Bart Preneel

About 250 scientists from 31 countries have signed another open letter homes.esat.kuleuven.be/~preneel/Open_… criticizing the latest EU #chatcontrol draft patrick-breyer.de/wp-content/upl…. The letter confirms 2 earlier letters from July 2023 edri.org/wp-content/upl… and May 2024 nce.mpi-sp.org/index.php/s/eq…

Google fixes actively exploited sandbox escape zero day in Chrome - @billtoulas bleepingcomputer.com/news/security/…

Your privacy ≠ safety. We argue that restricting minors from social media under the EU’s DSA undermines young people’s rights—forcing age checks risks privacy, free expression, and access. Instead, platforms should build safer design and moderation eff.org/deeplinks/2025…

We launched Soundness Layer. Would’ve never happened w/o the help and belief of so many amazing people and teams like: @GDanezis, @kostascrypto, @bpreneel1, @SuiNetwork, @WalrusProtocol And my giga brain co-founder, @rockycrypt Lms why this changes the game for zkApps & Web3.👇

The absolute craziest thing about this law is hiding right here in the table. “Mobile operators” can perform age verification. Ie, the people who control your Internet connection are acknowledged to know how old you are, and could implement simple content filters for minors.

Age verification is rolling out in the UK today and predictably, it’s causing legitimate content to disappear — even from adults. wired.com/story/the-age-…

🚨 Google just launched OSS Rebuild—a powerful weapon against open-source supply chain attacks. It rebuilds & verifies packages independently, catching tampered code others miss. No extra work for maintainers. Full details ↓ thehackernews.com/2025/07/google…

UK To Ban Public Sector Orgs From Paying Ransomware Gangs ift.tt/Bpfcz2F

buff.ly/h9gspuQ A wristband that records and transcribes all of your conversations? I think it's best to assume that all of your conversations are recorded and transcribed from now on, and let me be the first to say that Jeff Bezos is a handsome genius.

🚨 Most “critical” CVEs aren’t even exploitable in your app. Security teams are drowning in false positives—because most scanners ignore whether the vulnerable function actually runs. Function-level runtime reachability changes everything. Here’s what it gets right ↓…

Microsoft Releases Emergency Patches for Actively Exploited SharePoint Zero-Days ift.tt/3KeqvTu

Researchers said Iran-linked hackers are using a new strain of DCHSpy malware to snoop on the regime's enemies therecord.media/malware-exfilt…

One good thing coming out of the current administration: the US is actually forcing the UK to back down on backdoors. arstechnica.com/tech-policy/20…

The link to the full blog post is: alecmuffett.com/article/113721 #AgeVerification #EndToEndEncryption #FileSharing #cloudflare

As Reddit introduces age verification on its UK site to comply with new rules under the Online Safety Act, “UK users can no longer use the internet without having to provide their papers, as it were," EFF’s David Greene told @BBCNews. bbc.com/news/articles/…

No strong studies show real-time crime centers actually cut crime, yet they “end up collecting massive amounts of data without proper audit or oversight" - a situation that's ripe for abuse, EFF’s @_blip_ told @SeattleTimes. seattletimes.com/seattle-news/l…

DJI drone security analysis: reverse engineering communication, firmware extraction, and fuzzing for vulnerabilities. 𖥂🎮 ၊၊||၊ 💥 More details on: LinkedIn: linkedin.com/posts/dlaskov_… Substack: it4sec.substack.com/p/dji-drone-se…

We updated our paper on Fiat-Shamir! We now take a closer look at the gap between what symmetric cryptography has focused on for over 10 years (indifferentiability) and what is actually needed for the soundness of ZKPs and SNARKs (something stronger!). eprint.iacr.org/2025/536

🚗 PQC in Automotive? Join us in Frankfurt on 7 Nov 2025 for PQC Migration & Supply Chain Readiness for the Automotive Industry - Securing boot, updates & authentication for a quantum future. Free + co-located with ESCAR 🔗 Details: esat.kuleuven.be/cosic/events/m… #PQC #Quantum #ESCAR

Parenting in a Digital World 🌐👨‍👩‍👧‍👦 How can we help kids thrive online? In 5 minutes, COSIC researcher José Ignacio Patiño Galdós shares 5 key tips for digital parenting: 🎧 Watch here: linkedin.com/posts/inakipat… #DigitalParenting #ParentingInTheDigitalAge #DigitalWellbeing #KULeuven

🚨 A single DDoS attack just peaked at 7.3 Tbps—in 45 seconds. Cloudflare says hyper-volumetric attacks are exploding, with ransom threats up 68%. Botnets like DemonBot are turning unsecured IoT into weapons. Here’s what’s happening → thehackernews.com/2025/07/hyper-…