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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…
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.
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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.

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.
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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
08.12.25
New computer? don't connect without Antivirus!
There's nothing quite like the feeling of unboxing a brand-new computer. It's clean, it's fast, and it's ready to go. But before you get too excited and connect it to the internet, you need to take one of the most critical steps in protecting your new digital life: installing antivirus software.
Think of it like this: the internet is a bustling city, and while most of it is great, there are some dangerous neighborhoods. Connecting your new, unprotected computer to the internet is like walking into that city for the first time without a shield or a map. It's an open invitation for viruses, malware, and other cyber threats to come in and wreak havoc on your brand-new system.
Your Antivirus Software: The Digital Protector
Antivirus software is your computer's best defense against a wide range of cyberattacks. It's designed to constantly stand guard, scanning your computer's files and memory for any signs of malicious code. Here’s a bit about how it works and why it's so important:
- Signature-Based Detection: Antivirus programs primarily work by using "signatures." These are like fingerprints for malware. Security vendors, like the one you might use, constantly identify new viruses and create unique signatures for them. The antivirus software on your computer then looks for these specific patterns in your files, instantly alerting you if it finds a match.
- Proactive Defense: Antivirus isn't just about finding existing malware; it's also about preventing new threats from ever getting on your system. It can block suspicious websites, quarantine files before they cause harm, and stop malicious software from running in the first place.
The Golden Rule: Keep It Updated!
Installing antivirus software is only half the battle. The real power of your protection comes from keeping it up-to-date. Why? Because cybercriminals are always creating new threats.
- Constant Updates: Security vendors frequently release new signatures to combat newly discovered malware. If your software isn't updated, it won't be able to recognize these new threats. An outdated antivirus program is like a shield with a giant hole in it—it can't protect you from the newest attacks.
- Automatic Updates Are a Lifesaver: Many reputable antivirus programs offer automatic updates. This is a huge win! You can enable this feature and your software will always have the most current signatures without you having to lift a finger. If your program doesn't have this feature, make it a habit to manually update the software regularly.
- Download from Reputable Sources: When you do install antivirus software, make sure you're getting it from a trusted source like Total Defense, such as the vendor's official website. Never download antivirus from a random email or a pop-up ad, as those are often malicious programs themselves disguised as security tools.
So, before you download files, check your email, or browse the internet on your new computer, make sure you've installed a reputable antivirus program and turned on automatic updates. It's the most critical first step to ensuring your new device stays safe and secure for years to come.
The rise of QR Code Phishing (Quishing): How to stay safe in 2025
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 – 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.