ICANN Accredited Registrar

Register your .security domain.

Register your .security domain in minutes. Atom is an award-winning, ICANN-accredited registrar trusted by 100,000+ founders, so you can buy with confidence and build on a rock-solid foundation.

100K+

Customers

4.6 | Trustpilot

Inc. 5000

Fastest-Growing Companies in the US

2025

Trailblazer Award

Honored by the Internet Commerce Association

2M+

Premium Domains

High-Quality Curated Inventory

Why Register Your .security Domain With Atom

Free Privacy Protection

Unlimited WHOIS privacy protection included with every domain at no extra cost

No Hidden Fees

Transparent pricing with no surprise charges. The price you see is the price you pay

6 Months Brand Monitoring

Track your domain across the web and get alerts about potential trademark issues

DNS & Forwarding Included

Full DNS management and domain forwarding included with every registration.

Global Recognition

Trusted by the world's leading brands

Buy a one-word .security domain

Browse our curated marketplace of premium single-word .security domains,
with names selected to be clear, memorable, and ready to use.

Do.security

View All One Word .security Domains

Need the Perfect .security Name?

Multiple AI agents compete to find creative names, with free trademark checks and early audience validation. Your first contest is free.

Start Free AI Contest

What is the .security Domain Extension?

Origins and History

The .security domain extension was established as a way to provide a secure and trustworthy online space for businesses and organizations operating in the security industry. It offers a distinctive and relevant domain option that conveys a sense of reliability and credibility to users seeking security-related information or services.

Purpose and Intended Use

The primary goals of the .security domain extension are to establish trust, credibility, and security for websites focusing on safety, protection, and defense. Intended use cases include cybersecurity firms, private security companies, and safety organizations looking to showcase their commitment to safeguarding online users. Choose .security to convey a sense of reliability and professionalism in the digital security space.

Who can register a .security domain?

Registration of .security domains is open to anyone on a first-come, first-served basis.
There are no specific eligibility requirements or restrictions for registering a .security domain.
Policies and guidelines for registration and registrants of .security domains may vary among different domain registrars.

Usage and Popularity of .security Domains

Usage of .security domains

.security domains are seeing increased adoption across various industries including banking, cybersecurity firms, and government agencies.
The use of .security domains is particularly well-suited for websites that focus on providing secure services, information, and products to their users.
Trends show that websites using .security domains are perceived as trustworthy and reliable, making them an effective choice for businesses looking to enhance their online security presence.

Types of websites commonly associated with .security

Websites in industries such as cybersecurity, physical security, and risk management commonly use .security domains.
.Security domains are particularly popular and effective for websites related to financial services, technology companies, and government agencies.
Other industries that often use .security domains include law enforcement, insurance, and consulting firms.

The typical .security registration process

Choose a reputable domain registrar that offers .security domain registration.
Verify that you meet the eligibility requirements for registering a .security domain, which typically include providing proof of security-related credentials or services.
Complete the registration process and pay the required fee, following any additional policies or restrictions specific to .security domains.

How To Register Your .security Domain

Three simple steps to claim your perfect domain name.

Search for Your Domain

Enter your desired .security domain name in the search bar above. Our system will instantly check availability across multiple extensions.

Choose & Configure

Select your preferred domain, add it to your cart, and optionally configure DNS settings, privacy protection, and add-ons — all included for free.

Add to Cart

Complete Your Purchase

Check out securely with your preferred payment method. Your domain will be active instantly and ready to use in your dashboard.

Rated 4.6 out of 5 based on 937 reviews on Trustpilot

Exact Matches

Enter a search term to check availability

Premium Domains

Premium alternatives will appear here

AI-Generated Ideas

AI suggestions will be generated

Frequently Asked Questions

What does the .security domain extension stand for?

The ".security" domain extension represents a top-level domain (TLD) that signifies a focus on security-related content, services, or organizations. It is a distinctive domain name that provides an opportunity for entities to establish their online presence in a way that emphasizes their commitment to security and safety. With the ".security" TLD, businesses and institutions can highlight their expertise in safeguarding digital environments and fostering trust among their users, customers, or clients.

What are the typical use cases for .security domains?

The .security domain extension is typically used by organizations and businesses involved in the security industry to establish a credible online presence. It provides a clear indication to internet users that the website or email they are accessing is dedicated to security-related content, products, or services. This domain extension is commonly chosen by security companies, cybersecurity firms, consultants, and organizations focusing on personal, home, or digital security.

Can .security domains be used by an international audience?

The .security domain is not recommended for businesses targeting an international audience due to its limited recognition and global appeal. Additionally, .security domains are considered subpar for businesses as they may not convey a sense of professionalism or credibility. Instead, it is advisable for businesses to opt for more popular and widely recognized extensions such as .com, .io, or .co, which have gained widespread acceptance and trust in the online community.

How do I register a .security domain with Atom?

The .security extension is not currently available for registration directly on Atom.com. We are actively working on adding support for this extension in the near future. In the meantime, you can explore our premium .security domains for sale on the marketplace.

Is WHOIS privacy included with .security domains?

Yes. Every domain registered through Atom includes free WHOIS privacy protection at no extra cost.

Can I transfer my .security domain to or from Atom?

Transfers for .security domains are not currently supported on Atom.com, but we are working on adding this capability soon. Stay tuned for updates as we expand our supported extensions.