Thank you for letting us know about your experience, @Jacqueline11.
You can always sign in to your QuickBooks Online (QBO) account to update your subscription. Yes, you no longer need to reach out to any Customer Support to perform this action. If you still receive this kind of call, I suggest reaching out to our Privacy and Security team to report this incident.
For more information about the best protection against security risks with your QuickBooks account, refer to this article: Identify suspicious activity, phishing scams, and potential fraud.
Check out this article: Manage billing, payment, and subscription info in QuickBooks Online for detailed guidance on how to update or change your payment method, view your subscription info, and changing your billing schedule.
Let me know if you still have questions. I'm always here to answer them for you. Have a great rest of the day!
