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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.
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We’re so confident in our virus protection, we will remove it for free or give your money back.
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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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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
09.08.25
Don't get bugged–your guide to battling malware
We’ve all been there: a strange pop-up appears, your computer starts running slower than a sleepy snail, or you're getting redirected to websites you didn't ask for. Chances are, you’ve got a case of malware. Malware, short for malicious software, is a sneaky digital invader designed to steal your data, damage your device, or simply cause a ruckus. But don’t worry, you're not helpless. By following a few simple steps, you can protect yourself from, detect, and even remove these digital pests.
Part 1: Protection Is Your Best Defense
An ounce of prevention is worth a pound of cure, especially with malware. The best way to deal with a malware infection is to never get one in the first place!
- Be a Smart Surfer: The internet is a vast and sometimes risky place. Avoid clicking on suspicious links in emails or on websites. If a deal seems too good to be true, it probably is. Never open email attachments from people you don’t know. Remember, hackers often disguise malware as an invoice, a photo, or an urgent warning.
- Use Antivirus Software: This is your first line of defense. Reputable antivirus software, like the kind Total Defense offers, constantly scans your device for threats and can block malicious files before they ever get a chance to do harm. Make sure your antivirus is set to update automatically so it can protect you from the newest threats.
- Keep Your Software Updated: Those annoying update notifications for your operating system and web browser are your friends! They often contain crucial security patches that fix vulnerabilities hackers have found. Enabling automatic updates is a simple way to stay protected.
- Download from Trusted Sources: Only download apps and software from official app stores (like Google Play or the Apple App Store) or reputable websites. Third-party sites often bundle malware with the software you think you're getting.
Part 2: Detection – Spotting the Signs
Malware can be sneaky, but it often leaves clues. Be on the lookout for these red flags:
- Sluggish Performance: Is your computer or phone suddenly slow for no reason? This could be a sign that malware is running in the background, using up your device's resources.
- Unusual Pop-ups or Ads: A sudden increase in pop-up ads, especially ones that are difficult to close, can be a sign of adware, a type of malware.
- Unexpected Crashes: If your device is freezing or crashing more often than usual, it could be a symptom of a deeper problem.
- Redirected Browsing: Are you being redirected to websites you didn't intend to visit? This is a classic sign of malware hijacking your browser.
Part 3: Removal – Taking Out the Trash
If you suspect you have malware, don’t panic. Here’s how to deal with it:
- Disconnect from the Internet: This is your first step. Disconnect your device from Wi-Fi and unplug your network cable. This prevents the malware from communicating with its master server and spreading to other devices on your network.
- Run a Full Scan: Use your trusted antivirus software to run a full system scan. This will find and quarantine any malicious files it finds.
- Delete the Malware: Follow the instructions from your antivirus program to delete the infected files. If you can't, a deep scan or a second opinion from another reputable security tool might be necessary.
- Change Your Passwords: Once you’re sure your device is clean, change all your passwords, especially for banking and email accounts.
By following these steps, you can keep your devices clean, your data safe, and your digital life free from malware-induced headaches.
The rise of QR Code Phishing (Quishing): How to stay safe in 2025
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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.