Cyber Essentials is an NCSC-backed self-assessment scheme ensuring that organisations are protected against a wide variety of the most common cyber-attacks
IT Service Management (ISO 20000): a global standard that describes the requirements for an information technology service management (ITSM) system.
Information Security (ISO 27001): an information security standard, providing a set of standardised requirements for an information security management system (ISMS).
International Standard for Assurance Engagements (ISAE 3402): an assurance standard for internal financial reporting controls. In SOC terms, an ISAE 3402 is a SOC1 (see below).
SSAE 16: a US standard (mirroring ISAE 3402) consisting of two different reports (see below). Note that from May 1 2017, SSAE 16 was superseded by SSAE 18.
A SOC 1 type 1 report: an independent snapshot of an organisation’s internal financial reporting controls on a given day.