Complex sentence: His post was subsequently retitled as Permanent Secretary Intelligence, Security, and Resilience, Cabinet Office.In this role he acted as the Accounting Officer for the Single Intelligence Account, from which the three Security and Intelligence Agencies are funded.
Split into simpler sentences: His post was subsequently retitled as Permanent Secretary Intelligence, Security, and Resilience, Cabinet Office. According to the Cabinet Office explanation of his role, "" The Permanent Secretary Intelligence, Security, and Resilience is the Accounting Officer for the Single Intelligence Account, from which the three Security and Intelligence Agencies are funded.