What is the purpose of a next-generation firewall (NGFW)?

The purpose of a next-generation firewall (NGFW) is primarily to detect and block sophisticated attacks. Unlike traditional firewalls that mainly focus on monitoring and controlling incoming and outgoing network traffic based on predetermined security rules, NGFWs integrate advanced capabilities such as deep packet inspection, intrusion prevention systems (IPS), and application awareness. This allows them to identify complex threats that could bypass less advanced security measures.

Next-generation firewalls can analyze traffic at a much deeper level, considering factors like the applications being used, user identity, and the context of the data. This capability enables them to defend against emerging threats that exploit sophisticated techniques, such as advanced persistent threats (APTs) and zero-day exploits. By blocking these sophisticated attacks, NGFWs play a crucial role in maintaining the security of networks in a landscape filled with evolving cyber threats.

While enhancing user privacy, blocking basic internet threats, and encrypting network data are important aspects of cybersecurity, they do not encapsulate the primary function of NGFWs as comprehensively as the detection and blocking of sophisticated attacks.