the grugq's newsletter

Subscribe
Archives
November 17, 2025

November 17, 2025

November 17, 2025

https://djnn.sh/posts/anthropic-s-paper-smells-like-bullshit/


Some in cybersec were debating how much VPNs protect your privacy while on public WiFi hotspots. I wrote some technical notes.https://t.co/Nt6kIX0Iqj

— Robert Graham (@ErrataRob) November 16, 2025


Don't fall for the obvious propaganda.

I actually had fun and asked Claude (Anthropic's model) to read their own company's paper and determine if there was any evidence whatsoever that the attack was conducted by a "Chinese state-sponsored group" as they claim.

Claude's answer… https://t.co/adOEeiAIHX pic.twitter.com/2M68tlEW4c

— Arnaud Bertrand (@RnaudBertrand) November 15, 2025


CONFIRMED sabotage on Poland's strategic Warsaw-Lublin-Ukraine railway line. An explosive device destroyed approximately one meter of rail. Local residents reported hearing an explosion around 10 PM the previous evening. A second damage site was discovered further along the same… pic.twitter.com/VfKOieaBlu

— Lukasz Olejnik (@lukOlejnik) November 17, 2025


Security tools were costing more than our infrastructure. Here's how we optimized.

The bill breakdown:
- Snyk: $3,200/month
- Datadog Security: $4,800/month
- AWS GuardDuty: $1,200/month
- AWS Security Hub: $600/month
- Aqua Security: $2,400/month
- GitHub Advanced Security:…

— Branko (@brankopetric00) November 15, 2025


Real ones post their slides before their talk (or at least very shortly thereafter) ;)

Slides & materials for HWIO NL talk later this week:
“Reverse engineering Realtek RTL8761B* Bluetooth chips, to make better Bluetooth security tools & classes”https://t.co/6uvsLk2NMc

— Xeno Kovah (@XenoKovah) November 17, 2025


Example of: a meme can be both accurate and upsetting at the same time. pic.twitter.com/uUTGsdkIpj

— Moose (@LitMoose) November 17, 2025

Don't miss what's next. Subscribe to the grugq's newsletter:
Start the conversation:
X