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The payShield Trusted Management Device (TMD) from Thales is a compact, intuitive, self-contained secure cryptographic device (SCD) that enables you to securely manage symmetric keys. TMD generates keys in a manner that is compliant with relevant security standards. Unlike traditional approaches, this critical key management task can be carried out without any physical connection to a production HSM, providing greater operational flexibility without compromising security. A single TMD can form keys for multiple payment HSMs distributed across multiple data centers, enabling large payment processors, for example, to create and distribute thousands of symmetric keys in a timely and secure manner while eliminating data entry errors.