Final answer:
To address the issue of unencrypted confidential data being emailed, Data Loss Prevention (DLP) technology should be implemented to monitor and protect sensitive information. DLP systems can be set up to alert security teams when policy breaches occur, such as sending unencrypted data to personal email accounts.
Step-by-step explanation:
To detect the occurrence of customer service employees sending unencrypted confidential information to their personal email accounts and to send an automated alert to the security team, you should employ Data Loss Prevention (DLP) technologies. DLP systems are designed to detect potential data breach transmissions and prevent them by monitoring, detecting, and blocking sensitive data while in use (endpoint actions), in motion (network traffic), and at rest (data storage).
In this particular scenario, DLP tools can be configured to scan outgoing emails for sensitive information and trigger alerts or block the transmission if they detect any policy violations. This capability is essential for maintaining the confidentiality and integrity of sensitive information.
It's important to ensure that all staff members are trained on data handling policies and the use of encryption tools like Secure Sockets Layer (SSL) for protecting data in transit. However, given the options, DLP is the most relevant technology for this particular requirement.