infiltrate [infiltrated, infiltrating, infiltrates](to surreptitiously penetrate, enter or gain access) verb [UK: ˈɪn.fɪl.treɪt] [US: ˌɪn.ˈfɪl.ˌtret]Hackers find new ways of infiltrating private or public networks. = Los hackers encuentran nuevas formas de infiltrarse en redes privadas o públicas.