The STS Key Management Centre has been upgraded to    STS600-4-2 operations with legacy support up to 2024

 Hardware Secure Modules are now available with STS600-4-2 certification - Existing TSM500 and TSM250 secure modules can be firmware upgraded to STS600-4-2 level

 Key load files have been upgraded to STS600-4-2 - Legacy key load files are still supported for existing secure modules and vending keys up to 2024