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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.
Essential Anti-Virus

Anti-Virus security ensures you’re totally covered keeping your devices safe from malware, spyware, ransomware, and harmful viruses.
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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
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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
08.19.25
The growing threat of AI-generated malware: what you need to know
We've all been hearing about how Artificial Intelligence (AI) is changing everything, from writing emails to creating amazing art. But here's a heads-up about a darker side of AI: cybercriminals are now starting to weaponize it, leading to a new generation of scary-smart malware and attacks.
Think about it – AI can learn patterns, make decisions, and even generate new content. Now imagine those abilities turned towards creating more sophisticated and harder-to-detect cyber threats. It's like the bad guys just got a super-powered upgrade, and it's something we all need to be aware of.
Why AI Makes Cyber Attacks Even More Dangerous:
So, how exactly is AI making the cyber threat landscape even more challenging? Here are a few key ways:
- Smarter Malware: Traditional malware often follows predictable patterns. But AI-powered malware can learn and adapt. It can analyze your system, understand your defenses, and then change its behavior to avoid detection. It's like a virus that can think on its feet!
- Supercharged Phishing: Remember those phishing emails with typos and awkward phrasing? AI can write incredibly convincing emails that are almost impossible to spot as fake. They can mimic writing styles, understand context, and even personalize attacks at scale, making it much easier to trick people into clicking malicious links or giving up their information.
- Automated Attacks: AI can automate many stages of a cyberattack, making them faster and more efficient. This means attackers can launch more attacks with less human effort, overwhelming traditional security measures.
- Bypassing Security: AI can be used to probe and identify weaknesses in security systems more effectively than traditional methods. It can learn how firewalls and antivirus software work and then develop new ways to sneak past them. It's like having a super-intelligent hacker constantly looking for cracks in your defenses.
What Can You Do About It?
The rise of AI-powered cyber threats might sound intimidating, but it doesn't mean we're helpless. Here are some things you can do to stay safer:
- Stay Vigilant: Be extra cautious about emails, links, and attachments, even if they look legitimate. If something feels off, trust your gut. Hover over links before you click, and never enter personal information on a website you're not 100% sure about.
- Keep Your Software Updated: Make sure your operating system, browser, and all your apps are always up to date. Software updates often include security patches that can protect you from known vulnerabilities that AI-powered malware might try to exploit.
- Use Strong, Unique Passwords (and a Password Manager!): With AI making phishing more effective, a strong, unique password for each of your online accounts is more critical than ever. Consider using a password manager to help you create and store complex passwords securely.
- Enable Two-Factor Authentication (2FA): This adds an extra layer of security to your accounts. Even if a hacker manages to get your password, they'll still need that second verification code from your phone to log in.
- Invest in Good Security Software: Make sure you have reputable antivirus and anti-malware software installed and that it's set to update automatically. While AI is creating new threats, security vendors are also using AI to develop better defenses.
- Educate Yourself: Stay informed about the latest cyber threats and how to protect yourself. Security blogs (like this one!), news articles, and resources from cybersecurity organizations can help you stay ahead of the curve.
The world of cybersecurity is constantly evolving, and AI is definitely throwing a new curveball. But by staying informed, being cautious, and taking proactive steps to secure your digital life, you can significantly reduce your risk of falling victim to these new, AI-powered threats. Stay safe out there!
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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US-Based Support • Weekdays 9am – 5pm, Eastern Time USA
Technical Support
Call 1-866-305-7989
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Free technical support includes:
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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.