The various embodiments described herein include methods, devices, and systems for providing secure access to network resources. In one aspect, a method is performed at a trust broker system. The method includes: (1) receiving, from a client system, a request to access network applications and resources hosted by a server system; (2) identifying a domain providing the requested network applications and resources; (3) determining whether the client system is authorized to access the domain; (4) identifying a particular server containing the domain; (5) identifying a proxy server assigned to the particular server; and (6) in accordance with a determination that the client system is authorized to access the domain: (a) transmitting an identification value for the client system to the identified proxy server; and (b) after transmitting the identification value to the identified proxy server, transmitting, to the client system, contact information for connecting to the identified proxy server.