Gemstone Vineyards, a California-based winery, was notified by third-party provider Missing Link Networks, Inc. on May 27, 2015, of a security incident occurring between April 1 and April 30, 2015. The breach potentially exposed customer names, credit/debit card numbers, payment addresses, passwords, and dates of birth. The breach has been contained, and Missing Link has notified card companies and enhanced security. Gemstone Vineyards is notifying affected customers.