Category: printers

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Nasty Printer Driver Vulnerability

Posted on By infossl
cyberattack, hp, printers, privilege escalation, Security technology, Uncategorized, vulnerabilities

From SentinelLabs, a critical vulnerability in HP printer drivers: Researchers have released technical details on a high-severity privilege-escalation flaw in HP printer drivers (also used by Samsung and Xerox), which impacts hundreds of millions of Windows machines. If exploited, cyberattackers could bypass security products; install programs; view, change, encrypt or delete data; or create new … Read More “Nasty Printer Driver Vulnerability” »

New Research in Invisible Inks

Posted on By infossl
academicpapers, encryption, printers, Security technology, steganography

It’s a lot more chemistry than I understand: Invisible inks based on “smart” fluorescent materials have been shining brightly (if only you could see them) in the data-encryption/decryption arena lately…. But some of the materials are costly or difficult to prepare, and many of these inks remain somewhat visible when illuminated with ambient or ultraviolet … Read More “New Research in Invisible Inks” »

Hiding Information in Silver and Carbon Ink

Posted on By infossl
academicpapers, printers, Security technology, steganography

Interesting: “We used silver and carbon ink to print an image consisting of small rods that are about a millimeter long and a couple of hundred microns wide,” said Ajay Nahata from the University of Utah, leader of the research team. “We found that changing the fraction of silver and carbon in each rod changes … Read More “Hiding Information in Silver and Carbon Ink” »