5_
We reported the bug to Discourse and OpenAI. OpenAI fixed the SSO issue roughly 14 hours after our initial submission. Discourse received our separate report Saturday, replied Sunday, and had a fix Monday. OpenAI awarded us $6,500.
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Inti De Ceukelaire retweeted
We’re disclosing HEIF Heist, a months-long investigation into libheif that allowed us to hack OpenAI, Slack, Meta, GitHub Ent, Rails, Next.js, ImageMagick, and many more. It was literally xkcd #234, one obscure image library beneath a huge number of apps. 🧵
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Inti De Ceukelaire retweeted
> builds technology that could literally destroy the world > max bounty: $10k ($0 for model safety issues) we're cooked 💀💀💀
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Whoever uses AI as their personal therapist better has solid security controls on their account. We're not ready for GPT-account hijacks.
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Inti De Ceukelaire retweeted
how i hacked 320+ companies that replaced their cs team with "smart" ai agents: 1. drafted a gdpr request to support@ 2. changed the FROM header from my e-mail to yours (spoofing) 3. put myself in CC 4. ai agent responds with YOUR data to BOTH of us 😈 more tricks: @intigriti
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Inti De Ceukelaire retweeted
Most support chatbots have evolved into fully autonomous agents that can help you with almost anything... And that comes with additional risk ☝️ Our latest article, based on @intidc's talk at Bug Bounty Village during DEF CON 34, breaks down the full attack surface in AI customer service agents, from tricking them into leaking sensitive data via email spoofing to invoking unauthorized tool calls on behalf of the victim. All without ever touching any automated scanner or proxy interceptor! 🤠 Read it now! 👇 intigriti.com/researchers/bl…
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i got $50K+ in bounties hacking ai 100% accuracy, 0 duplicates will be spilling all my secrets this friday at Bug Bounty Village, DEF CON , so everyone can do it 😎 can’t make it? lmk if i need to send you the recording once it’s out 🔴
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Inti De Ceukelaire retweeted
We are at Security BSides Las Vegas handing out our exclusive CTF-style challlenge coin! Come grab yours at the PortSwigger both and try solving it to win swag! #HackWithIntigriti #DEFCON #DC34
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Inti De Ceukelaire retweeted
🔥 Scored a lot of bug bounties using novel hacking techniques. Now, it’s time to release them to the public! #defcon #defcon34 #dc34
Don't miss the talk "Hacking Human-in-the-Loop systems" by Inti De Ceukelaire (@securinti) on Fri, Aug 7 at 4:00pm inside the Village. Read more at bugbountydefcon.com/agenda #BugBounty #DEFCON34
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Inti De Ceukelaire retweeted
Update, deze vond ik van een begeleidster van een andere school uit Buggenhout ook verstopt in de Facebook reviews. Zelfde chauffeur of niet, feit dat firma niet reageert… E-mail server van dit management zo snel mogelijk in beslag nemen a.u.b. 🙏
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Geen idee of dit reeds gepost is, maar ik vond deze Google review van 2 maand geleden over de busmaatschappij die betrokken was bij het vreselijke ongeval in #buggenhout. 🤯
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Update, deze vond ik van een begeleidster van een andere school uit Buggenhout ook verstopt in de Facebook reviews. Zelfde chauffeur of niet, feit dat firma niet reageert… E-mail server van dit management zo snel mogelijk in beslag nemen a.u.b. 🙏
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Inti De Ceukelaire retweeted
🔥 NEWS: I dismantled a large-scale phishing operation targeting European banks. Now, I need your help to bring them to justice. 👊 READ: inti.io/p/how-i-infiltrated-…
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Inti De Ceukelaire retweeted
Je zal maar een hardwerkende cybercrimineel zijn, om dan mensen zoals @intidc tegen te komen die het allemaal verpesten. inti.io/p/how-i-infiltrated-…
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Inti De Ceukelaire retweeted
Statement on AI & researcher IP from our CEO Stijn Jans
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An excellent example why you should never enter your credit details into kiosk screens! Hackers can replace the screen with a fake order app in seconds... or with an entertaining music clip for all customers to enjoy! 🕺🎶 #hacking
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