Professor (full) of computer insecurity @s3eurecom. Can be seen sometimes procrastinating on Twitter. @aurelsec@infosec.exchange @aurelsec.bsky.social
In your computer already.
Joined August 2011
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"Screaming Channels" paper #CCS18/@BlackHatEvents is online s3.eurecom.fr/tools/screamin…
Electromagnetic side channels from a CPU can leak to a radio transmitter. CPU and radio transmitters are often integrated (think WiFi, BlueTooth)
We recover an AES key from 10 meters on a BT chip
Aurélien Francillon retweeted
Liberté de manifester. Quelles que soient les circonstances, chaque citoyen doit pouvoir exprimer ses convictions et revendications à l’abri de toute violence et de toute pression.
Aurélien Francillon retweeted
🎯 Vuln researcher? Share your experience and views!
This is an anonymous sociological survey on vulnerability researchers — all profiles, all nationalities, no judgment. Co-designed with daily practitioners.
~15 min · Tor accessible · Funded by public research
Aurélien Francillon retweeted
New exploit: “xor dword [0xf80c2094], 1<<22”
Unlocks CPU microcode, the platform security processor, system management mode, and every internal processor register, all at once, on 100 million AMD CPUs. As far as I can tell can’t be fixed.
github.com/xoreaxeaxeax/skit…
Aurélien Francillon retweeted
"Insecurity of Cellular Basebands" analyzes prior work on vulnerability discovery and attack surfaces; presenting a taxonomy of vulnerabilities, review state-of-the-art analysis techniques, including static analysis, over-the-air testing, and emulation.
usenix.org/system/files/woot…
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Your x86 CPU has a hidden mode that no OS can touch, no hypervisor can see, and no security tool can monitor. The security community spent 20 years asking: what could go wrong? Turns out: a lot.
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#ChatControl 1.0 and 2.0 Explained: There is not one proposed “Chat Control” law — there are two, and they are moving through the EU institutions in parallel. This page untangles the two.
fightchatcontrol.eu/chat-con…
ALT Screenshot of https://fightchatcontrol.eu/chat-control-overview
Aurélien Francillon retweeted
Dans la recherche disponible tout indique qu’une telle loi ouvre la porte à un grave risque : celui de l’augmentation du nombre de décès et de blessés dans le cadre des interventions de police du quotidien. Signer ici petitions.assemblee-national…
Aurélien Francillon retweeted
Huge congratulations to Prof. @paolopapotti for being awarded an @ERC_Research Advanced Grant 2025 and for securing @EURECOM’s 8th ERC Advanced Grant with GENESIS, a remarkable achievement! #DataScientist shorturl.at/4npcf
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Submit a poster to any offensive security topics you'd like to discuss with or show to the WOOT audience! usenix.org/conference/woot26…
🤖 Made with AI
Aurélien Francillon retweeted
For 19 years, GPS satellites have secretly broadcast a “numbers station” in their public signals. We decoded 12M messages: a 2011 flash where 31 of 32 satellites flipped in hours, “ghost” substrings repeating years apart, and a “TEXT” prefix spreading now. lsc-pagepro.mydigitalpublica…
Aurélien Francillon retweeted
We are starting to upload the videos of this year's talks.
And nothing better to start with than our two keynotes :
youtube.com/watch?v=fbicylnh… and youtube.com/watch?v=obdPo6lP… from @misc0110 and @aurelsec
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Our paper "CFIghter: Automated Control-Flow Integrity Enablement and Evaluation for Legacy C/C++ Systems" will be presented at the 2026 ACM Secure Development Conference (SecDev '26) in July.
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amd.com/en/resources/product… Xen advisory posted, should be a kernel fix here any minute now I assume
Aurélien Francillon retweeted
The RF world is insane.
Researchers recovered AES-128 keys from a Bluetooth chip by listening to its own antenna from 10 meters away.
Crypto-engine switching noise couples into the RF chain, rides the 2.4 GHz carrier, and leaks out as radio.
Aurélien Francillon retweeted
Vie privée ou #sécurité : jusqu’où faut-il aller ? un article par @aurelsec et ses co-auteurs aoc.media/analyse/2026/04/29… #chatcontrol #cryptographie #chiffrement
Aurélien Francillon retweeted
THCON 2026 Poster Reveal
It’s here !
👀 Full program on the website : thcon.party/program/
🎟️ Tickets are live : thcon.party/tickets/
See you there !
Aurélien Francillon retweeted
🇫🇷Ils ont obtenu un nouveau vote : RN, PS, LR, RE, MoDem, ils impose un nouveau vote sur #ChatControl demain à 11h. mepwatch.eu/10/vote.html?v=1…
Un appel demain peut encore faire changer d’avis des eurodéputés. Dernière chance d’appeler leur bureau :
👉 fightchatcontrol.eu
Aurélien Francillon retweeted
“Backdoors in your smartphones? Why? How? Not?” by @aurelsec
This talk examines what backdoors really mean from a systems and protocols perspective, and discusses concrete technical proposals
📅 May 5th & 6th, 2026 🔗 Tickets: thcon.party/tickets/
Details 👇🏻
