Total Defense
Ultimate Internet Security
Winning
Protection
All new Total Defense Ultimate Internet Security – More secure and easier to use than ever.
Virus-free, Hassle-free, Worry-free.
Virus-Free Guarantee
We're so confident in our protection we guarantee that your PC or device will stay virus-free.
Free US Tech Support
Our friendly US-based team is standing by to assist with customer care & technical support.
60-day Money Back Guarantee
60-day Guarantee
If you're not completely satisfied, we'll refund your money within 60 days of purchase.
60 Day Money Back Guarantee
Money Back Guarantee Program
Total Defense is committed to helping you with your refund. If our product does not meet your expectations for any reason, we will provide a full refund within 60 days of your purchase.
Virus Protection Assurance Program
Virus Protection Assurance Program
An exclusive benefit for customers enrolled in the Automatic Renewal Service.
When you choose Total Defense, you’re safeguarded with award-winning, multi-layered virus protection technology. Our powerful security lets you confidently shop, bank and browse online. In fact, we’re so certain we can protect you, if you’re running a Total Defense Security Product and a virus slips past our powerful protection, our expert technology advisors will remove the virus from your device for free. In the unlikely event the virus can’t be removed, we will give you your money back.
»Important terms and offer detailsFree US-Based Support Team
Need Assistance?
US-Based Support • Weekdays 9am – 5:30pm, Eastern Time USA
Technical Support
Call 1-866-305-7989
or Email
Free technical support includes:
- Download and installation
- Activation and configuration
- Removal of conflicting AV software
- Updates and upgrades
Customer Care
Call 1-877-906-8816
or Email
Customer care assists with:
- Sales and orders
- Account information
- Renewals
- Refunds
- Rebates
- Billing Inquiries
Powerful real-time protection – Ultimate Internet Security
Secure all the devices in your home – PCs, Macs, Smartphones & Tablets.
- Surf with confidence – simple, smart, and reliable protection from viruses, spyware, ransomware and other malware threats – on your PC’s, Mac’s, and Android mobile devices.
- NEW Ransomware protection – our Advanced Threat Protection guards your most important files from ransomware attacks
- NEW Anti-Phishing – protection from phishing attacks, Internet fraud, and malicious websites
- NEW Easy-to-use interface – quick setup, easy scheduling, plus strong security, set it and forget it.
- NEW Vulnerability protection – automatically updates outdated software applications
- 10 devices – a single purchase protects up to 10 of your families devices
- + Get a faster PC – integrated tune-up technology, keeps your PC running at peak performance
- + 25GB online backup – keeps your photos and digital files safe
NEW Advanced Threat Protection
NEW Anti-Phishing
Financial Protection
Stay at Peak Performance
Shop Online with Confidence
Disaster-Proof Your Files
*For Home use only, for Small Business use contact support at 1-877-906-8816
Award winning internet security software
Powerful virus detection that doesn’t slow you down.
Learn more about our highly rated malware protection or get started today with a free 30-day trial of Total Defense Internet Security, with no obligation to buy.
Free Trial Download
AV Comparatives Advanced Plus
AV Comparatives Advanced Plus
VB100 Certified
AV Comparatives Advanced Plus
OPSWAT Certified
AV Comparatives Advanced Plus
Our customers love Ultimate Internet Security
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“This has been the best product among other products that I ever used. I started using Total Defense in 2019. Since then, I have never experienced a problem with the service and...”- Cyrus N.
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“A very special Thank You to the Support team I was confused about the product and they fully explained it and then suggested a better product that would give me what I wanted...”- Lyn M.
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“The key to good customer service is to meet customers\' expectations. Great customer service means doing that every time a customer reaches out and that\'s what Total Defense...”- Luis S.
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“After using this anti-virus I've never felt so safe. I recommend it's really underrated Anti-Virus software.”- Plaza M.
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“Simply state of the art products both when it comes to the extremely attractive GUI, simplicity of use and the performance. Nothing more needs to be said.”- Kalle
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“I have used Total Defense since before it was called Total Defense, back when it was called CA. I have also used most of the major antivirus software, like Mcafee and Norton,...”- Kim A.
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“Total Defense has been running on my system for over a year with no issues. I have been able to keep the machine problem free and internet safe. ”- Patty S.
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“Love this Product. It is so easy to use and I feel protected. I have already spoken with Tech Support and they are extremely knowledgeable, patient and customer focused. In...”- Patricia K.
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“Would recommend Total Defense as an outstanding security system. Using Total Defense since 2014, we have had no computer viruses or security problems. Tech support, is excellent...”- Constance L.
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“Support responded to my inquiry immediately. Manner was pleasant and professional. Promptly identified and resolved the issue and I was left a very satisfied customer! Great...”- Jean P.
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“Just paid for a renewal of service and technical support went above and beyond for me. Helped me clean all unwanted files and was super friendly. What an amazing support team....”- Sean G.
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“Love these guys!! Great product and phenomenal support.”- Robert S.
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“I have been a member for a few years now. Every time I call the agents are very pleasant and knowledgeable. This time was no different. He was very helpful and solved my...”- Charlene S.
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“The best money I have ever spent -- best in protection and best in service. When I have a problem I simply pick up the phone, and they can instantly resolve my problem. So far,...”- Kennedy S.
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“I put this product on different computers and tablets for several years. It's easy to use and understand. Updates consistently to keep up with any new virus and malware....”- Stepheni H.
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“I love the feeling of trust I have, knowing that my PC, laptop, tablet, and phone are all "totally defended" from the potential harm that is out there in the cyber world. It is...”- Leslie K.
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“Lightweight and easy! This works great. It was easy to set up and activate. The best part is my computer hasn't slowed down a bit. Other Internet security products I've had in...”- Jerry C.
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“Total Defense is very easy-to-use. It protects all my devices, including my desktop, laptop and tablet. Protects from basically all online threats like viruses, ransomware,...”- Jorge V.
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“Solid Software Installation was easy. I have been used it for 4+ months and found no issues at all. The product did everything for my computer and is taken very little CPU...”- Hui-Hua C.
Total Defense
Ultimate Internet Security
System Requirements
- Windows 11 (64-bit)
- Windows 10 (32 & 64-bit)
- Windows 8.1 (32 & 64-bit)
- Macintosh OS X – 10.12 or later
- 2 GB RAM
- 1 GHz or faster processor
- Internet Explorer 11 or Microsoft Edge
- 1 GB of available hard disk space
- 1024 x 768 or higher screen resolution
- Internet access
- Internet Explorer 11
- Microsoft Edge
- Chrome v40.0 and higher
- Firefox 35.0 and higher
- Android 5.0 or higher
- For personal and family use only. Not for business or commercial use.
We will keep you virus-free guaranteed.
An exclusive automatic renewal service benefit.
When you choose Total Defense, you’re safeguarded with award-winning, multi-layered virus protection technology. Our powerful security lets you confidently shop, bank and browse online. In fact, we’re so certain we can protect you, if you’re running a Total Defense Security Product and a virus slips past our powerful protection, our expert technology advisors will remove the virus from your device for free. In the unlikely event the virus can’t be removed, we will give you your money back.
Also sold at:
What works for you?
Questions? Our friendly award winning US-based support team is happy to help and it's free.
1-877-906-8816 Weekdays 9am – 5:30pm, Eastern Time USA
