‘Today, there are single security appliances that will solve all the network security needs of an organization.’

The statement is false. While there are advanced security appliances and solutions that can address many of an organization’s network security needs, no single security appliance can comprehensively solve all network security requirements. Network security is a complex and multifaceted issue that involves various aspects such as firewalls, intrusion detection and prevention systems, antivirus software, encryption, access control, and more. A layered approach to network security, using multiple tools and strategies, is typically necessary to provide adequate protection against a wide range of threats and vulnerabilities.