February 2019 SEC Release The February 2019 SEC Release went live on 28 February 2019. The following modifications were implemented in this release: ModificationStatus SECMP0009 'Centralised Firmware Library'Implemented SECMP0057 'Users to notify SSC of a second or subsequent User System'Implemented SECMP0059 'Amendments to SEC Security Assessments for Non-Domestic Suppliers and Other Users'Implemented SECMP0061 'Enduring SEC Release Provisions'Implemented SECMP0064 'Alt HAN Co permission to seek access for Alt HAN Activities as a representative of energy suppliers'Implemented