Complicating the problem was the fact that some of the investment securities held by the SIVs were valued by a computer model developed by the securities traders and investment banks.
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: Complicating the problem was the fact that some of the investment securities held by the SIVs were valued by a computer model developed by the securities traders and investment banks. ### Response: .