Security discovered that an informer had leaked our pricing data to a rival firm.

保全部門發現有告密者把我們的定價資料洩漏給競爭對手。

The board suspects an informer inside the finance team sold the merger details for cash.

董事會懷疑財務團隊裡有告密者拿合併案細節換錢。

During the hiring process, we screen candidates carefully to avoid placing an informer in sensitive roles.

在招募過程中，我們會仔細篩選應徵者，避免讓告密者進入敏感職位。