機密 きみつ漏洩 ろうえうではありませんでした
kimi tsurōeudewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 機密漏洩

1. Was not a leak of confidential information.; Was not a confidentiality breach.

Past/Perfective
Negative
Polite
Formal Register