Adversaries may install an older version of the operating system of a network device to weaken security.
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: Adversaries may install an older version of the operating system of a network device to weaken security. ### Response: T1601.002.