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NSS Labs reports on enterprise firewall performance and vendor responses

Source Decision Insights Coverage Published November 25, 2025 Companies 3
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3 companies named across 6 categories, one of 16 articles referencing NSS Labs. Previous coverage: CyberRatings.org updates ratings for Fortinet and Palo Alto Networks enterprise firewalls (Nov 2025).

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Security Operations Leader
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Information Technology / Software & Services / IT Services / Data Processing & Outsourced Services

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The recent NSS Labs Enterprise Firewall Comparative Report evaluates seven widely used firewall products against real-world attack simulations and evasion tactics, offering enterprise security leaders valuable insights into each solution's effectiveness and reliability.

Research Overview

The report analyzed seven prevalent enterprise firewall offerings using a combination of realistic attack scenarios, demanding operational workloads, and adversarial evasion methods to assess their security performance and stability under pressure.

This methodology reflects typical enterprise conditions to provide practical data on how these products handle both common and sophisticated threats encountered in operational environments.

Key Findings

Findings indicate variability in product performance, with most firewalls successfully mitigating the majority of exploits and malware samples tested.

However, some products exhibited vulnerabilities when challenged with certain evasion techniques, including both contemporary and older methods, underscoring persistent gaps in protection capabilities.

Vendor Response and Accountability

The report highlights the importance of vendor reactions following disclosure of security weaknesses uncovered in independent evaluations.

Specifically, Palo Alto Networks and Fortinet responded promptly by acknowledging identified issues, issuing patches shortly after report release, and arranging for subsequent retesting of affected products, demonstrating an operational approach to vulnerability management.

Operational Impact

These responsiveness measures can affect Enterprise Risk Management (ERM) choices by indicating how quickly vendors address deficiencies that may otherwise lead to security breaches.

Such post-test actions can be as relevant as initial test scores for organizations considering firewall solutions for critical environments.

This Blog Signals brief summarizes the NSS Labs report and vendor reactions, presenting a data-based perspective on firewall effectiveness and industry accountability important for decision-makers in enterprise cybersecurity.

Blog post, originally published by CyberRatings.org at cyberratings.org.

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