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

MQTT-I: Achieving End-to-End Data Flow Integrity in MQTT

Abstract: MQTT has become the de facto standard in the IoT. Although standard MQTT lacks built-in security features, several proposals have been made to address this gap. Unfortunately, no existing ...
中国日报网

WIC releases report on global cross-border data flow policies

The report on Comparative Study on Global Cross-Border Data Flow Policies was released at the World Internet Conference (WIC) Asia-Pacific Summit in Hong Kong on April 14. [Photo/wicinternet.org] The ...
IEEE

A Traffic Flow Data Quality Repair Model Based on Spatiotemporal Correlation

Abstract: To address the data quality issues caused by environmental changes and other factors, this paper proposes a method for repairing missing traffic flow data from loop detectors, leveraging the ...