He was accused of secretly copying confidential company documents.
Tips
usage
Tech-crime vocabulary, especially in Taiwan media. Common collocations: 侧录器 (cèlùqì, skimmer device), 信用卡侧录 (xìnyòngkǎ cèlù, credit-card skimming), 侧录键盘 (cèlù jiànpán, keylogger). 侧 (cè, side) gives the sense of recording 'on the side,' covertly.