Devices such as routers and firewalls can be used to create boundaries between trusted and untrusted networks.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Devices such as routers and firewalls can be used to create boundaries between trusted and untrusted networks. ### Response: T1599.