Security breaches more likely to target public or private organizations, rather than individual users. As usually businesses operate with networks rather than with standalone workstations, the possibility of their being entirely compromised increases in proportion to several factors. The number of users, users degree of computer security literacy, the nature of the defense policies in effect, the architecture of the security strategy at work and, last but not least, the type of organization and its activities. The reduced level of awareness, the lack of IT&C security education and the absence of security policies reinforcement, especially in the public sector and large corporations.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/3-reasons-why-computer-security-fails/