Announcing our new 2026 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 (72 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 (42 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

03.10.26

Stay protected: why installing and updating antivirus software is a must

Keeping your devices secure isn’t something you should leave to chance. Every day, cybercriminals develop new tactics to steal personal information, lock files, or compromise your online accounts. That’s why one of the simplest and most effective ways to protect yourself is also one of the most overlooked: installing and regularly updating your antivirus software.

Antivirus protection isn’t just for computers anymore. Today’s threats target everything — laptops, smartphones, tablets, and even smart home devices. If you’re browsing the web, checking email, downloading apps, or connecting to public Wi‑Fi, you need strong, up‑to‑date security tools running in the background.

Let’s break down why antivirus software matters and how to make sure it’s doing its job.

Your Devices Need More Than Just Antivirus

Most people think of antivirus as the main line of defense — and while it’s important, it’s only one part of the equation. A complete security setup includes:

  • Antivirus software to block malware, ransomware, trojans, and other threats
  • Firewalls to monitor incoming and outgoing traffic
  • Web filters to stop dangerous websites before you visit them
  • Antispyware tools to catch programs that secretly track your activity

Together, these tools build a strong shield around your devices and personal information.

Why Updating Matters More Than You Think

Your security software is only as good as its most recent update. Cyber threats evolve constantly, and hackers rely on outdated systems to slip through unnoticed. If you haven’t updated your antivirus in months, it may not recognize newer threats — leaving you vulnerable without even realizing it.

That’s why keeping your software updated is critical. Out‑of‑date security tools offer no real defense against the latest malware, phishing schemes, or online scams.

For best protection:

  • Turn on automatic updates so your software stays current
  • If you prefer manual updates, check for them weekly
  • Make sure all security tools — not just antivirus — are fully updated

A few minutes now can prevent major headaches later.

Stay Protected When Downloading or Using Public Wi‑Fi

Two of the riskiest moments for your device are:

1. When you download something new

Whether it’s an app, a photo, or a document, downloads are a common way malware sneaks in. Always make sure your antivirus software is running and updated before you install anything.

2. When you connect to unfamiliar Wi‑Fi

Public Wi‑Fi — like in hotels, airports, and coffee shops — can expose you to hackers who intercept traffic on the network. Updated security tools help block malicious activity and stop hidden threats from infecting your device.

A Little Maintenance Goes a Long Way

It’s tempting to set up antivirus software once and forget it, but cybersecurity isn’t a one‑time task — it’s an ongoing habit. The good news? Most of the work happens automatically once you’re properly set up.

By installing reliable antivirus software, keeping it updated, and making sure it’s active when you download files or browse on public networks, you dramatically reduce your chances of becoming a victim of cybercrime.

Your devices — and your personal data — deserve that level of protection.


Winter break, winter safety: keeping kids safe online

For many winter break is approaching, many families are looking forward to some much-needed relaxation and quality time together. While the holidays offer opportunities for fun and enjoyment, it’s important to remember that they also present potential online dangers. Here are some tips to help you keep your kids safe online during their break: 1. […] Read More»

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