This paper discusses cybersecurity, and the associated issues of IT governance, compliance and the law. Two sides to system vulnerability namely client and infrastructure, and associated threats are identified and analyzed. Issues of wireless network security are also explained and analyzed. The corporate governance of IT in relation to people, practices, privacy and security is explained. Furthermore, popular IT standards, frameworks and laws are identified and explained for global relevance, applications and adaptability. Basic types of IT laws governing transactions over the internet including intellectual property laws, IT contracts and privacy and their operations are explained and analyzed from a global perspective. In conclusion, it all matters that as organizations and individuals transact and use IT resources, they must ensure to do business lawfully.