Today’s SY0-701 CompTIA Security+ Pop Quiz: I’ll take the diet vulnerabilityA retailer suffers a data breach after an attacker gains access to the corporate network using a third-party HVAC vendor's credentials. Which of the following most directly contributed to the attackers' ability to access sensitive data? Insufficient background checks No strict HVAC maintenance schedule Lack of segmentation Outdated point-of-sale terminals Missing digital signatures High calorie count