If you have lost your Juniper Bank Mastercard or it has been stolen, it is important to take immediate action to protect your financial information. The first step is to report the loss or theft directly to Juniper Bank, as they are equipped to assist with these situations. Typically, there will be a dedicated phone number provided on the Juniper Bank website for reporting lost or stolen cards. By contacting them promptly, you can ensure that your account is monitored and any unauthorized transactions can be addressed quickly. Additionally, you may want to review your recent transactions for any suspicious activity. It is always a good practice to regularly check your account statements as well. For the most accurate and up-to-date information, please visit the official Juniper Bank website.