The North Korean state-sponsored hacker group Kimsuki is using malicious QR codes in spearphishing campaigns that target U.S.
The problem happens for users who encrypt the email using the settings under the email File dialog (File > Encrypt), ...
Abstract: This paper presents GRTPHM (Generalized Rectangular Transform and Penta-Hyperchaotic Map), a novel multi-image encryption scheme that enhances security, efficiency, and versatility. The ...
Meta’s end-to-end encrypted messaging app is used by billions of people. Here’s how to make sure you’re one of the most ...
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