What if I have an issue with my Coinbase account?

Good afternoon, esteemed financial experts. As a devoted cryptocurrency enthusiast, I've encountered a slight hiccup with my Coinbase account. Could you kindly enlighten me on the proper course of action in such a scenario? Specifically, I'm wondering about the support options available, whether there's a designated hotline or email for account-related issues, and the expected turnaround time for resolution. Additionally, I'd appreciate any tips on how to preemptively safeguard my account from potential vulnerabilities or scams. Your guidance in this matter would be immensely valuable, and I look forward to hearing from you soon. Thank you in advance for your assistance.