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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.
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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

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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

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

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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
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5 Devices
10GB Online Backup
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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

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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

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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

07.20.25

The ransomware trap: how phishing emails try to lock up your data

Hey everyone! Imagine this nightmare scenario: you try to open a file on your computer, and suddenly you can't access anything. All your photos, documents, spreadsheets – everything is locked. Then, a message pops up demanding money to get your files back. That, my friends, is ransomware, and it's one of the scariest cyber threats out there.

Think of ransomware like a digital kidnapper for your data. It encrypts your files, making them unreadable, and then demands a "ransom" (usually in cryptocurrency) for the decryption key. And guess what's one of the most common ways this nasty digital hostage-taker sneaks onto your computer? You guessed it: phishing emails!

Phishing: The Sneaky Delivery Method

Phishing emails are designed to trick you. They often look incredibly legitimate, making it seem like they're from an organization you trust (like your bank, a shipping company, a government agency, or even a well-known service like Netflix). Sometimes, they even pretend to be from someone you know, like a colleague, friend, or family member!

The goal of these emails is simple: to get you to do something you shouldn't, like clicking on a malicious link or opening a dangerous attachment.

  • The Malicious Link: You might see a link that looks like it goes to a legitimate website, but it actually takes you to a fake page designed to steal your login info or, worse, to a site that automatically downloads malware onto your computer.
  • The Malicious Attachment: The email might include an attachment (like a "delivery notice," an "invoice," or a "resume") that seems harmless. But when you open it, boom! The ransomware code gets unleashed onto your system.

The "Drive-By Download" – Even Sneakier!

Sometimes, ransomware can even infect your computer without you actively clicking a link or opening an attachment. This is called a "drive-by download." How does it work? You might visit a seemingly normal website that has secretly been compromised by hackers. Without your consent, or even your knowledge, a malicious program automatically downloads itself to your computer just by you visiting that page.

In some cases, this malicious code might even run without any further interaction from you after it downloads. Once that code executes, your computer becomes infected, and the ransomware goes to work, locking up your files.

Your Ransomware Defense Strategy: Be Hyper-Vigilant!

So, how do we protect ourselves from these sneaky attacks?

  1. Inspect Emails Like a Detective:
    • Check the Sender: Look closely at the "From" email address. Is it exactly right, or are there subtle misspellings (e.g., "Amaz0n" instead of "Amazon")?
    • Hover Over Links: Before you click any link, hover your mouse cursor over it (don't click!). Does the URL that pops up match where you expect to go? If it looks suspicious, don't click!
    • Beware of Urgency & Threats: Scammers love to create panic ("Your account will be suspended!") or offer irresistible deals. These are red flags.
    • Verify Attachments: If an email (especially an unexpected one) has an attachment, be extremely cautious. If you're unsure, contact the sender directly through a separate, verified channel (like calling them or sending a new email, not replying to the suspicious one) to confirm it's legitimate.
  2. Keep Your Software Updated:
    • Regularly update your operating system (Windows, macOS, Android, iOS), web browser, and all your applications. These updates often include critical security patches that close vulnerabilities ransomware might try to exploit.
  3. Use Robust Security Software:
    • Invest in and keep up-to-date antivirus and anti-malware software. These tools can often detect and block ransomware before it does damage.
  4. Back Up Your Data (Regularly and Offline!):
    • This is your ultimate safety net! If the worst happens and you get hit by ransomware, you can simply wipe your system clean and restore your files from a recent backup. Make sure your backups are stored offline or in a secure cloud service not constantly connected to your computer.

Ransomware is a nasty threat, but by being savvy about phishing emails and practicing good cybersecurity habits, you can dramatically reduce your risk of becoming its next victim. Stay alert, stay safe!


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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