Fake CAPTCHA Scam Tricks Windows Users Into Installing Malware

A fake CAPTCHA scam is tricking Windows users into running PowerShell commands that install StealC malware and steal passwords, crypto wallets, and more.
Ars Technica

How to encrypt your PC’s disk without giving the keys to Microsoft

In early 2025, Forbes reports, investigators at the FBI served Microsoft with a warrant seeking the BitLocker encryption recovery keys for several laptops it believed held evidence of fraud in Guam’s ...
IEEE

A New Secure Encryption Algorithm Based on RC4 Cipher and 4D Hyperchaotic Sprott-S System

Abstract: The widespread exchange of data in various formulas such as text and images via multimedia has created a great need for encryption techniques development, that can protect sharing of ...
GitHub

A Python-based file encryption tool using the Serpent block cipher with parallel processing support for improved performance on multi-core systems.

Serpent is a symmetric key block cipher that was a finalist in the Advanced Encryption Standard (AES) competition. While Rijndael was ultimately selected as AES, Serpent is considered to have a more ...
IEEE

Fileless Attack Patterns Implemented in Python: Design, Encryption, and Detection Lessons

Abstract: This paper presents a controlled, pedagogical demonstration showing how high-level programming conveniences can be used to build compact, fileless malware for classroom instruction in ...