Firewalls: From Stateful to Streamlinedįirst-generation firewalls leveraged what’s known as “stateful inspection,” which classifies traffic only in reference to common destination ports, such as Transport Control Protocol port 80 for HTTP. Next-generation firewalls (NGFWs) offer a real-time approach to threat detection and defense - and the new PA-400 series by Palo Alto Networks takes active protection a step further with the addition of integrated machine learning (ML) algorithms. Firewalls remain the workhorses of frontline enterprise security, but as attacks continue to evolve, traditional solutions are falling behind. To combat this changing landscape, organizations need tools capable of closing the gap between detection and action, in turn reducing potential risk to critical systems. As many observers have noted, cyberattacks have become more sophisticated, widespread and relentless. While enterprises can deploy systems and solutions to minimize known attacks and account for common threat vectors, the real test of effective security comes when malicious actors deploy new tactics, tools or technologies. Cybersecurity tactics are naturally reactive.
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