David Barroso (@lostinsecurity) 's Twitter Profile
David Barroso

@lostinsecurity

I'm Winston Wolfe. I solve problems. Yersinia author. Founder, CounterCraft countercraftsec.com @countercraftsec

ID: 19491279

linkhttp://www.lostinsecurity.com calendar_today25-01-2009 15:19:12

19,19K Tweet

6,6K Followers

3,3K Following

David Barroso (@lostinsecurity) 's Twitter Profile Photo

I can understand how every single vendor is trying to bring people to their booths at RSA, but seriously, puppies and goats? What’s next, a capybara coffee inside a booth?

John Scott-Railton (@jsrailton) 's Twitter Profile Photo

BREAKING: jury awards massive $167 million in punitive damages against spyware company NSO Group. Precedent-setting win against the notorious #Pegasus spyware maker. Congratulations to WhatsApp on sticking this case through since 2019. Some thoughts 1/

Tanay Jaipuria (@tanayj) 's Twitter Profile Photo

Cloudflare CEO Matthew Prince 🌥 on the end of the web: Google a decade ago: 2 pages scraped for ~1 click Google now: 6 pages scraped for 1 click OpenAI: 250 pages scraped for 1 click Anthropic: 6,000 pages scraped for 1 click

Mitchell Hashimoto (@mitchellh) 's Twitter Profile Photo

I share this story with founders of enterprise software companies, it's one of my favorite sales experiences and I think highlights some of the important non-technical aspects of sales: I had just concluded a sales meeting with Very Large Company. This company had just publicly

Mitchell Hashimoto (@mitchellh) 's Twitter Profile Photo

I'll share one more story, this one a bit pithy but same vein, also coincidentally happened the same year: I had just concluded a sales meeting with a Very Large Bank in London. Similarly, they had just announced a huge multi-year commitment to Azure. And similarly, I asked why.

Sean Heelan (@seanhn) 's Twitter Profile Photo

I wrote-up how I used o3 to find CVE-2025-37899, a remote zeroday vulnerability in the Linux kernel’s SMB implementation. Link to the blog post below 👇

alex fazio (@alxfazio) 's Twitter Profile Photo

tfw you find out that the start menu in windows 11 is literally a react native application that causes a spike in cpu usage every time you press the start button

tfw you find out that the start menu in windows 11 is literally a react native application that causes a spike in cpu usage every time you press the start button
Luca Beurer-Kellner (@lbeurerkellner) 's Twitter Profile Photo

😈 BEWARE: Claude 4 + GitHub MCP will leak your private GitHub repositories, no questions asked. We discovered a new attack on agents using GitHub’s official MCP server, which can be exploited by attackers to access your private repositories. creds to Marco Milanta (1/n) 👇

😈 BEWARE: Claude 4 + GitHub MCP will leak your private GitHub repositories, no questions asked.

We discovered a new attack on agents using GitHub’s official MCP server,  which can be exploited by attackers to access your private repositories.

creds to <a href="/marco_milanta/">Marco Milanta</a>

(1/n) 👇
Alex Vacca (@itsalexvacca) 's Twitter Profile Photo

Anthropic's CEO claims AI hallucinates less than humans. Bold statement. So I decided to test it by feeding the same FAKE theories to ChatGPT, Claude, and Gemini to see which one calls me out first. The results shocked me 🧵

Anthropic's CEO claims AI hallucinates less than humans.

Bold statement.

So I decided to test it by feeding the same FAKE theories to ChatGPT, Claude, and Gemini to see which one calls me out first.

The results shocked me 🧵
Nic Conley (@niconley) 's Twitter Profile Photo

this guy is getting paid $35,000 to set up an internal “ChatGPT” for a law firm. > locally hosted Llama for LLM > N8N to connect it all. we’re living in the AI gold rush.

this guy is getting paid $35,000 to set up an internal “ChatGPT” for a law firm.

&gt; locally hosted Llama for LLM
&gt; N8N to connect it all. 

we’re living in the AI gold rush.
Wayra (@wayra) 's Twitter Profile Photo

¡Nos vemos en South Summit en el panel 'European Tech Champions: Own the Future'! Liderado por Andres Saborido con: 🗣️ David Barroso (CounterCraft), Alejandro Martí (Mitiga Solutions) y Manuel Marina Breysse (IDOVEN). 📍 Arena Stage 📅 Miércoles 4 de junio 🕛 12:55 horas

¡Nos vemos en <a href="/south_summit/">South Summit</a> en el panel 'European Tech Champions: Own the Future'!
Liderado por <a href="/SaboridoAndres/">Andres Saborido</a> con:
🗣️ <a href="/lostinsecurity/">David Barroso</a> (<a href="/countercraftsec/">CounterCraft</a>), Alejandro Martí (<a href="/MitigaSolutions/">Mitiga Solutions</a>) y <a href="/Dr_ManuelMarina/">Manuel Marina Breysse</a> (<a href="/Idoven_ai/">IDOVEN</a>).
📍 Arena Stage
📅 Miércoles 4 de junio
🕛 12:55 horas
Ruben Hassid (@rubenhssd) 's Twitter Profile Photo

BREAKING: Apple just proved AI "reasoning" models like Claude, DeepSeek-R1, and o3-mini don't actually reason at all. They just memorize patterns really well. Here's what Apple discovered: (hint: we're not as close to AGI as the hype suggests)

BREAKING: Apple just proved AI "reasoning" models like Claude, DeepSeek-R1, and o3-mini don't actually reason at all.

They just memorize patterns really well.

Here's what Apple discovered:

(hint: we're not as close to AGI as the hype suggests)
Dave W Plummer (@davepl1968) 's Twitter Profile Photo

Ever wonder how Task Manager kills a process? Here's the actual code... It's 30 years old now! The only magic sauce is that I enable the SE_DEBUG_NAME privilege before attempting to call TerminateProcess, which makes it a fair bit more deadly...

Ever wonder how Task Manager kills a process?  Here's the actual code... It's 30 years old now!

The only magic sauce is that I enable the SE_DEBUG_NAME privilege before attempting to call TerminateProcess, which makes it a fair bit more deadly...