Explanation
Virtual private networks (VPNs) are commonly used to allow access into trust zones. Via a VPN, access can be controlled and logged and only allowed through secure channels by authorized users. It also adds an additional layer of encryption and protection to communications.

Explanation
DLP solutions may protect against inadvertent disclosure. Randomization is a technique for obscuring data, not a risk to data. DLP tools will not protect against risks from natural disasters, or against impacts due to device failure.

Explanation/Reference:
Explanation:
The Sarbanes-Oxley (SOX) Act is not an act that pertains to privacy or IT security directly, but rather regulates accounting and financial practices used by organizations. It was passed to protect stakeholders and shareholders from improper practices and errors, and it sets forth rules for compliance, regulated and enforced by the Securities and Exchange Commission (SEC). The main influence on IT systems and operations is the requirements it sets for data retention, specifically in regard to what types of records must be preserved and for how long.