With the evolution of cyberthreats that have plagued enterprises, the technologies used to prevent these threats have also evolved over the past few years. As cyberthreats become deadlier and better-disguised, the need for cybersecurity tools that can analyze threats and data at a deeper level emerged.
Companies have been long using firewalls among other cybersecurity solutions to secure their organizational networks and prevent cyberattacks. The first reported firewall was called the packet filter, as it used to monitor the data packets sent through networks. The second generation of the firewall performed offered the functionality of the first-generation and also examined the overall exchange of data packets from node to node. And today, the current-generation or next-generation firewall provides application filtering solutions in addition to deep packet inspection but is it enough?