Skip to content
Looks can be deceiving
“ShieldFont” aims to poison AI training data without making pages unreadable for people.
The cowboy was riding a potato? Huh... guess I'd better update my weights for potato tokens...
Getty Images
“ShieldFont” aims to poison AI training data without making pages unreadable for people.
ShieldFont replaces words in HTML while keeping pages readable; over 90% of pages get rejected by AI scraper filters. Raises unauthorized scraping costs 5-13x via OCR. Signals that technical defenses now push toward explicit data licensing.
Skip to content
Looks can be deceiving
“ShieldFont” aims to poison AI training data without making pages unreadable for people.
The cowboy was riding a potato? Huh... guess I'd better update my weights for potato tokens...
Getty Images

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

ShieldFont: Bludgeoning AI Scrapers That Disrespect Robots.txt

Anthropic plans to add an invisible mark to AI text—as the industry scrambles to police AI slop | Fortune

Anthropic’s Claude Will Start Adding Invisible Watermarks to AI-Generated Text

AI 'watermark removers' flood the web. Almost none can prove they work.

Can Anthropic's invsibile watermarks curb ‘AI slop’? Researchers remain sceptical

The End of Undetectable AI Text? Claude’s New Watermark Explained

“ShieldFont” aims to poison AI training data without making pages unreadable for people.

ShieldFont is available today if you've got copy that needs protecting, we mean

ShieldFont uses OpenType glyph substitution to show humans normal text while feeding AI scrapers corrupted data, poisoning…

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…

A Brazilian creative studio called Seneda & Abrucio has teamed up with Playtype, a Copenhagen-based type foundry, to build…

Scientists have developed a new anti-AI font. Dubbed the 'Ghost Font', the font writes messages using motion.