Try our Best Antivirus Protection Free for 30 Days
Free Trial DownloadStart 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
Our virus and malware protection is put through the toughest tests to ensure your are protected.
Learn More >
Free US Tech Support
Our friendly US-based team is standing by to assist with customer care & technical support.
Learn More >
Money Back Guarantee
If you’re not completely satisfied, we’ll refund your money within 60 days of purchase.
Learn More >
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…
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.
Free Trial Download
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.

Rated #1 anti-virus software company on ConsumerAffairs.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>


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
11.02.25
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
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

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.







