The rootkit FiveSys has been able to gain access to targeted systems thanks to the inclusion of a legitimate-looking Microsoft Windows Hardware Quality Labs Testing (WHQL) driver certificate. The ...

Internet users have been put at risk by a blunder in which an impostor posing as a Microsoft employee obtained digital signatures certificates from Verisign. Armed with the certificates, the impostor ...

To fix error 0xc0000428, Windows cannot verify the digital signature for this file, disable the integrity checks and driver signature enforcement. If that doesn’t ...

Here is a guide that shows you how to sign a PDF document in Microsoft Edge. Signatures are basically used to get or provide consent or approval on documents like contracts, legal documents, ...