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What Is a Firewall and Do you Need One?

Adam Levin

A firewall is a network security device or program designed to prevent unauthorized and malicious internet traffic from entering a private network or device. Firewalls filter incoming network traffic at a computer’s entry points, or ports, where information is exchanged between the computer network and external devices.

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Next-Generation Firewalls: A comprehensive guide for network security modernization

CyberSecurity Insiders

The terms computer security, information security and cybersecurity were practically non-existent in the 1980s, but believe it or not, firewalls have existed in some form since that time. But what sets NGFWs apart from traditional firewalls? NGFWs offer several advantages over traditional firewalls.

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Simplify Network Security with Cisco Secure Firewall-as-a-service (FWaaS) on AWS

Cisco Security

With traditional firewalls, network security teams are charged with the heavy lifting of deploying new solutions. To become more agile, organizations are increasingly moving towards deploying SaaS-based security offerings hosted directly by vendors. What does this mean for Cisco Secure Firewall customers?

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What Is a Firewall Policy? Steps, Examples & Free Template

eSecurity Planet

A firewall policy is a set of rules and standards designed to control network traffic between an organization’s internal network and the internet. It aims to prevent unauthorized access, manage data movement, and guard against potential security threats.

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How to Perform a Firewall Audit in 11 Steps (+Free Checklist)

eSecurity Planet

A firewall audit is a procedure for reviewing and reconfiguring firewalls as needed so they still suit your organization’s security goals. Over time, business network needs, traffic patterns, and application access change. Table of Contents Toggle How Does a Firewall Audit Work?

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30 Minutes to a More Secure Network, on Campus and Off

Tech Republic Security

Maintaining strong network security has become more challenging than ever in today’s educational ecosystem. That’s because the adoption of advanced learning technologies, along with an increased reliance on cloud applications and services, have introduced new security threats that must be met head on.

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Top Web Application Firewall (WAF) Vendors

eSecurity Planet

Web application firewalls (WAFs) are a critical component for robust application security. The best ones find the right balance between performance, security effectiveness, and cost. Best Web Application Firewalls (WAFs). Amazon Web Services. Checkpoint. Cloudflare. Microsoft Azure. Signal Sciences.