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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.
Our software works hard so you don’t have to—no complex questions or specialized knowledge required.
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Our virus and malware protection is put through the toughest tests to ensure your are protected.
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We’re so confident in our virus protection, we will remove it for free or give your money back.
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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
04.24.25
Protect your new computer: install antivirus software before going online
So, you’ve just unboxed a shiny new computer—exciting, right? But before you dive into the online world, there’s one crucial step you need to take: installing antivirus software. This simple action can save you from a world of headaches down the line. Let’s break down why antivirus software is essential and how to get it set up properly.
Why You Need Antivirus Software
The internet is a fantastic place filled with information, entertainment, and social connections. However, it’s also home to various threats like malware, viruses, and other nasty surprises that can wreak havoc on your new device. Here’s why installing antivirus software is a must:
- Protection Against Malware: Antivirus software scans your computer for malicious software (malware) that can harm your system or steal your personal information.
- Real-Time Monitoring: Many antivirus programs offer real-time protection, meaning they actively monitor your computer for suspicious activity and can block threats before they cause damage.
- Regular Updates: Cyber threats are constantly evolving, and antivirus software vendors regularly update their programs to combat new malware. Keeping your software up-to-date is crucial for ongoing protection.
How to Choose and Install Antivirus Software
Now that you understand the importance of antivirus software, let’s talk about how to choose and install it.
- Step 1: Choose Reputable Software
- When selecting antivirus software, opt for a reputable vendor. Look for well-known brands with positive reviews and a track record of effective protection. Some popular options include Norton, McAfee, Bitdefender, and Kaspersky.
- Step 2: Download from Trusted Sources
- Always download your antivirus software from the vendor’s official website or a trusted source. Avoid third-party sites, as they may offer outdated or compromised versions of the software.
- Step 3: Install the Software
- Once you’ve downloaded the software, follow the installation instructions. This process is usually straightforward—just click through the prompts. Make sure to read any agreements and settings carefully.
- Step 4: Enable Automatic Updates
- After installation, check if your antivirus software offers automatic updates. If it does, enable this feature! Automatic updates ensure that your software always has the latest signatures to detect and combat new threats. If your program doesn’t offer this option, make it a habit to check for updates regularly.
Additional Tips for Staying Safe Online
Installing antivirus software is just the first step in protecting your new computer. Here are a few more tips to keep your device secure:
- Be Cautious with Downloads: Only download files and software from trusted sources. Avoid clicking on suspicious links or attachments in emails.
- Use a Firewall: Make sure your computer’s firewall is enabled. This adds an extra layer of protection against unauthorized access.
- Practice Safe Browsing: Be mindful of the websites you visit. Stick to reputable sites, and avoid entering personal information on unfamiliar pages.
Installing antivirus software before connecting your new computer to the internet is a crucial step in safeguarding your device. By taking this simple precaution, you can enjoy your online experience with peace of mind. So, get that antivirus software up and running, and dive into the digital world safely!
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.