Fake job recruiters hide malware in developer coding challenges

A new variation of the fake recruiter campaign from North Korean threat actors is targeting JavaScript and Python developers with cryptocurrency-related tasks.
IEEE

An Efficient Distortion Cost Function Design for JPEG Image Steganography using Quaternion Representation

Abstract: Nowadays, the most content-adaptive image steganographic schemes are devoted to designing a distortion cost function, because the encoding method STCs that minimizes distortion can reach the ...
IEEE

DWT-based Image Steganography using CNN-Generated Heatmaps

Abstract: This paper presents a novel steganographic method that integrates a convolutional neural network (CNN) with discrete wavelet transform (DWT). By exploiting the high-frequency sub-bands in ...