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PC-Tune Up
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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
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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.

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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.

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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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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

07.16.25

Smart home needs smart security: don't let your gadgets be a weak link

Our homes are getting smarter every day, aren't they? From smart thermostats that learn your preferences to video doorbells that show you who's at the door, and even smart light bulbs you control with your voice – the Internet of Things (IoT) is rapidly making our lives more convenient. But here's the deal: with every new internet-connected gadget you bring into your home, you're also introducing a potential doorway for cybercriminals.

Think of it like this: your home network is your castle. Every smart device you add – your thermostat, fridge, security cameras, smart plugs – is another window or door. If those windows and doors aren't properly secured, they become an easy way for malware to sneak in or for hackers to peek into your private life. The stakes are definitely high for making sure all your smart apps, devices, and wireless networks are locked down tight!


The Hidden Risks of Your Smart Gadgets:

While smart devices offer incredible convenience, they also come with risks if you don't secure them:

  • Malware & Hacking: Yes, even your smart light bulb can get infected! Malware can turn your devices into bots for large-scale attacks, or hackers could take control of your cameras, door locks, or other sensitive gadgets.
  • Data Leaks: Many smart devices collect data about your habits, usage, and even sensitive information (like what's happening in your home). If compromised, this data could be exposed.
  • Network Entry Points: A vulnerable smart device can act as a backdoor into your entire home network, allowing hackers to then access your computers, phones, and other connected devices.
  • Privacy Invasion: Think about smart cameras or microphones. If unsecured, they could provide unintended access to your home's activities.

Your Smart Security Checklist: Lock Down Your Connected Home!

Ready to make sure your smart home is a secure home? Here are some crucial steps you need to take:

  1. Change Default Router Passwords (IMMEDIATELY!):
    • This is the #1 most important step! Your Wi-Fi router is the gateway to your entire home network. Most routers come with a generic, easy-to-guess default username and password (like "admin" / "password" or "admin" / "admin"). Hackers know these defaults and will try them first.
    • Action: Log into your router's administration page (check your router's manual or look up its IP address online) and change the default administrator username and password to something strong and unique.
  2. Upgrade Outdated Wi-Fi Security Protocols:
    • Old security protocols like WEP are incredibly easy for hackers to break. If your router is still using WEP, it's basically an open invitation.
    • Action: Check your router's settings and ensure you're using WPA2 or, even better, WPA3 encryption. These are much more robust and secure. If your router only supports WEP, it's time for an upgrade!
  3. Review Your Smart Home Apps & Permissions Periodically:
    • Many smart home devices rely on apps installed on your phone or tablet to function. These apps often require extensive permissions to communicate with other devices and send data to cloud servers.
    • Action: Go through the smart home apps on your phone/tablet regularly.
      • Check Permissions: Review what permissions each app has been granted. Does that smart light bulb app really need access to your contacts or location 24/7?
      • Do You Still Need Them? If you no longer use a smart device, uninstall its associated app. Less apps mean less potential vulnerabilities.
      • Trust Your Gut: If an app seems suspicious or asks for permissions that don't make sense for its function, investigate it.
  4. Keep Smart Devices Updated: Just like your phone and computer, smart devices receive firmware updates that patch security vulnerabilities. Check for updates regularly in the device's app or settings.

By taking these "smart" security precautions, you're not just protecting your gadgets; you're safeguarding your entire home network and your personal privacy. Don't let the convenience of IoT turn into a security nightmare!


5 smart steps to take if your personal data has been compromised

In today’s hyper-connected world, data breaches are more common than ever. Whether it’s a major retailer, a social media platform, or even your favorite food delivery app, chances are your personal information has been exposed at some point. But don’t panic—what matters most is how you respond. If you’ve received that dreaded “your data may […] Read More»

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