Starting this week, CSU students, faculty and staff may begin seeing warning messages during Duo Multi-Factor Authentication logins. These alerts are part of a university-wide effort to improve cybersecurity – and they’re a signal to update your device or browser now. Beginning Oct. 1, Duo started flagging devices and browsers that are no longer supported. These warnings will continue until Jan. 12, when Duo will begin blocking access from outdated systems entirely. Key dates and impacted systemsOn Jan. 12, Duo will deny access from:• Unsupported operating systems such as Windows 7, Windows 8 and outdated versions of macOS, iOS and Android.