Webfraud & security | credit card resource center | chase. com. How do i report fraud on my credit card account? How do i protect myself. Websep 29, 2023 · how it works. Fraudsters pose as jpmorgan chase and other financial institutions’ fraud departments, and contact you from a spoofed phone number that may read as jpmorgan chase fraud on the caller or text id. Weblock your card immediately and then submit the completed fraud form to us. Locking your debit card blocks new purchases. Locking your card won't block recurring transactions. Webyou can help us investigate suspected fraud by forwarding suspicious email messages you receive to: You will receive an automated response to let you. Webglobal financial crimes compliance. Jpmorgan chase & co. Webif it says it's from j. p. Morgan or chase and you're suspicious, you can forward it to abuse@jpmorgan. com. We investigate these incidents and take steps to prevent.