In consulting with D1 Defend, we are very happy with their prompt communications and great attitudes…We are extremely happy with their overall guidance with the planning phase of office and suggestions on what items were needed. Their expertise in the areas of internet cabling to internet and phone installation, where we had no knowledge is superb.
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Explore Top Cybersecurity Pros & Our Great Team D1defend
Explore Top Cybersecurity Pros & Our Great Team D1defend
About Us
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Who We Are
D1 DEFEND
Welcome to D1 Defend: Your Cybersecurity Friend in Southern California!
Located in the heart of Ontario, CA since 2007, we’re your go-to for the best cybersecurity and IT support. We’ve been growing, learning, and adapting to make sure your tech is safe and reliable.The digital world can seem big and confusing. That’s where we step in! We make things easier, turning tech challenges into wins.
Located in the heart of Ontario, CA since 2007, we’re your go-to for the best cybersecurity and IT support. We’ve been growing, learning, and adapting to make sure your tech is safe and reliable.The digital world can seem big and confusing. That’s where we step in! We make things easier, turning tech challenges into wins.
At D1 Defend, it’s not just about solutions; it’s about creating reliable and modern tech experiences for you. Think of us as your tech pals, guiding you to make sure everything runs smooth and safe.With us, your business gets the digital backup it needs. We’ve got your back, every digital step of the way.
Why D1 Defend?
Because we bring your tech dreams to life while keeping everything safe!
Our Promise
We want to give your business the tech tools it needs to thrive. We aim to ensure everything runs smoothly and safely.
We’re here to connect your goals with the tech world of today, helping your business grow in a safe digital environment.
Our Values
- Service First: We put our clients at the center. We’re all about making sure you’re happy and satisfied.
- Learning Always: We trust our skills, but we’re always eager to learn more for you.
- Aiming High: We don’t just meet expectations; we try to exceed them every time.
- Honest Work: Trust and transparency guide us. We believe in clear and honest relationships.
Our Dream
We dream big! We want to be the first name America thinks of for security services. We see a future where tech is easy and safe for every business.
With us, you can look forward to a future where cyber problems are a thing of the past and where a bright, tech-smart tomorrow is waiting.
Our Valued Clients
Jennifer H
Our Valued Clients
We moved over to D1 Defend because we experienced long turnaround times with our previous IT provider, which then lead to our point of contact person not responding to our calls and emails. We have been with D1 Defend for over a year and have never had an issue with service - they have been great!
Tandra C
Our Valued Clients
Eddie and the D1 team have been great in deploying our new branch locations. On-time, clean, courteous, and professional. We wouldn’t have been able accommodate our rapid growth without the help of D1 Defend and their ability to deploy our IT requirements in a moment's notice. I have full confidence in our future deployments knowing D1 is on call.
Cliff H
Our Valued Clients
Since our use of D1 Defend we have never been more secure nor our network as reliable.
Brent T
Our Valued Clients
Great service, quick and efficient. They are there in the background taking care of you and don’t even know it!
Liliy G.
Our Valued Clients
We have known Eddie for well over ten years. We started with him when computers and the internet were not so cary and complicated. As we have grown and our dependence on IT has grown Eddie has stood with us and had helped us to maneuver these troubled waters. We currently are using the Microsoft 365 programs and find them to be effective and very user friendly. We use very large files and we must be able to communicate effectively with our General Contractors and others in our industry. Microsoft 365 allows this with ease. If you have any questions, you can call me at your convenience.
Greg G
Our Valued Clients
Excellent approach from a network security and customer service standpoint.
Oscar R
Our Valued Clients
The staff is very friendly and always available to help!
Yolande V
Real Stories from Real Clients
See What Our Customers Are Saying About Our Excellent Services
The security of our clients is the most important thing for us, that’s why we exist and what we live for.