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ShieldFont: Bludgeoning AI Scrapers That Disrespect Robots.txt

In the more innocent days of the World Wide Web you could simply put a robots.txt file in the root of your website that search engine indexing bots and similar would consult for the indexing wishes…

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arstechnica.com

cryptobriefing.com

hackaday.com

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hackaday.comStai leggendo1 g fa

ShieldFont: Bludgeoning AI Scrapers That Disrespect Robots.txt

ShieldFont uses font ligatures to corrupt HTML parsed by AI scrapers while keeping rendered content readable. The defense raises training costs for LLMs and reflects growing tension between content ownership and AI vendors competing for training data.

originale

cryptobriefing.com2 g fa

ShieldFont disrupts AI scrapers by serving them nonsense while humans read normally

Designers Isaque Seneda and Gabriel Abrucio launch ShieldFont, corrupting scraped HTML via 24.4% word substitution—90% automated rejection, 67% accuracy drop. Open-source defense enabling publishers to block unauthorized training data extraction.

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Timeline cronologica

giovedì 13 agosto 2026·arstechnica.com
The web’s newest weapon against AI scrapers is a font
“ShieldFont” aims to poison AI training data without making pages unreadable for people.
giovedì 13 agosto 2026·cryptobriefing.com
ShieldFont disrupts AI scrapers by serving them nonsense while humans read normally
ShieldFont uses OpenType glyph substitution to show humans normal text while feeding AI scrapers corrupted data, poisoning unauthorized training

ShieldFont: Bludgeoning AI Scrapers That Disrespect Robots.txt

ShieldFont disrupts AI scrapers by serving them nonsense while humans read normally

Timeline cronologica

The web’s newest weapon against AI scrapers is a font

ShieldFont disrupts AI scrapers by serving them nonsense while humans read normally

The web’s newest weapon against AI scrapers is a font

ShieldFont: Bludgeoning AI Scrapers That Disrespect Robots.txt