Mitsuwa Corporation discovered a credit card skimmer on a POS device at its San Diego store on August 14, 2023. The skimmer may have collected credit card numbers and security codes. Mitsuwa contacted the San Diego Police Department, who removed the device. The investigation is ongoing, and the precise timeframe of the skimmer's presence is unknown. Mitsuwa has reminded store management of the need for vigilance in monitoring POS devices.