The European Central Bank published a reply from President Christine Lagarde to a Member of the European Parliament on the ECB’s IT services, outlining how it protects information and disclosing which external firms provide key communication services. The ECB described a risk management framework with multiple layers of security controls for sensitive information, including encryption that is actively monitored and regularly tested. It also named its service providers: BT GmbH & Co. oHG for unified communication and collaboration services including email, Colt Technology Services GmbH for telecommunication lines and services, and Telekom Deutschland GmbH for mobile communication services including SIM cards and related services.