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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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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

11.02.25

Why you shouldn't use your admin account every day

You love convenience, right? It’s easy to just log into your computer with the one account that lets you do everything: install new programs, change system settings, update drivers—the works. That one account is your Administrator account (or "Admin" account).

While having this power feels great, using your Admin account for daily tasks—like browsing the web, checking email, or just scrolling social media—is actually a huge security risk. It’s like carrying the keys to your entire digital kingdom in your pocket every single day. If you lose those keys, the damage is catastrophic.


The Danger of Having Too Much Power

Admin accounts are powerful because they extend special permissions that regular accounts don't have. They can modify core system files, manage security settings, and make sweeping changes to your device.

The bad news is that if your device is lost, stolen, or, most commonly, hacked, these administrator capabilities could be implemented by the attacker to cause serious harm.

1. Malware Goes Straight to the Core

When you browse the internet or open an attachment while logged in as an Admin, any malicious software (malware) that manages to infect your system automatically inherits those same high-level permissions.

  • A virus or ransomware can then easily install itself deep into the operating system.
  • It can disable your antivirus program.
  • It can access and encrypt all files on all user profiles.
  • It can install permanent "backdoors" that allow hackers to return later.

If you were logged in with a standard, non-admin account, the malware would hit a roadblock. It would lack the necessary permission to make system-wide changes, effectively sandboxing the damage.

2. The Phishing Catastrophe

Let's say you fall for a sneaky phishing scam and click a malicious link. If you are an Admin, that malicious website or file can instantly run a damaging script with full system privileges.

If you are using a standard account, the system will often prompt you for an administrator password before allowing a major change. This provides a crucial moment for you to stop and think—"Wait, why is my web browser asking for my admin password?" This pause can save your entire system.

Your Active Solution: Set Up a Second Account

Protecting yourself is simple: set up a second account for daily use, one without Admin privileges.

  • Create a Standard User Account: Use this account for all your routine, everyday tasks: checking email, watching videos, reading news, social media, and word processing.
  • Reserve the Admin Account: Keep your Admin account strictly locked down. Only log into it when you absolutely must perform a system-level task, such as installing new software or running major updates.

By making this small change, you practice the principle of "Least Privilege." You give yourself (and any potential threats) only the level of access needed to perform a task. If disaster strikes, your Admin keys stay safe, and the damage remains minor and isolated to a limited profile.

Take a few minutes today to check your user accounts and set up a standard profile. It's the simplest way to give your computer an essential layer of digital armor.


Building a Cyber Strong America: How You Can Help During Cybersecurity Awareness Month

October marks Cybersecurity Awareness Month, a global initiative that encourages individuals and organizations to take proactive steps to protect themselves online. In 2025, the theme is “Building a Cyber Strong America,” a call to action for everyone—from government agencies to private companies and everyday internet users—to strengthen our collective defenses against cyber threats. Cybersecurity isn’t […] Read More»

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