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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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Zero-Trust DNS

Schneier on Security

ZTDNS aims to solve this decades-old problem by integrating the Windows DNS engine with the Windows Filtering Platform—the core component of the Windows Firewall—directly into client devices. ” By default, the firewall will deny resolutions to all domains except those enumerated in allow lists. .” ”

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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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Top 12 Firewall Best Practices to Optimize Network Security

eSecurity Planet

Firewalls monitor and control incoming and outgoing traffic while also preventing unauthorized access. Examine the rationale behind present rules, considering previous security concerns and revisions. Overlapping rules may impair firewall efficiency or expose flaws that allow attackers to circumvent regulations.

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News alert: INE Security shares cyber hygiene guidance for small- and medium-sized businesses

The Last Watchdog

INE Security recommends implementing strong password policies that require the use of complex passwords and regular updates. Tip 3: Securing and Monitoring the Network Small businesses often overlook network security, leaving them vulnerable to attacks.

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GUEST ESSAY: A roadmap to achieve a better balance of network security and performance

The Last Watchdog

Why do so many businesses struggle to balance network security and user experience? Even before COVID, enterprises saw huge increases in people working outside the traditional corporate firewall. Security has always been a moving target, with new threat vectors emerging all the time. More dynamic environments.

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Automate your Cisco Secure Firewall deployment

Cisco Security

I nfrastructure as a Code (IaC) and Automation are now common requests from our customers deploying Cisco Secure Firewalls. This is accelerated with a rapid development of software applications in multi-cloud environments. To learn more: Virtual Firewalls for Public Cloud. We’d love to hear what you think.

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