The world's top brands depend
on us to protect their digital
infrastructure and online presence


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Neustar Security Services offers a suite of cloud-delivered solutions that are secure, reliable, and available to safeguard your digital infrastructure and online presence.

Application & Network Security

Defend your digital assets and protect your opportunities to engage confidently with customers through intelligence that works beyond the point of entry and understands the intent of each connection, resulting in increased resilience against disruptions and cyber attacks.

Prevent Attacks Now

DNS Services

Security, reliability, performance - everything you want in your DNS. They’re the reasons Fortune 500 and Alexa 100 companies count on us to secure this cornerstone of their connected world.

Protect Your Domain

Web Performance Management

Find and fix problems that plague connected customers: unavailable websites, slow-loading pages, and failing applications.

Test Your System

Professional Services

Maximize your ROI and speed adoption by working with our security experts. Whether you need cybersecurity or vulnerability assessments, penetration testing, or web optimization assistance, we can extend the reach of your security team.

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The Ultra secure suite of scalable cloud network security services provide consistent protection and high performance across all locations.


With over 20 years of experience in online security and a global network with over 15 Tbps of dedicated cloud security capacity, Neustar Security Services offers award-winning managed services with proven reliability to thousands of large Enterprises and web-scale customers worldwide.


Neustar Security Services' UltraDNS Services, Always-On DDoS Mitigation and Web Application Firewall solutions are offered as cloud services to ensure website and network availability from anywhere in the world.

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Discover How Neustar Security Services Enables Global Businesses to Thrive Online.

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Under DDoS Attack? Relief Begins Here!