The board hired a security firm after suspecting industrial espionage at the research office.

董事會懷疑研究辦公室遭到產業間諜活動後，聘請了一家保全公司。

Several employees signed new contracts banning espionage and the sharing of confidential client data.

數名員工簽署了新合約，禁止從事間諜活動及分享機密客戶資料。

The airline tightened checks on business travelers after reports of espionage involving stolen laptops.

在傳出涉及筆電失竊的間諜活動報導後，航空公司加強了對商務旅客的檢查。