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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
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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
09.09.25
The fast, fun, and (sometimes) risky world of mobile payment apps
Mobile payment apps like Zelle, Venmo, and Cash App have completely changed the game. Need to split the dinner bill with friends? Instantly pay your roommate for rent? Send some cash to your kid at college? These apps make it a breeze. They're convenient, fast, and easy to use. But that speed and ease also come with a catch: they've become a favorite tool for scammers.
Think about it: most payments on these apps are instant and irreversible. That’s a huge plus for convenience, but a huge risk if you send money to the wrong person. Scammers know this, and they've developed some clever tricks to get you to send them money you'll never see again.
How Mobile Payment Scams Work
Scammers are experts at creating a sense of urgency or trust. They'll pretend to be a friend, a family member, or a business you know. Here are a few common scams to watch out for:
- The "I'm in Trouble" Scam: You get a message from a friend saying they're in a jam and need money right away. They might claim their phone was lost or stolen, or they're stranded somewhere. But it's not your friend. It's a hacker who's taken over their account. Always verify requests like these with a phone call or by another method.
- The "Too Good to Be True" Scam: You're selling something on a site like Craigslist or Facebook Marketplace, and a "buyer" offers to pay you with a mobile app. They'll send you a fake screenshot of a payment confirmation and might even "accidentally" overpay, then ask you to refund the extra amount. You'll send them the money, but the original payment was never real, and you're out of luck.
- The "Unexpected Payment" Scam: You receive a random payment from a stranger on an app like Zelle or Venmo. They'll quickly send a panicked message claiming they sent it by mistake and need you to send it back. But they're not asking for the original amount back. They're trying to trick you into a fake transaction. Instead of sending them money, report the payment to the app's support team.
Pro Tips to Stay Safe
Protecting yourself isn't complicated. You just need to be a little cautious.
- Treat Mobile Payments Like Cash: When you use these apps, it's like handing someone a physical dollar bill. Once it's gone, you can’t get it back. Only send money to people you know and trust.
- Verify, Verify, Verify: If a friend or family member sends you a money request, or if someone you know is "in trouble" and needs money, don't just trust the message. Call them or contact them in a different way to confirm they are who they say they are.
- Watch for Warning Signs: Be on the lookout for misspelled words, poor grammar, and strange requests. If someone is pressuring you to act fast or asking for information they shouldn’t need, it's probably a scam.
- Use Strong Security: Enable two-factor authentication (2FA) on all your mobile payment apps. This adds an extra layer of security, so even if a scammer gets your password, they can't get into your account.
- Don’t Overpay: Never, ever refund a supposed overpayment on these apps. If someone "accidentally" overpays, it’s a scam. Report them to the app's support team instead.
By being aware of these common scams and following these simple safety tips, you can enjoy all the benefits of mobile payment apps without falling victim to a scammer. Stay safe and savvy!
The rise of QR Code Phishing (Quishing): How to stay safe in 2025
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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

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Technical Support
Call 1-866-305-7989
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Free technical support includes:
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Call 1-877-906-8816
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Customer care assists with:
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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.