How ‘Reprompt’ Attack Let Hackers Steal Data From Microsoft Copilot

Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.
IEEE

Data-Driven Optimal Output Feedback Control of Unknown System Model via Adaptive Dynamic Programming

Abstract: This paper investigates the linear quadratic optimal output feedback control problem for an unknown linear continuous-time system. Combined with adaptive dynamic programming and optimal ...
IEEE

Robust Incremental Broad Learning System for Data Streams of Uncertain Scale

Abstract: Due to its marvelous performance and remarkable scalability, a broad learning system (BLS) has aroused a wide range of attention. However, its incremental learning suffers from low accuracy ...
Mashable

iPhone storage full? Check your System Data.

iPhone's "System Data" can take up a lot of space on your smartphone. Here's what we know. Credit: Future Publishing via Getty Images It's a dreaded notification that some iPhone users have come to ...