infiltrated

Definitions

To have entered or gained access to an organization, place, or group gradually or surreptitiously, especially in order to acquire secret information.

To have permeated or passed into a substance or structure through pores or small openings.

Examples

The undercover agent successfully infiltrated the criminal organization to gather intelligence.

Computer viruses have infiltrated the company's secure network, compromising sensitive data.

Protesters infiltrated the meeting to voice their concerns directly to the board members.