Telefonica.CTO Latch.SDK by: Telefonica.CTO .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. .NET Framework 4.0 This package targets .NET Framework 4.0. The package is compatible with this framework or higher. 134 total downloads last updated 7/19/2024 Latest version: 1.2.1 latch security protection 2factor authentication two factor telefonica Latch is a service that lets you add an extra level of security to your online services to help prevent any unauthorized use.