As far as the Glass Washer Parts Letter goes, any number of economic and sociological theories can apply to this situation depends on other hypothetical details not mentioned. Rational Choice theory is a solid example, the intruder to Glass Washer Parts system could have thought that it was worth more to them to commit the intrusion than the possible consequences. Marxian Economic Theory could also apply, even though it is a company, it does not mean they are well off, perhaps they could not afford proper cybersecurity defenses, and the Intruder had the power to perform the attack. Determinism could also play a factor here; the Intruder could have grown up and lived in an environment that led to them performing cybercrime against the Glass Washer Parts company. Routine Activities theory could also play a role, if the Intruder observed the comings and goings of employee’s digital actions, or even the customers, gained access from their routine actions that may have led to a vulnerability.