@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

COSIC researcher Alireza Aghabagherloo presented “Evaluating the Robustness of RL-based Autonomous Intersection Control to Data Integrity Attacks” at the IEEE International Conference on Pervasive Computing and Communications (#PerCom) 2026.

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

RE: @echo_pbreyer@digitalcourage.social

Our #PhotoDNA robustness study features in today’s discussion on large‑scale scanning technologies.
Science matters.
🔗 https://www.patrick-breyer.de/en/end-of-chat-control-paving-the-way-for-genuine-child-protection/

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

"Une étude flamande révèle des failles de sécurité dans un logiciel réputé de Microsoft" #photodna https://www.lalibre.be/dernieres-depeches/2026/03/19/une-etude-flamande-revele-des-failles-de-securite-dans-un-logiciel-repute-de-microsoft-Q4BRJJMRNZBZ5P7BCNJF5PXXV4/

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

"Une étude flamande révèle des failles de sécurité dans un logiciel réputé de Microsoft" #photodna https://www.dhnet.be/dernieres-depeches/2026/03/19/une-etude-flamande-revele-des-failles-de-securite-dans-un-logiciel-repute-de-microsoft-Q4BRJJMRNZBZ5P7BCNJF5PXXV4/

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

"Une étude belge démontre que les logiciels IA censés protéger les mineurs sur TikTok et Instagram ne fonctionnent pas" #photodna https://www.7sur7.be/tech/une-etude-belge-demontre-que-les-logiciels-ia-censes-proteger-les-mineurs-sur-tiktok-et-instagram-ne-fonctionnent-pas~a5cf3351/?referrer=https%3A%2F%2Fwww.google.com%2F

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

"Des chercheurs découvrent des failles dans un système de détection de contenus pédopornographiques" #photodna https://datanews.levif.be/actualite/securite/failles/des-chercheurs-decouvrent-des-failles-dans-un-systeme-de-detection-de-contenus-pedopornographiques/

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

"Une étude flamande révèle des failles de sécurité dans un logiciel réputé de Microsoft" #photodna https://www.rtbf.be/article/une-etude-flamande-revele-des-failles-de-securite-dans-un-logiciel-repute-de-microsoft-11697091

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

Our #photodna research in GVA:
"Dé tool die al 17 jaar gebruikt wordt om beelden van kindermisbruik op te sporen, blijkt lek: “Beelden kunnen gemanipuleerd worden voor onterechte beschuldigingen”"
https://www.gva.be/binnenland/de-tool-die-al-17-jaar-gebruikt-wordt-om-beelden-van-kindermisbruik-op-te-sporen-blijkt-lek-beelden-kunnen-gemanipuleerd-worden-voor-onterechte-beschuldigingen/143404742.html

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

Our #photodna research in Het Nieuwsblad:
"Dé tool die al 17 jaar gebruikt wordt om beelden van kindermisbruik op te sporen, blijkt lek: “Beelden kunnen gemanipuleerd worden voor onterechte beschuldigingen”"
https://www.nieuwsblad.be/binnenland/de-tool-die-al-17-jaar-gebruikt-wordt-om-beelden-van-kindermisbruik-op-te-sporen-blijkt-lek-beelden-kunnen-gemanipuleerd-worden-voor-onterechte-beschuldigingen/143019981.html

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 2d ago

"Onderzoekers KU Leuven ontdekken ernstige beveiligingslekken in #PhotoDNA van Microsoft" https://www.msn.com/nl-be/nieuws/other/onderzoekers-ku-leuven-ontdekken-ernstige-beveiligingslekken-in-photodna-van-microsoft/ar-AA1YZTcg

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

Belgisch onderzoek legt bom onder AI voor bestrijden kindermisbruik: lekken in software die TikTok en Instagram gebruiken [paywall]: https://www.hln.be/tech/belgisch-onderzoek-legt-bom-onder-ai-voor-bestrijden-kindermisbruik-lekken-in-software-die-tiktok-en-instagram-gebruiken~a5cf3351/?slug_rd=1
#photodna #microsoft #chatcontrol

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

COSIC finds structural flaws in Microsoft’s #PhotoDNA, enabling evasion, false matches and partial image reconstruction. This raises major concerns for large‑scale on‑device scanning.
Knack DataNews:
https://datanews.knack.be/nieuws/security/kwetsbaarheden/onderzoekers-vinden-kwetsbaarheden-in-systeem-dat-kinderporno-moet-opsporen/

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

This week we co-organized the NII Shonan Meeting in Kanagawa (Japan) on "Provable Security for Trustworthy Embedded Systems against Physical Attacks - From Theory to Practice".
https://shonan.nii.ac.jp/seminars/236/

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

Researchers in Leuven have found weaknesses in a Microsoft tool designed to detect illegal child‑abuse material. They warn that the shortcomings could lead to false accusations. #photodna #chatcontrol
https://www.hbvl.be/binnenland/leuvense-onderzoekers-kraken-tool-van-microsoft-om-kinderpornografie-op-te-sporen-risico-op-valse-beschuldigingen/143009785.html

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

Leuvense onderzoekers kraken tool van Microsoft om kinderpornografie op te sporen: “Risico op valse beschuldigingen”
https://www.hbvl.be/binnenland/leuvense-onderzoekers-kraken-tool-van-microsoft-om-kinderpornografie-op-te-sporen-risico-op-valse-beschuldigingen/143009785.html

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

[3/3] As debates on large‑scale client‑side scanning (#chatcontrol) continue in the EU, these results highlight the risks of fragile detection systems. COSIC calls for more robust, transparent, and targeted approaches to protect CSAM victims.
Full paper: https://eprint.iacr.org/2026/486

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

[2/3] The team shows that #PhotoDNA can leak partial visual information, be bypassed through minimal image changes, trigger false positives, and even produce identical hashes for different images. These attacks run in seconds on a standard laptop.
https://www.hbvl.be/binnenland/leuvense-onderzoekers-kraken-tool-van-microsoft-om-kinderpornografie-op-te-sporen-risico-op-valse-beschuldigingen/143009785.html [paywall]

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 3d ago

[1/3] New COSIC research reveals major security weaknesses in #Microsoft’s #PhotoDNA, the global standard for detecting Child Sexual Abuse Material (#CSAM). For the first time, the algorithm is fully described and its vulnerabilities exposed.
➡️ https://www.pseudodna.eu/

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CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

CosicBe

@CosicBe@mastodon.social

COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel. Computer Security and Industrial Cryptography group https://www. esat.kuleuven.be/cosic/

mastodon.social

@CosicBe@mastodon.social · 6d ago

Curious about the #WhisperPair vulnerabilities in Google’s Fast Pair protocol - impacting hundreds of millions of Bluetooth devices? Join the authors next week for a free COSIC seminar on March 26 to learn more.
https://www.esat.kuleuven.be/cosic/?post_type=tribe_events

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