AT&T Dynamic Defense®

Add built-in security for your eligible AT&T Business internet

Get an intelligent layer of network security to help keep network data protected and stay ahead of evolving threats. You’ll get:

Proactive threat detection and blocking
Security without compromising bandwidth
Protection across users, data, and cloud applications

AT&T Dynamic Defense is available with AT&T Business Fiber, AT&T Dedicated Internet and AT&T Switched Ethernet on Demand with Internet Offload. Exclusions may apply.

Call 844.844.0742 Request info

Small Business Week

Built for small business. Backed by AT&T.

With AT&T Dynamic Defense®, your business can take on cyberthreats with greater confidence.

AT&T Dynamic Defense is available with AT&T Business Fiber, AT&T Dedicated Internet and AT&T Switched Ethernet on Demand with Internet Offload. Exclusions may apply.

Call 844.841.0742 Get the free guide

Block threats by adding embedded security to your fiber plan

Enhance your AT&T Business Fiber® or AT&T Dedicated Internet plan with AT&T Dynamic Defense. Exclusions apply.

AT&T Business Fiber

Our most versatile business internet connection for when you need strong speed and reliability, fixed to your budget.

Check availability

AT&T Dedicated Internet

When there’s no margin for downtime, get a dedicated internet connection that supports point-of-sale systems, large file transfers, and cloud-based apps with ultra-low latency.

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Choose the right level of protection for your business

AT&T Dynamic Defense is available when you add to your eligible AT&T Business internet. Exclusions may apply.

AT&T Dynamic Defense Standard

$ 15 /mo. plus taxes & fees

Security that runs itself.

Blocks malicious websites and dangerous IP addresses before threats reach your devices

Built into your AT&T Business Fiber connection, not bolted on top

Helps protect every device on your network, including personal phones and tablets

On 24/7, updated automatically through AT&T's threat intelligence

Domain Name System (DNS) protection

Two months free

AT&T Dynamic Defense Advanced

$ 65 /mo. plus taxes & fees

Everything in Standard, plus:

Customize protection rules, filter web activity, and block threats that get past basic defenses

Stateful firewall blocks threats that evade standard filtering

Geo-filtering and web content controls to restrict high-risk traffic

Configurable to your business without dedicated IT expertise

Real-time threat visibility through a single dashboard

Two months on us¹—with AT&T Business Fiber

Two months free

AT&T Dynamic Defense Premium

$ 95 /mo. plus taxes & fees

Everything in Advanced, plus:

Enterprise-grade protection for small businesses

Advanced antivirus and anti-spyware protection across your network

Application-level policies to control what software can communicate

Protection against zero-day threats and evolving attack methods

Built for businesses without a full security team but with real security risk

Two months on us²—with AT&T Business Fiber

1. After 2 months, Dynamic Defense will auto-renew at the prevailing monthly rate (currently $65/mo.) unless you call to cancel. See offer details
2. After 2 months, Dynamic Defense will auto-renew at the prevailing monthly rate (currently $95/mo.) unless you call to cancel. See offer details

AT&T Dynamic Defense Standard

$ 0 /mo.

Network-level threat detection—no hardware required.

AT&T Dynamic Defense Shield blocks malicious IPs with real-time blocklist enforcement

DNS protection intercepts all DNS queries and blocks requests to known malicious domains and threat signatures

Extends AT&T's global network security infrastructure to your environment

24/7 monitoring built into your connectivity

Two months free

AT&T Dynamic Defense Advanced

$ 175 /mo. plus taxes & fees

Up to 1GIG.
Other speeds & pricing available.

NextGen firewall effectiveness without infrastructure overhead.

NextGen stateful firewall stops threats before they reach your internal network

Customizable geo-filtering, web filtering, and application-level policy controls

Real-time threat visibility and unified security dashboard

Protects performance by stopping threats closer to origin, not at the endpoint

Two months on us—with AT&T Dedicated Internet.

Two months free

AT&T Dynamic Defense Premium

$ 275 /mo. plus taxes & fees

Up to 1GIG.
Other speeds & pricing available.

Advanced threat prevention at network scale.

Advanced anti-malware, anti-spyware, and vulnerability protection

Application-aware policies based on your known traffic and software stack

Zero-day and evolving threat protection updated through AT&T threat intelligence

Integrates with existing security infrastructure without rearchitecting your environment

Two months on us—with AT&T Dedicated Internet.

After 2 months, AT&T Dynamic Defense will auto-renew at the prevailing monthly rate (currently $95/mo.) unless you call to cancel. See offer details

Talk to an expert Download product brief

Try AT&T Dynamic Defense on us for two months

Compare plans and get the level of security with the features that's right for your business.

AT&T Dynamic Defense

Standard

Advanced

Premium

AT&T Threat intelligence

AT&T Dynamic Defense shield
Automatically blocks known malicious IP addresses before they reach your network.

Domain Name System (DNS) Protection
Blocks dangerous websites and known threat domains the moment a device tries to reach them.

Enhanced AT&T Dynamic Defense shield
Expanded blocklist for broader coverage against emerging threats.

NextGen firewall

Stateful Firewall
Monitors all network traffic and stops suspicious activity based on behavior patterns.

Geo IP filtering
Blocks traffic from high-risk geographic locations.

Web filtering
Blocks sites by category so employees can't reach malicious or high-risk content.

Basic threat prevention
Detects, alerts, and acts against active intrusion attempts.

Reporting & logging
Ready-made reports showing what's been blocked and how your network is performing.

Application control
Set rules for which apps can run and communicate on your network.

Version control
Saves policy snapshots so you can audit changes or roll back if needed.

Premium threat protection

Virus protection
Blocks viruses, worms, and trojans across your network.

Spyware protection
Stops unauthorized access to sensitive business data.

Vulnerability protection
 Closes known system exploits before attackers can use them.

Talk to an expert

AT&T Dynamic Defense

Standard

Advanced

Premium

AT&T Threat intelligence

AT&T Dynamic Defense shield
Dynamic IP blocklist enforcement at the network edge with real-time threat intelligence.

Domain Name System (DNS) Protection
Intercepts all DNS queries and blocks resolution of known malicious domains and threat signatures.

Enhanced AT&T Dynamic Defense shield
Expanded blocklist with broader exception handling for complex environments.

NextGen firewall

Stateful firewall
Full traffic state inspection to detect and defend against behavioral threat patterns and anomalous flows.

Geo IP filtering
Policy-based blocking of traffic originating from specified geographic regions.

Web filtering
URL and web category-based blocking to enforce acceptable use and reduce attack surface.

Basic threat prevention
Active detection, alerting, and response against intrusion attempts.

Reporting & logging
Predefined security and network health reports with visibility into threat activity and policy enforcement.

Application control
Fine-grained policy creation based on application identity for granular traffic control.

Version control
Multi-version policy configuration saves for audit readiness and change management.

Premium threat protection

Virus protection
Inline protection against viruses, worms, and trojans at the network layer.

Spyware protection
Prevents unauthorized exfiltration and access to sensitive data.

Vulnerability protection
 Blocks known exploit attempts targeting system flaws before they execute.

Talk to an expert

AT&T Dynamic Defense

Cybersecurity that’s built into your connectivity

Help prevent threats from reaching your firewall in real time with network-embedded protection.

View infographic

Shaping the future of network defense

Explore analyst insights on how AT&T Dynamic Defense uses AI/ML, global threat intelligence, and network-embedded protection.

Frost & Sullivan report

Recognized for network security innovation

Discover how AT&T Dynamic Defense and the future of cybersecurity begins in the network.

Read the report

Gartner® report

Reshaping cybersecurity

Learn how AT&T Dynamic Defense strengthens your network using global threat intelligence and multiple security layers.

Read the report

Defeating a cyberattack

228 million threats blocked in 24 hours

See how AT&T Dynamic Defense and upstream protection helped restore operations in minutes for a major hospital in Ohio.

Read the case study

Always-on security that scales with you

Protection that runs itself

Focus on your business, not your firewall. AT&T Dynamic Defense uses AI/ML to block threats in real-time without any extra hardware or the need for an IT team.

Security that works how you work

Filter threats automatically or customize policies as your business evolves. AT&T Dynamic Defense fits your workflow—whether you want hands-off protection or more control.

Intelligent protection with enterprise visibility

Get upstream threat blocking and deeper insights—all managed through a single portal. AT&T Dynamic Defense adds power without increasing complexity.

AT&T cybersecurity services

Proactive protection. Seamless integration.

Protect operations with carrier-grade network intelligence to improve visibility, reduce risk, and help maintain performance.

Learn more

We've got the industry talking

Product of the Year

Best User Experience

Network Security

Advanced Cloud Firewall Leader

Cybersecurity Excellence

Top INFOSEC Innovator

Network Security Solution of the Year

Internet Connectivity with Embedded Security

Learn more about AT&T Dynamic Defense

See how to sign in to your account and add AT&T Dynamic Defense

Review the SecureIQLab validation of AT&T Dynamic Defense

Read the report

Proactive cyberthreat mitigation with Omnicon

Read the AT&T Blog

How the Dallas Cowboys keep its fans and operations secure

Read the AT&T Blog

Frequently asked questions

Expand all

What is network edge security?

What is AT&T Dynamic Defense?

AT&T Dynamic Defense is a comprehensive network-native cybersecurity solution with business-grade threat protection built in. It works in the background of your AT&T Business internet.

No extra hardware. No complicated setup. It continuously detects threats, filters traffic, and blocks malware, ransomware, and phishing before they ever reach your business.

AT&T Dynamic Defense is available with AT&T Business Fiber, AT&T Dedicated Internet, and AT&T Switched Ethernet on Demand with Internet Offload. Exclusions may apply.

What is network-native cybersecurity?

Talk to an AT&T Business sales expert

Call us at 844.844.0742 for more information about our business solutions. Or, fill out and submit this form. Then, schedule a Microsoft Teams call by selecting a day and time that works for you.

Sales experts are available Monday – Friday, 7 a.m. – 7 p.m. CT.

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Add built-in security for your eligible AT&T Business internet

Built for small business. Backed by AT&T.