Announcing our new 2026 internet security product line.
More secure and easier to use than ever.
Try our Best Antivirus Protection Free for 30 Days
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Secure your digital life.
Total Defense makes internet security easy for you and tough on destructive malware. We don’t just protect devices, we protect people.
Our software works hard so you don’t have to—no complex questions or specialized knowledge required.
Virus-free. Hassle-free. Worry-free.
Security designed for people, around people.
VB100 Certified
Our virus and malware protection is put through the toughest tests to ensure your are protected.
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Free US Tech Support
Our friendly US-based team is standing by to assist with customer care & technical support.
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Money Back Guarantee
If you’re not completely satisfied, we’ll refund your money within 60 days of purchase.
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Virus-Free Guarantee
We’re so confident in our virus protection, we will remove it for free or give your money back.
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Total customer satisfaction is our ultimate goal
Don’t take our word for it…
“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. ”
- Leslie K.
“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.”
- Jerry C.
“Good product at a good price What's good is it covers tablets, PCs, phones. Also has online backups and mobile security features too, so plenty of value for money. Works well and gets the job done! ”
- Nakul D.
“A great Internet security suite for PC users, great parental controls, well-integrated online backup "set it and forget it," good antivirus performance, low cost, can use on multiple devices.”
- Isadora L.
“Easy installation, did not slow down the computer and scanning was super fast. Feel better having protection from all the new ransomware and viruses going around.”
- Wayne F.
Protection for all the devices in your home
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.
- Shop, bank and explore your social network without worry
- Protect your information from cyber criminals when you’re shopping and banking online
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.
Essential Anti-Virus
Anti-Virus security ensures you’re totally covered keeping your devices safe from malware, spyware, ransomware, and harmful viruses.
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
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.
Rated #1 anti-virus software company on ConsumerAffairs.com
Over 2,000 customer reviews
We always strive to create the best customer service experience and our customers agree. Total customer satisfaction is our ultimate goal.
Read reviews from our customers>
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
01.18.26
How do I enable a VPN Kill Switch for maximum security?
Using a Virtual Private Network (VPN) is one of the best ways to protect your privacy online. It encrypts your internet traffic and hides your IP address, making it harder for hackers and snoops to track you. But here’s something many people overlook: what happens if your VPN suddenly disconnects? Without protection, your device will automatically switch back to your regular internet connection, exposing your data.
Risk spikes on public Wi‑Fi, too: a 2025 survey found 1 in 4 regular public‑Wi‑Fi users experienced a security issue from browsing on unsecured networks. That’s exactly when a kill switch prevents exposure during a drop.
What Is a VPN Kill Switch?
A kill switch is a security feature built into many VPN services. If your VPN connection drops for any reason—whether due to network issues or software glitches—the kill switch kicks in. It immediately blocks your internet access or shuts down specific apps you’ve preselected. This prevents sensitive data from leaking onto an unsecured network.
Why Is It Important?
Imagine you’re logged into your bank account or checking work emails on public Wi-Fi. If your VPN disconnects and you don’t notice, your activity is suddenly exposed. Hackers could intercept your data, and your IP address becomes visible. A kill switch ensures that doesn’t happen.
How Does It Work?
There are two main types of kill switches:
- System-Level Kill Switch: Cuts off all internet traffic until the VPN reconnects.
- App-Level Kill Switch: Closes specific apps you choose, like banking or email apps, when the VPN fails.
Both options keep your private information safe by preventing accidental exposure.
How to Set It Up
- Check Your VPN Settings: Most reputable VPNs include a kill switch feature.
- Enable It: Turn it on in the app’s security settings.
- Preselect Sensitive Apps: Choose apps that handle personal or financial data—like banking apps, email clients, and messaging platforms.
A VPN without a kill switch is like a seatbelt that only works half the time. If you’re serious about online security, enabling this feature is a must. It’s a simple step that can save you from major privacy risks.
Fake retail sites are everywhere: How to spot counterfeit Black Friday deals
Questions? Our friendly award winning US-based support team is happy to help and it’s free.
1-877-906-8816 Weekdays 9am – 5pm, Eastern Time USA
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 – 5pm, 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
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.
