Fiserv’s office in Beaverton, Oregon. The fintech giant is facing a lawsuit in federal court for allegedly shoddy security practice. The firm has denied the allegations. (Getty Images) Credit union’s lawsuit against Fiserv is a test for cybersecurity liability The credit union claims that Fiserv's online banking platform was so riddled with vulnerabilities it exposed its members to possible identity theft. Jul 15, 2020 By Sean Lyngaas