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
free trial

Try our Best Antivirus Protection Free for 30 Days

Free Trial Download

Start 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
VB100 Certified

Our virus and malware protection is put through the toughest tests to ensure your are protected.

Learn More >

Free US Tech Support
Free US Tech Support

Our friendly US-based team is standing by to assist with customer care & technical support.

Learn More >

Money Back Guarantee
Money Back Guarantee

If you’re not completely satisfied, we’ll refund your money within 60 days of purchase.

Learn More >

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.

Learn More >

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

All Reviews | Write A Review

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

All Reviews | Write A Review

 

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

All Reviews | Write A Review

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

All Reviews | Write A Review

 

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

All Reviews | Write A Review

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

All Reviews | Write A Review

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
Learn More >
$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.

»Important terms and offer details

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.
Read reviews from our customers>
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

03.01.26

Why security software with automatic updates are your best defense

In today’s digital world, your computer isn’t just a tool—it’s the hub of your family’s financial life, personal memories, private conversations, and daily routines. That’s exactly why scammers, hackers, and malware authors work around the clock to find new ways to sneak into your system. The good news? Protecting your home devices doesn’t have to be complicated. It starts with one simple habit: Use security software that updates automatically.

Let’s walk through why this matters, what threats modern families face, and how tools like our Ultimate Internet Security help keep you safe with almost zero effort on your part.

Cyber Threats Move Fast—Your Protection Should Too

Hackers are constantly releasing new malware, ransomware, and phishing tools designed to slip past outdated security defenses. When your antivirus software isn’t current, it’s like locking your front door but leaving the windows open.

Automatic updates ensure your protection stays one step ahead. Every update includes:

  • New malware definitions
  • Fixes for emerging vulnerabilities
  • Improved detection engines
  • Stronger shields against phishing and fraud

These updates run quietly in the background so you don’t have to remember anything—and that’s key to staying safe.

Why Updated Security Software Protects Your Family Better

Your family’s devices store some of your most sensitive information: bank logins, saved passwords, tax documents, medical details, photos, and more. When your software is outdated, cybercriminals can exploit weak points to steal or damage that data.

Automatic updates help protect you from:

Scammers and phishing attacks

Modern security suites identify suspicious links and fake websites before you click.

Hackers trying to break into your system

Updated firewalls and behavioral monitoring stop intrusions early.

Malware and ransomware

New malware appears daily—automatic updates help detect threats as soon as they’re discovered.

Shady downloads and malicious ads

Your security software scans files instantly and blocks harmful downloads in real time.

With continuous protection, your computer is far less likely to pick up “bad programs” that can compromise your finances or personal data.

Why Automatic Updates Beat Manual Updates Every Time

Sure, you could update your software manually—but life gets busy. Kids, work, school, errands… updates are easy to forget.

Automatic updates fix that problem instantly by:

  • Running silently in the background
  • Installing the newest protections without prompts
  • Ensuring no device goes unprotected
  • Closing security gaps before hackers can use them

That’s why we recommend tools like Ultimate Internet Security, which automatically updates itself to keep your system—and your family—protected without you having to lift a finger.

Simple Steps to Stay Safer Online

You don’t need to be tech‑savvy to improve your security. Start with these easy habits:

  • Install reliable security software on every device
  • Turn on automatic updates—for both your security software and your operating system
  • Avoid downloading apps or programs from unknown sources
  • Run regular scans (even if automatic protection is enabled)
  • Enable real‑time protection features

These small steps make a big difference in reducing your vulnerability to online threats.

Bottom Line: Automatic Security = Peace of Mind

Keeping your devices protected doesn’t need to be stressful. With security software that updates automatically, you get strong, always‑on protection that shields your entire family from evolving online threats.


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»

Questions? Our friendly award winning US-based support team is happy to help and it’s free.

1-877-906-8816 Weekdays 9am – 5pm, Eastern Time USA

Customer Service Team of the Year - Cyber Security Excellence 2022 Globee Award Gold Customer Service Department of the Year - 2022 Stevie Awards Bronze