Cyber space is a complex and dynamic environment of interacons among people, soware and services supported by worldwide distribuon of Informaon and Communicaons Technology (ICT) devices and networks. The exponenal increase in the number of internet users in India clubbed with rapidly evolving technologies has brought in its own unique challenges. Indian Cyber Crime Coordinaon Centre (I4C) under Cyber & Informaon Security (CIS) Division of the Ministry of Home Affairs, has prepared this manual to disseminate Cyber Hygiene Best Pracces for the benefit of Industrial Bodies/General Public/Government Officials. This should not be considered as an exhausve list of precauons for Cyber Hygiene but baseline precauons that are to be taken. https://www.cybercrime.gov.in/pdf/Final_English_Manual_Basic.pdf