
Try our Best Antivirus Protection Free for 30 Days
Free Trial DownloadStart your Free 30 day, no credit card needed, no hassle trial today.
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.
Learn More >

Free US Tech Support
Our friendly US-based team is standing by to assist with customer care & technical support.
Learn More >

Money Back Guarantee
If you’re not completely satisfied, we’ll refund your money within 60 days of purchase.
Learn More >

Virus-Free Guarantee
We’re so confident in our virus protection, we will remove it for free or give your money back.
Learn More >
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.
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
04.07.25
Unique passphrases keep your accounts safe
Let’s talk about something super important for your online safety: passphrases. You might think that using the same password for multiple accounts is convenient, but it’s actually a recipe for disaster. Cybercriminals are always on the lookout for easy targets, and if they get their hands on one of your passwords, they could potentially access all your accounts. So, let’s dive into why having unique passphrases for each of your accounts is a game-changer!
What’s a Passphrase?
A passphrase is a longer, more complex version of a password. Think of it as a secret phrase that only you know. The longer and more unique your passphrase, the harder it is for hackers to crack. Instead of using “password123” for everything, try creating a passphrase that combines random words, numbers, and symbols. For example, “BlueSky!42DancingCats” is way stronger and much harder to guess.
Why Use Unique Passphrases?
Here are some key reasons why you should have separate passphrases for every account:
- Prevent Unauthorized Access: If a hacker steals your password from one account, they can’t access your other accounts if you use unique passphrases.
- Protect Sensitive Information: Critical accounts like banking and email should have the strongest passphrases to safeguard your personal data.
- Minimize Risk: By separating your work and personal accounts, you reduce the risk of a single breach affecting all your information.
Tips for Creating Strong Passphrases
Creating a strong passphrase doesn’t have to be complicated. Here are some tips to help you craft secure passphrases:
- Mix It Up: Use a combination of uppercase and lowercase letters, numbers, and special characters.
- Make It Long: Aim for at least 12-16 characters. The longer, the better!
- Use Random Words: Combine unrelated words to create a memorable yet complex passphrase (e.g., “Purple!Giraffe42Dances”).
Remembering Your Passphrases
Now, I know what you’re thinking: “How am I supposed to remember all these unique passphrases?” That’s a valid concern! Here are some solutions:
- Use a Password Manager: These handy tools can generate strong passphrases for you and store them securely. Just remember one master password to access your password manager, and you’re good to go!
- Write Them Down Securely: If you prefer a more traditional method, jot down your passphrases in a secure location, like a locked drawer.
Regularly Update Your Passphrases
It might seem like a hassle, but changing your passwords every few months can help keep your accounts secure. If a service you use experiences a data breach, it’s a good idea to change your password for that account immediately.
Having unique passphrases for each of your accounts is a simple yet effective way to enhance your online security. Don’t make it easy for cybercriminals—take the time to create strong, unique passphrases and consider using a password manager to keep everything organized. Your digital life will thank you!
Spring cleaning guide for your computer: refresh and secure your digital space
Questions? Our friendly award winning US-based support team is happy to help and it’s free.
1-877-906-8816 Weekdays 9am – 5:30pm, 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 – 5:30pm, 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.