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Louis Nyffenegger Profile
Louis Nyffenegger

@snyff

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Founder/CEO/Trainer/Researcher/CVE archeologist @PentesterLab. Security engineer. Bugs are my own, not of my employer...

Joined December 2011
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@snyff
Louis Nyffenegger
11 months
Do you want to get into code review or improve your code review skills? . Make sure you check out my upcoming live trainings: "Web Security Code Review Training"! .
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pentesterlab.gumroad.com
Course Overview:Join our dynamic, live online course designed for penetration testers, security engineers, appsec engineers, and developers who aim to master the techniques of security code review....
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@snyff
Louis Nyffenegger
24 minutes
RT @rekdt: Friendly reminder 98%+ Cyber certifications are an MLM scam. They don’t teach valuable skills and are worthless to anyone actual….
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@grok
Grok
6 days
What do you want to know?.
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@snyff
Louis Nyffenegger
4 days
RT @PentesterLab: We use military-grade encryption.
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@snyff
Louis Nyffenegger
5 days
RT @joernchen: Today I have a more serious topic than usual, please consider reposting for reach:. My wife and I are urgently looking for a….
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@snyff
Louis Nyffenegger
7 days
RT @steventseeley: As it turns out, @orange_8361 and I have more in common than I had thought! If you love old school PHP quirks and CTF tr….
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@snyff
Louis Nyffenegger
7 days
RT @PentesterLab: 𝐍𝐞𝐰 𝐏𝐞𝐧𝐭𝐞𝐬𝐭𝐞𝐫𝐋𝐚𝐛 𝐞𝐱𝐞𝐫𝐜𝐢𝐬𝐞: 𝐆𝐂𝐌 𝐓𝐚𝐠 𝐓𝐫𝐮𝐧𝐜𝐚𝐭𝐢𝐨𝐧 ⚡️. Break AES-GCM when apps don’t enforce full tag length: truncate the tag….
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pentesterlab.com
This challenge covers the exploitation of tag truncation on GCM
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@snyff
Louis Nyffenegger
8 days
I'm launching a brand of underwear for hackers. I'm calling it Script Skiddie.
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@snyff
Louis Nyffenegger
8 days
ChatGPT gone rogue.
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@snyff
Louis Nyffenegger
8 days
I don't know what I'm doing wrong, but getting AI to write code feels like the infinite monkey theorem in action.
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@snyff
Louis Nyffenegger
10 days
RT @PentesterLab: 💯 LEGIT!
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@snyff
Louis Nyffenegger
10 days
RT @HackingLZ: Weird when they could write a better one in rust with GPT5 and a few prompts
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@snyff
Louis Nyffenegger
10 days
RT @netspooky: Realizing it's been a little less than two years since tmp.0ut got asked to take over Phrack. On top of two issues of Phrack….
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@snyff
Louis Nyffenegger
11 days
RT @rekdt: Defcon 33
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@snyff
Louis Nyffenegger
13 days
RT @PentesterLab: PHP 8 should be nicknamed Raid (or Mortein)… it’s killed so many bugs.
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@snyff
Louis Nyffenegger
14 days
Maybe HTTP/1.1 can live, but the complexity and band-aid fixes should die.
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@snyff
Louis Nyffenegger
14 days
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@snyff
Louis Nyffenegger
15 days
𝐈 𝐣𝐮𝐬𝐭 𝐥𝐨𝐬𝐭 $2,000 𝐢𝐧 𝐎𝐩𝐞𝐧𝐀𝐈 𝐜𝐫𝐞𝐝𝐢𝐭𝐬. Why? Because OpenAI API credits expire exactly 12 months after purchase. No reminder. No rollover. No refund. Seriously @OpenAI.
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@snyff
Louis Nyffenegger
15 days
RT @PentesterLab: Articles worth reading discovered last week: . AI, FileJacking and analysing CVE-2025-54366!. 🤖 .
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print3m.github.io
FileJacking – Malware Initial Access technique with File System API. Backdoor files, read / write folders directly from the browser – no downloads.
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@snyff
Louis Nyffenegger
16 days
RT @netspooky: What's the best in the wild BSOD or kernel panic pic? Windows or Linux.
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@snyff
Louis Nyffenegger
18 days
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