Introduction
No one at Texas Tech University or from anywhere else should ask for your password.
Explanation
1) Contact IT Help Central. They will start an issue in your name to better secure your account and help prevent further spam and phishing attempts.
2) Review the safe computing practices and tips for identifying scam or phishing emails to help prevent this situation in the future.
Outcome
You will be better protected against malware and phishing attacks. IT Help Central will assign an issue in your name to the system administrators to better secure your account and help prevent further spam and phishing attempts.