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More secure and easier to use than ever.

Ultimate Internet Security
Premium Internet Security
Essential Anti-Virus
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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 (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
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 (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.

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.

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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

06.14.25

Your secret weapon: why Bcc is your email's best friend

How often do you send an email to a group of people? Maybe it's a message to your kid's soccer team, an update to your book club, or an invitation to a family gathering. When you hit "compose," you might naturally drop everyone's email addresses into the "Cc" (Carbon Copy) field. But here's a crucial tip for keeping everyone's privacy intact and staying a step ahead of spammers: make "Bcc" your new best friend!

Think of "Cc" as shouting everyone's email address to the entire group. Every single person who receives that email can see everyone else's address. Now, imagine if one of those recipients accidentally replies-all to a huge list, or worse, their email account gets hacked and that entire list of addresses falls into the wrong hands. Suddenly, a simple group email has turned into a privacy nightmare, exposing everyone on that list to potential spam, phishing attacks, and unwanted messages.

The Problem with Overusing "Cc":

  • Privacy Invasion: Not everyone wants their email address shared with a bunch of strangers, or even casual acquaintances. It's a breach of their privacy.
  • Spam Risk: If an email list gets exposed (e.g., through a data breach of one recipient's account), all those visible email addresses become targets for spammers and cybercriminals.
  • Reply-All Disasters: We've all seen those epic "reply-all" storms. When everyone's email is visible, it's easier for someone to accidentally (or intentionally) reply to the entire list, creating a chaotic and annoying email thread.
  • Phishing Bait: Cybercriminals actively collect email addresses for their phishing campaigns. A publicly exposed list makes their job much easier.

Embrace the Power of "Bcc": Your Email Privacy Protector!

"Bcc" stands for Blind Carbon Copy. This magical field allows you to send an email to multiple recipients without any of them seeing who else received the message. Each recipient only sees their own email address in the "To" field (or your email address if you put yourself in the "To" field).

Here's why you should use "Bcc" whenever your recipients don't specifically need to see each other's email addresses:

  • Ultimate Privacy: This is the biggest win! Everyone on the Bcc list gets the email, but their email addresses remain completely hidden from other recipients. Your contacts will definitely appreciate this thoughtfulness.
  • Spam Prevention: By keeping email addresses private, you dramatically reduce the chances of your contacts' addresses being scooped up by spammers or being exposed in a breach originating from someone else's compromised inbox.
  • Avoids Reply-All Chaos: If recipients can't see the full list, they can't accidentally (or intentionally) reply to everyone. This keeps your inbox cleaner and prevents those dreaded group email sagas.
  • Professionalism: Using Bcc for large groups or non-interconnected recipients is a sign of good email etiquette and professionalism.

How to Use "Bcc" in Your Email Client:

Most email clients (Gmail, Outlook, Yahoo Mail, etc.) make it easy to use Bcc. When you're composing a new email:

  1. Look for the "To" and "Cc" fields.
  2. You'll usually see a "Bcc" option or button right next to them, or you might need to click a small link like "Bcc" to make the field appear.
  3. Click on the "Bcc" field and then add all the email addresses you want to include in your message.

Making "Bcc" your go-to for group emails is a simple habit that offers huge benefits for privacy and security. It protects your contacts from unnecessary exposure and helps keep their inboxes (and yours!) safer from spam and phishing. Start using Bcc today – your contacts will thank you!


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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