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Total Defense makes internet security easy for you and tough on destructive malware. We don’t just protect devices, we protect people.
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Our virus and malware protection is put through the toughest tests to ensure your are protected.
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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.
- 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.

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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
02.11.26
Restore and Refresh: Why Updating After a System Rebuild Is Critical for Security
Rebuilding your computer from a backup can feel like hitting the reset button on your digital life. It’s a powerful safety net — when something goes wrong, whether it's malware, hardware failure, or a major crash, your backup helps you get everything back in working order. But there’s one important step many people forget after restoring a system: updating your software.
It might seem like restoring from a backup puts you right back where you were before the problem started, but that isn’t always true. In fact, your restored system could be running older versions of your apps, tools, and even your operating system. And outdated software? That’s prime territory for security risks.
Let’s break down why updates matter so much after a system rebuild — and how to protect yourself moving forward.
Old Versions = New Vulnerabilities
When you restore from a backup, you’re essentially loading a snapshot of your system from a specific moment in time. That means:
- Old operating system versions
- Outdated applications
- Missing security patches
- Older drivers
- Possibly unsupported software
Cybercriminals rely on these outdated programs because they often contain known vulnerabilities. Malware, ransomware, and other attacks frequently target older versions of software that haven't been patched yet. If you restore your system and immediately start using it without updating, you're opening the door to threats that current updates are designed to block.
Updates Patch Security Holes
Developers release updates for a reason — often to fix bugs or patch security gaps. When you rebuild your system from a backup, you’re rolling back to a moment before those updates were installed.
To stay protected, make it a habit to:
- Install all system updates immediately
- Update apps and programs through their official sources
- Re‑enable automatic updates for future protection
Think of updates like locking your doors. Restoring your system gets you back home — but updates secure the place.
Why Updating After a Rebuild Is Non-Negotiable
Without updates, your rebuilt system might be vulnerable to:
- Ransomware attacks
- Malware that exploits older security bugs
- Compatibility issues with current software
- System instability or crashes
A restored system is only as safe as the updates that follow.
Don’t Forget Your Security Tools
After rebuilding, make sure to:
- Update your antivirus or endpoint security software
- Refresh threat definitions
- Verify firewall settings
- Reinstall browser security extensions if needed
Your backup may not include the latest threat protections, so getting them up to date is essential.
A Strong Rebuild Ends with a Strong Update
Restoring from a backup is a lifesaver — but the job isn’t done until you bring everything up to current versions. Think of it as finishing the last mile of a marathon. Once your updates
The ultimate work from home cybersecurity guide: 10 practical steps to stay safe online
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
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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.







