Announcing our new 2025 internet security product line.
More secure and easier to use than ever.

Ultimate Internet Security
Premium Internet Security
Essential Anti-Virus
Essential Anti-Virus for Mac
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 (71 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 (41 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 (35 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.

Free Trial Download
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
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

08.12.25

New computer? don't connect without Antivirus!

There's nothing quite like the feeling of unboxing a brand-new computer. It's clean, it's fast, and it's ready to go. But before you get too excited and connect it to the internet, you need to take one of the most critical steps in protecting your new digital life: installing antivirus software.

Think of it like this: the internet is a bustling city, and while most of it is great, there are some dangerous neighborhoods. Connecting your new, unprotected computer to the internet is like walking into that city for the first time without a shield or a map. It's an open invitation for viruses, malware, and other cyber threats to come in and wreak havoc on your brand-new system.

Your Antivirus Software: The Digital Protector

Antivirus software is your computer's best defense against a wide range of cyberattacks. It's designed to constantly stand guard, scanning your computer's files and memory for any signs of malicious code. Here’s a bit about how it works and why it's so important:

  • Signature-Based Detection: Antivirus programs primarily work by using "signatures." These are like fingerprints for malware. Security vendors, like the one you might use, constantly identify new viruses and create unique signatures for them. The antivirus software on your computer then looks for these specific patterns in your files, instantly alerting you if it finds a match.
  • Proactive Defense: Antivirus isn't just about finding existing malware; it's also about preventing new threats from ever getting on your system. It can block suspicious websites, quarantine files before they cause harm, and stop malicious software from running in the first place.

The Golden Rule: Keep It Updated!

Installing antivirus software is only half the battle. The real power of your protection comes from keeping it up-to-date. Why? Because cybercriminals are always creating new threats.

  • Constant Updates: Security vendors frequently release new signatures to combat newly discovered malware. If your software isn't updated, it won't be able to recognize these new threats. An outdated antivirus program is like a shield with a giant hole in it—it can't protect you from the newest attacks.
  • Automatic Updates Are a Lifesaver: Many reputable antivirus programs offer automatic updates. This is a huge win! You can enable this feature and your software will always have the most current signatures without you having to lift a finger. If your program doesn't have this feature, make it a habit to manually update the software regularly.
  • Download from Reputable Sources: When you do install antivirus software, make sure you're getting it from a trusted source like Total Defense, such as the vendor's official website. Never download antivirus from a random email or a pop-up ad, as those are often malicious programs themselves disguised as security tools.

So, before you download files, check your email, or browse the internet on your new computer, make sure you've installed a reputable antivirus program and turned on automatic updates. It's the most critical first step to ensuring your new device stays safe and secure for years to come.


The rise of QR Code Phishing (Quishing): How to stay safe in 2025

Remember when QR codes were a quirky novelty? We’d scan them to visit a website or get a discount at a store. Fast forward to today, and they’re everywhere! We scan them to view restaurant menus, pay for parking, board a flight, or even log in to our bank accounts. They’re incredibly convenient, but with […] Read More»

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