40 essential measures for a healthy network


You are in charge of your organisation's information systems security? More generally, you are responsible for the smooth operation of its IT systems? This guide is for you.

Numerous cyber-attacks, dealt with by ANSSI (France’s national cybersecurity and cyberdefence agency) could have been prevented if crucial technical measures had been applied by the organizations that were their targets.

Some of these measures may be referred to as “basic rules of cyber hygiene”. Failing to follow them will needlessly expose your organization to risks of major incidents, likely to jeopardise its operations or competitiveness, or even to disrupt its activity totally.

This guide sets out 40 essential IT measures to safeguard the security of your information systems and explains how to implement them. Although they are not exhaustive, these rules constitute the basic standard that must be followed in order to protect your organisation.

40 essential measures for a healthy network