Spring Mountain Vineyard notified customers of a data breach involving its third-party provider, Missing Link Networks Inc. The incident occurred between April 1 and April 30, 2015, and was discovered on May 27, 2015. The breach exposed customer names, credit/debit card numbers, billing addresses, passwords, and dates of birth. Missing Link has contained the compromise and is converting to a tokenization system. Spring Mountain Vineyard engaged Experian to provide one year of complimentary identity protection services to affected customers.