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What is a denial of service attack (DoS) ?

A Denial-of-Service (DoS) attack is an attack meant to shut down a machine or network, making it inaccessible to its intended users.

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PA-400 Series

Palo Alto Networks PA-400 series ML-Powered NGFW (PA-460, PA-450, PA-440) brings Next Generation Firewall capabilities to distributed enterprise branch offices, retail locations, and midsize businesses.

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Press Release

Peirce College Graduates to Palo Alto Networks Next-Generation Firewall

Institution Replaces Outdated Firewalls and Gains Visibility and Control of Internet Applications and Threats

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Press Release

Lenox Hill Radiology Upgrades to Palo Alto Networks Next-Generation Firewall

Health Care Provider Gains Application Visibility and Control While Simplifying Security Infrastructure

509
In The News

Best of Interop Awards

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Press Release

Palo Alto Networks Expands Next-Generation Firewall Family for Mid-Size Enterprises and Remote Offices

Spartans Defend Networks From Viruses, Spyware, and High-Risk Applications, While Keeping Networks Open for World-Class Research

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Press Release

Global Transportation Logistics Provider Deploys Palo Alto Networks Next-Generation Firewall

Spartans Defend Networks From Viruses, Spyware, and High-Risk Applications, While Keeping Networks Open for World-Class Research

538
Press Release

Sinclair Community College Selects Palo Alto Networks

Spartans Defend Networks From Viruses, Spyware, and High-Risk Applications, While Keeping Networks Open for World-Class Research

508
In The News

Enabling Use Of New Technologies

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Press Release

San Jose State University Selects Palo Alto Networks

Spartans Defend Networks From Viruses, Spyware, and High-Risk Applications, While Keeping Networks Open for World-Class Research

591
Press Release

Palo Alto Networks Named Best of Interop Grand Prize Winner

Palo Alto Networks Named Best of Interop Grand Prize Winner

498
In The News

Deepening Application Control with Firewalls

Network security vendor Palo Alto Networks announced Tuesday that its firewalls can now control which groups of users have access to specific Facebook functionality -- reading, posting, chatting, sending messages, using apps, or other plug-ins -- as well as when.

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