I reverse engineered a phase change in GPT's training data... with the seahorse emoji 🌊🐴

My forensic investigation reveals why non-thinking models have started "thinking out loud" & what it reveals about how frontier labs train their latest modelshttps://t.co/FrG6vsHphk🧵 pic.twitter.com/srsQ0svxLv

— Pratyush Maini (@pratyushmaini) December 19, 2025

A leak reveals Google is working on TorchTPU, a secret project to make PyTorch run natively on Google TPUs breaking NVIDIA’s legendary CUDA lock-in. https://t.co/JKs9fDJMnx pic.twitter.com/QQ790gPFrV

— Wes Roth (@WesRothMoney) December 19, 2025

Leaving the Intelligence Community: A Line Analyst’s Perspective on Personal Responsibility https://t.co/w4obgRsdpY
But what happens when intelligence officers no longer trust our own institutions’ decision-makers? What should we, as individuals... do when the administration… pic.twitter.com/ncfChxC7fR

— TheSteadyState (@steadystate2025) December 20, 2025

New BSides Canberra 2025 talk by ByungHyun Kang is now live:
“Breaking COMposure: Journey to Hunting Windows COM Vulnerabilities.”
Watch here: https://t.co/QSfVJdF8p2

— BSidesCanberra (@BSidesCbr) December 20, 2025

This is largely being ignored but it's easily one of the biggest China news of the year.

What China is doing with Hainan - a huge island (50 times the size of Singapore!) - is pretty extraordinary: they're basically making it into a completely different jurisdiction from the… https://t.co/xrfySBimRT

— Arnaud Bertrand (@RnaudBertrand) December 19, 2025

This paper from Stanford and Harvard explains why most “agentic AI” systems feel impressive in demos and then completely fall apart in real use.

The core argument is simple and uncomfortable: agents don’t fail because they lack intelligence. They fail because they don’t adapt.… pic.twitter.com/6Hi0lNPzas

— Alex Prompter (@alex_prompter) December 20, 2025

this is an excellent read btw

tl;dr malware is cool and badasshttps://t.co/bxJhrWHfUl

— J⩜⃝mie Williams (@jamieantisocial) December 19, 2025

Astounding talk on Windows syscalls by the goat @eversinc33 https://t.co/Gb27gLjNAM

— hegx (@hegx86) December 19, 2025

the most effective UAC bypass you'll likely see is unfortunately just waiting for the user to do {𝙨𝙤𝙢𝙚𝙩𝙝𝙞𝙣𝙜} then throwing your elevation prompt over their {𝙨𝙤𝙢𝙚𝙩𝙝𝙞𝙣𝙜} https://t.co/iWZF9nFWTR pic.twitter.com/8gy4DaHol2

— J⩜⃝mie Williams (@jamieantisocial) December 20, 2025

Russian spy sent 50 drunk texts to an FBI agent, landing her behind bars.

🧵 1/5 ⬇️ pic.twitter.com/QGTPwGZzJE

— UNITED24 Media (@United24media) December 19, 2025

Love this 🤣 “WAGINT” (Wives and Girlfriends Intelligence) — How UK investigators gathered intelligence on EvilCorp https://t.co/JvXHqEu6dW

— Will (@BushidoToken) December 20, 2025

From a political economy perspective, I think this is a bit misleading.

Oil is overemphasized. The economy was not in crisis in the 1950s.

The Stalin-era extensive growth model worked for its era, if very inefficiently (and brutally). It was efficacious enough for many… https://t.co/kpMDifM66X pic.twitter.com/angq2PBXEs

— Jonathon P Sine (@JonathonPSine) December 20, 2025

As I promised, here is my writeup.
RCE via Insecure JS Sandbox Bypasshttps://t.co/owkkujbV76 pic.twitter.com/AyBB2eCdLs

— Bipin Jitiya (@win3zz) December 21, 2025

#SpyNews - week 51 (December 14-21):
A summary of 77 espionage-related stories from week 51 coming from 🇬🇧🇷🇺🇺🇸🇧🇫🇳🇬🇮🇳🇵🇰🇺🇦🇧🇪🇫🇷🇻🇦🇮🇹🇦🇺🇮🇱🇮🇷🇻🇪🇸🇪🇩🇪🇰🇼🇵🇱🇲🇱🇹🇷🇬🇷🇧🇾🇨🇳🇷🇴🇱🇻🇧🇬🇨🇦🇷🇸🇸🇩🇱🇹🇪🇪🇲🇩🇸🇴🇩🇰🇧🇷🇯🇵🇦🇫🇮🇪 https://t.co/0Z3j2rohJD#OSINT #HUMINT #SIGINT #espionage #spy

— Spy Collection (@SpyCollection1) December 21, 2025

The coming week is one of the highest-risk periods this year for Europe, particularly for certain countries. High potential for damaging propaganda, disinformation. Potential for cognitive operations. Monday, Tuesday, Wednesday may be the peak risk days.

Christmas period are… pic.twitter.com/QoVxCb6fMh

— Lukasz Olejnik (@lukOlejnik) December 21, 2025