IT warned staff not to open the malicious attachment in yesterday's suspicious email.

資訊部門提醒員工不要開啟昨天那封可疑郵件中的惡意附件。

The hotel manager responded calmly to a malicious review posted by a former employee.

飯店經理冷靜回應一名前員工張貼的惡意評論。

Our bank detected malicious activity on several customer accounts and froze them immediately.

我們銀行偵測到數個客戶帳戶有惡意活動，並立即將其凍結。