He made the decision without my prior knowledge or consent.

他瞒着我做出了决定。

《新英汉大辞典》

This could not have happened without knowledge or consent of Mr. Putin.

如果普京不知道，或者不同意，这是不可能发生的。

youdao

Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to fraudulent Web sites without their knowledge or consent.

无诱饵钓鱼欺骗是一种诡秘的做法，其中恶意代码装入个人计算机或服务器，在不知不觉中或者未经用户同意将用户错误地引向骗人的网站。

youdao

In 2002, it was revealed that commission-hungry sales staff working for London Electricity drummed up new customers by forging their signatures and switching them without their knowledge or consent.

BBC: Person making a phone call

In the other case, the FTC charged Path, the operator of the eponymous social-networking app, with deceiving its users by collecting personal information from their mobile address books without their knowledge or consent.

FORBES: Don't Be Dumb About Smartphone Privacy

Its first stop would be the Justice Committee, where it could get mired in all sorts of procedural issues, including the admissibility of the main evidence against Mrs Arroyo: purported recordings of her telephone conversations, made without her knowledge or consent.

ECONOMIST: President Arroyo toughs it out