CompTIA SY0-701: What is the Most Common Threat Vector Used by Insiders for Data Exfiltration?

Insider threats often use removable devices like USB drives to steal sensitive data. Learn why removable media is the most common data exfiltration method.

Question

Which of the following threat vectors is most commonly utilized by insider threat actors attempting data exfiltration?

A. Unidentified removable devices
B. Default network device credentials
C. Spear phishing emails
D. Impersonation of business units through typosquatting

Answer

A. Unidentified removable devices

Explanation

Unidentified removable devices, such as USB drives, external hard drives, and flash memory cards, are the most commonly used threat vector by malicious insiders attempting to steal data. There are several reasons why insiders favor removable media for data exfiltration:

1. Convenience: Removable devices are small, portable, and can store large amounts of data, making them easy to smuggle out of secure areas.
2. Lack of Monitoring: Many organizations do not have adequate controls in place to monitor and restrict the use of removable devices on their networks. This oversight allows insiders to copy sensitive information without detection.
3. Circumventing Security Measures: Removable devices can often bypass firewall restrictions and other network security controls, as they create a direct connection between the device and the computer.
4. Plausible Deniability: Insiders can claim the use of personal removable devices for legitimate work purposes, making it difficult to prove malicious intent.

While the other options listed (default device credentials, spear phishing, and typosquatting) are all valid threat vectors, they are more commonly used by external attackers rather than insider threats focusing on data exfiltration. Removable devices remain the most popular and effective method for insiders to steal sensitive information.

CompTIA SY0-701 certification exam assessment practice question and answer (Q&A) dump including multiple choice questions (MCQ) and objective type questions, with detail explanation and reference available free, helpful to pass the CompTIA SY0-701 exam and earn CompTIA SY0-701 certification.