A network firewall is the essential first line of defense for any corporate network, acting as a digital gatekeeper between safe company data and dangerous outside threats. It watches all incoming and outgoing data, using strict rules to block hackers, stop data theft, and prevent malware from shutting down operations. Without a strong network firewall, an enterprise leaves its private systems wide open to costly cyberattacks and data breaches. What is a Network Firewall?
A network firewall is a security system built from hardware, software, or both. As explained in a helpful Lenovo Security Guide, its main job is to create a secure wall between your trusted internal office network and untrusted networks like the internet. It scans data packets to decide if they are safe to pass or if they should be blocked instantly. Why a Firewall is Critical for Enterprise Strategy
Firewalls and Network Security: How to Protect Your Business
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