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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.
VB100 Certified
Our virus and malware protection is put through the toughest tests to ensure your are protected.
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Our friendly US-based team is standing by to assist with customer care & technical 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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Protection for all the devices in your home
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
Our other popular internet security software choices, to keep you and your devices safe.
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.
Essential Anti-Virus
Anti-Virus security ensures you’re totally covered keeping your devices safe from malware, spyware, ransomware, and harmful viruses.
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
AV Comparatives Advanced Plus
VB100 Certified
AV Comparatives Advanced Plus
OPSWAT Certified
AV Comparatives Advanced Plus
We will keep you virus-free guaranteed
An exclusive automatic renewal service benefit.
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 detailsWe’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.

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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
Total Defense Security Tip of the Day
11.15.26
Download software only from reputable sources: How to avoid malware in disguise
Installing a new program can feel routine, but one careless download can hand a criminal your passwords, files and bank details. Before you install anything, confirm that the software comes from the company that makes it—or from an official app store. That one pause is your best defense against malware disguised as a useful tool.
The scale of online crime shows why it matters. The FBI’s 2025 Internet Crime Report recorded 1,008,597 complaints and $20.877 billion in reported losses. That total covers internet crime broadly, not just malicious downloads, but it shows how much is at stake when you let an unverified program onto your device.
How can a software download be malware in disguise?
Criminals copy the look of trusted brands. They build fake download pages, buy search ads, post bogus links on social media and bundle spyware with “free” tools. Microsoft’s security researchers have tracked counterfeit software-download sites that impersonate trusted vendors to distribute malicious installers. The page looks right, the button works and the harm starts when you open the file.
What should you ask before you install any software?
Run through these three questions every time:
- How did I find this software? Did you search for it on purpose, or did a pop-up, ad, email or message find you? Unsolicited offers deserve suspicion.
- What does the program claim to do? Be wary of tools that promise to “cure” your computer, speed it up magically or remove viruses it says it just found.
- Do I actually need it, and what are others saying? Read recent reviews from independent sites. If you cannot find any, skip the download.
Where is it safe to download software?
Stick to the maker’s official website, which you reach by typing the address yourself, or to your device’s official app store, such as the Microsoft Store, Mac App Store, Google Play or Apple App Store. The FTC advises that you go to a software website by typing in the address instead of clicking an ad, and avoid unfamiliar sites for free downloads. Skip peer-to-peer file-sharing sites and cracked or “free” versions of paid programs, which often carry hidden malware.
How do you download software safely, step by step?
- Start with the source. Type the company’s web address or open the official app store. Do not click search ads or links in unexpected messages.
- Check the details. Look for the exact company name, a secure connection and a clear privacy policy. Watch for misspelled domains and extra words in the address.
- Read independent reviews. Search the program name with “review” and “scam” to see what other users report.
- Review permissions. Decline access to contacts, files, camera or microphone unless the program truly needs it.
- Scan before you open. Let your security software check the file. Never turn off protection because an installer tells you to.
- Keep it updated. Turn on automatic updates so security patches arrive without effort, and delete programs you no longer use.
What should you do if you already installed something suspicious?
Act fast. Disconnect from the internet, then run a full scan with trusted security software. Uninstall the program, and from a different clean device, change your passwords, starting with your email and bank. Turn on multifactor authentication and watch your accounts for unfamiliar activity. If you entered payment details, call your card issuer using the number on your card.
Make safe downloading a habit
Choosing reputable sources keeps your passwords, photos and financial details out of criminals’ hands. It also means fewer unknown programs running on your device, fewer surprise pop-ups and a much smaller target for attackers. Before your next install, ask the three questions above, then share this checklist with a friend or family member who loves free downloads.
How to protect your devices, passwords, and online accounts while traveling
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60 Day Money Back Guarantee
Money Back Guarantee Program
Total Defense is committed to helping you with your refund. If our product does not meet your expectations for any reason, we will provide a full refund within 60 days of your purchase.
Virus Protection Assurance Program
Virus Protection Assurance Program
An exclusive benefit for customers enrolled in the Automatic Renewal Service.
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 detailsFree US-Based Support Team
Need Assistance?
US-Based Support • Weekdays 9am – 5pm, Eastern Time USA
Technical Support
Call 1-866-305-7989
or Email
Free technical support includes:
- Download and installation
- Activation and configuration
- Removal of conflicting AV software
- Updates and upgrades
Customer Care
Call 1-877-906-8816
or Email
Customer care assists with:
- Sales and orders
- Account information
- Renewals
- Refunds
- Rebates
- Billing Inquiries
The VB100 Award
VB100 Certification
The VB100 award is a certification of products which meet the basic standards required to be recognized as legitimate and properly functioning anti-malware solutions.
To display a VB100 logo, a product must:- Prove it can detect 100% of malware samples listed as ‘In the Wild’ by the WildList Organization
- Generate no false positives when scanning an extensive test set of clean samples.
- All this must be done with default, out-of-the-box settings in the VB lab environment.







