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More secure and easier to use than ever.

Ultimate Internet Security
Premium Internet Security
Essential Anti-Virus
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PC-Tune Up
Mobile Security
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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
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
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
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
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…
 

I love the feeling of trust I have, knowing that my PC, laptop, tablet, and phone are all "totally defended" from the potential harm that is out there in the cyber world.

- Leslie K.

Total Defense 5 Star rating

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Lightweight and easy! This works great. It was easy to set up and activate. The best part is my computer hasn't slowed down a bit.

- Jerry C.

Total Defense 5 Star rating

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Good product at a good price What's good is it covers tablets, PCs, phones. Also has online backups and mobile security features too, so plenty of value for money. Works well and gets the job done!

- Nakul D.

Total Defense 5 Star rating

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A great Internet security suite for PC users, great parental controls, well-integrated online backup "set it and forget it," good antivirus performance, low cost, can use on multiple devices.

- Isadora L.

Total Defense 5 Star rating

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Easy installation, did not slow down the computer and scanning was super fast. Feel better having protection from all the new ransomware and viruses going around.

- Wayne F.

Total Defense 5 Star rating

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I put this product on different computers and tablets for several years. It's easy to use and understand. Updates consistently to keep up with any new virus and malware. Customer support is always helpful.

- Stepheni H.

Total Defense 5 Star rating

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Protection for all the devices in your home

Premium Internet Security
4.9 (69 Reviews)
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
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$69.99
$89.99
Save $20
5 Devices
10GB Online Backup
Windows Mac Android
Buy with Confidence
Free US-Based Support
Certified Secure Checkout
60 Day Money Back Guarantee
Our other popular internet security software choices, to keep you and your devices safe.
Ultimate Internet Security
4.9 (44 Reviews)

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.

Learn about Ultimate Internet Security >

Anti-Virus
4.9 (34 Reviews)

Essential Anti-Virus

Anti-Virus security ensures you’re totally covered keeping your devices safe from malware, spyware, ransomware, and harmful viruses.

Learn about Essential Anti-Virus >

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 Malware Protection

AV Comparatives Advanced Plus

AV Comparatives Advanced Plus Malware Protection

AV Comparatives Advanced Plus

Virus Bulletin 100 Certified

VB100 Certified

AV Comparatives Advanced Plus Real-World Protection

AV Comparatives Advanced Plus

OPSWAT Certified

OPSWAT Certified

AV Comparatives Advanced Plus Performance

AV Comparatives Advanced Plus

We will keep you virus-free guaranteed

An exclusive automatic renewal service benefit.
Total Defense Virus-Free Guarantee

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.

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We’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.

Total Defense has been a proud supporter of the National Center for Missing & Exploited Children

Rated #1 anti-virus software company on Consumer​Affairs.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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Consumer Affairs - Five Star Rating
Total Defense

Internet Security and Safety Center

Helpful tips and articles with practical steps you can follow to improve your online safety
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

Spring is in the air, and while you might be thinking about decluttering your home, it’s also the perfect time to give your computer a good spring cleaning! Just like your physical space, your digital environment can get cluttered and bogged down over time. A clean computer not only runs better but also helps keep […] Read More»

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