Announcing our new 2025 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 (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
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 (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.

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

07.21.25

Sharing smart: master Google Doc permissions to keep your docs secure

Hey everyone! Google Docs is an absolute lifesaver for collaboration, isn't it? Whether you're working on a team project, sharing notes with classmates, or even planning a family vacation, the ability to share and edit documents in real-time is incredibly powerful. But here's the crucial thing: with great sharing power comes great responsibility! If you don't set your sharing permissions carefully, you could accidentally expose sensitive information to the wrong people.

Think of it like handing out keys to your house. You wouldn't give everyone a master key that lets them rearrange your furniture, would you? The same goes for your Google Docs. You need to choose the right "key" (permission level) for each person or group you share with. Understanding these settings is super important for keeping your documents as secure as possible and preventing accidental data leaks.

Why Sharing Permissions Matter (A Lot!):

  • Preventing Accidental Exposure: Imagine sharing a sensitive financial document or a confidential work proposal with "anyone with the link." Suddenly, anyone who stumbles upon that link (or has it passed around) can see your private info.
  • Controlling Edits: If you set a document to "Anyone with the link can edit" and it falls into the wrong hands, someone could vandalize your work, delete important sections, or insert malicious content.
  • Limiting Scope: You want your shared document to reach its intended audience and only its intended audience. Incorrect permissions can broaden that audience far beyond what you intended.
  • Reputation Damage: Accidentally leaking sensitive info can damage your personal or professional reputation, and even lead to bigger issues for your business.

Your Google Docs Sharing Playbook:

When you click that "Share" button in Google Docs, you'll see a few key options. Let's break them down and talk about how to use them smartly:

  1. "Restricted" (The Safest Default!):
    • This is typically the default setting, and it's the safest. When a document is "Restricted," only people you explicitly add by their email address can open it.
    • Why it's great: You have total control over who sees your document. If you share sensitive information, this is almost always your best bet.
  2. "Anyone with the link" (Use with Caution!):
    • This setting makes your document accessible to anyone who has the unique link, even if you haven't explicitly added them by email.
    • Why it's risky: If this link gets posted publicly, shared in an insecure message, or simply guessed, your document is wide open.
    • When to use it: Only for documents that are genuinely public, like a community event flyer, a publicly accessible resource, or something you want everyone to see.
  3. Specific Domain Restriction (Great for Organizations!):
    • Some organizations using Google Workspace can set permissions to restrict access to people within their specific domain (e.g., only users at yourcompany.com).
    • Why it's great: It allows easy internal collaboration while keeping the document protected from external access.

Permission Levels: Who Can Do What?

Once you choose who can access your document, you also need to decide what they can do. You'll usually see these options:

  • "Viewer" (View-Only):
    • This is the safest default permission level. People can see your document but can't make any changes.
    • When to use it: Most of the time! If you're just sharing information, giving a presentation, or sending out a final report, "Viewer" is usually all you need.
  • "Commenter":
    • People can view your document and add comments, but they can't directly edit the text.
    • When to use it: When you want feedback or suggestions without allowing direct modifications to the content.
  • "Editor":
    • People can view, comment on, and make direct changes to your document. They have full control over the content.
    • When to use it: Only when you're actively collaborating with trusted individuals who need to contribute directly to the document's content.

Before you hit "Share," always take an extra second to review those permissions! The default "Viewer" access for "Restricted" documents is almost always your safest bet. By being mindful and making smart choices about your Google Docs sharing settings, you ensure your information stays secure and only reaches the eyes you intend.


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»

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