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Total Defense
Premium Internet Security
Premium Internet Security provides simple, smart, and reliable protection from viruses, spyware, and malware on up to 5 of your smartphones, tablets, desktops, and laptops.
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Our other popular internet security software choices, to keep you and your devices safe.
Ultimate Internet Security

Protect everyone on every device in your home - Ultimate is an easy-to-use, all-in-one Internet Security suite that protects you, your family, and up to 10 of your devices from harmful viruses and the latest online threats.
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Anti-Virus security ensures you’re totally covered keeping your devices safe from malware, spyware, ransomware, and harmful viruses.
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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.
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AV Comparatives Advanced Plus

AV Comparatives Advanced Plus

VB100 Certified

AV Comparatives Advanced Plus

OPSWAT Certified

AV Comparatives Advanced Plus
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.
»Important terms and offer detailsWe’ve Got You Covered
Over 20 years of Dedication
We are committed to your cybersecurity, from installing the software effectively to helping recovery in the event of a breach.
Advanced Threat Protection
A good offense is the best defense! Real-time and on-demand malware scanning engines provide powerful proactive protection.
Award Winning Security
Powerful protection, securing all entry points, wherever you are, whatever type of device you’re using to access the internet.
Customer Commitment
Our US-based support team is focused on keeping you and your family safe in the ever changing connected world.
Why Total Defense Internet Security >Defend the Defenseless
Total Defense has been a proud supporter of the National Center for Missing & Exploited Children for over 15 years.
Total defense has supported NCMEC in it’s mission to help find missing children, reduce child sexual exploitation and prevent child victimization. We provide quarterly monitary support for NCMEC’s efforts to provide important programs that assist missing and exploited children nationwide.
To learn more about NCMEC, visit www.missingkids.org or see NCMEC on Twitter and Facebook.

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Total Defense
Internet Security and Safety Center
Helpful tips and articles with practical steps you can follow to improve your online safety

Total Defense Security Tip of the Day
04.25.25
Protect your tech: the importance of using a surge protector
We all love our gadgets, but did you know that a sudden power surge can wreak havoc on your computer and lead to data loss? It’s true! Overloading electrical sockets can cause surges that damage your devices and compromise your important files. That’s why using a surge protector is a smart move for anyone who wants to keep their tech safe. Let’s dive into why surge protectors are essential and how to choose the right one for your setup.
What is a Surge Protector?
A surge protector is a device that shields your electronics from voltage spikes. These spikes can occur for various reasons, such as lightning strikes, power outages, or even when large appliances turn on and off. A surge protector absorbs the excess voltage, preventing it from reaching your devices and causing damage.
Why You Need a Surge Protector
Here are a few compelling reasons to invest in a surge protector:
- Prevent Damage to Your Devices: Computers, printers, and other electronics can be expensive to replace. A surge protector acts as a barrier, protecting your devices from unexpected surges.
- Avoid Data Loss: Power surges can corrupt files and lead to data loss. By using a surge protector, you reduce the risk of losing important documents, photos, and other valuable data.
- Multiple Device Support: If you have a desktop setup with multiple devices—like a monitor, printer, and external hard drive—a surge protector allows you to plug them all in safely without overloading your outlets.
How to Choose the Right Surge Protector
Not all surge protectors are created equal, so it’s essential to choose one that fits your needs. Here’s what to look for:
- Joule Rating
- The joule rating indicates how much energy the surge protector can absorb before it fails. The higher the joule rating, the better the protection. Look for a surge protector with at least 1,000 joules for basic protection, but consider higher ratings for more valuable equipment.
- Number of Outlets
- Make sure the surge protector has enough outlets for all your devices. If you plan to expand your setup in the future, consider getting a surge protector with extra outlets.
- Response Time
- A surge protector’s response time is how quickly it reacts to a surge. Look for one with a fast response time (measured in nanoseconds) to ensure your devices are protected as quickly as possible.
- Additional Features
- Some surge protectors come with extra features like USB ports for charging devices, built-in circuit breakers, or even Wi-Fi protection. Consider what features are important for your setup.
Don’t Forget to Back Up Your Data
While a surge protector is a great first line of defense, it’s also crucial to regularly back up your important data. Use cloud storage or an external hard drive to keep copies of your files safe. This way, even if something goes wrong, you won’t lose everything.
Using a surge protector is a simple yet effective way to protect your devices and data from unexpected power surges. By investing in a quality surge protector and regularly backing up your data, you can enjoy peace of mind knowing your tech is safe. So, don’t wait—get a surge protector today and keep your devices running smoothly!
Spring cleaning guide for your computer: refresh and secure your digital space
Questions? Our friendly award winning US-based support team is happy to help and it’s free.
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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
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The VB100 Award

VB100 Certification
The VB100 award is a certification of products which meet the basic standards required to be recognized as legitimate and properly functioning anti-malware solutions.
To display a VB100 logo, a product must:- Prove it can detect 100% of malware samples listed as ‘In the Wild’ by the WildList Organization
- Generate no false positives when scanning an extensive test set of clean samples.
- All this must be done with default, out-of-the-box settings in the VB lab environment.