Cyber Essentials is a UK Government backed scheme that will help you to protect your organisation, whatever its size, against a whole range of the most common cyber attacks.
It offers levels of certification, which can help you guard against the most common cyber threats and demonstrate your commitment to cyber security.
This document has been created by the National Cyber Security Centre. It specifies the requirements to be met under the 5 technical controls within Cyber Essentials.
It is available as part of BSI's Cybersecurity Management Solution Pack, and can also be accessed here: https://www.ncsc.gov.uk/cyberessentials/overview