OneSpan Inc. (NASDAQ: OSPN) is a publicly traded digital agreement security company headquartered in Boston, Massachusetts. Founded in 1991 as VASCO Data Security International and renamed OneSpan in May 2018, it says more than 60% of the world's 100 largest banks use its products, and its OneSpan Sign e-signature product publishes SOC 2 Type II and ISO/IEC 27001 certifications.