Computer Sciences

Researchers hide information in plain text

Computer scientists at Columbia Engineering have invented FontCode, a new way to embed hidden information in ordinary text by imperceptibly changing, or perturbing, the shapes of fonts in text. FontCode creates font perturbations, ...

Security

ATM makers alert to cash-spitting attacks

Too much trouble. Holding up a bank means you need to buy a ski mask, map out bank exits, zap the surveillance cameras, threaten panic-stricken customers of bad consequences if anyone dares move. And then there is someone ...

Business

Security scanners across Europe tied to China govt, military

At some of the world's most sensitive spots, authorities have installed security screening devices made by a single Chinese company with deep ties to China's military and the highest levels of the ruling Communist Party.

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