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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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Our virus and malware protection is put through the toughest tests to ensure your are protected.
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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
07.16.25
Smart home needs smart security: don't let your gadgets be a weak link
Our homes are getting smarter every day, aren't they? From smart thermostats that learn your preferences to video doorbells that show you who's at the door, and even smart light bulbs you control with your voice – the Internet of Things (IoT) is rapidly making our lives more convenient. But here's the deal: with every new internet-connected gadget you bring into your home, you're also introducing a potential doorway for cybercriminals.
Think of it like this: your home network is your castle. Every smart device you add – your thermostat, fridge, security cameras, smart plugs – is another window or door. If those windows and doors aren't properly secured, they become an easy way for malware to sneak in or for hackers to peek into your private life. The stakes are definitely high for making sure all your smart apps, devices, and wireless networks are locked down tight!
The Hidden Risks of Your Smart Gadgets:
While smart devices offer incredible convenience, they also come with risks if you don't secure them:
- Malware & Hacking: Yes, even your smart light bulb can get infected! Malware can turn your devices into bots for large-scale attacks, or hackers could take control of your cameras, door locks, or other sensitive gadgets.
- Data Leaks: Many smart devices collect data about your habits, usage, and even sensitive information (like what's happening in your home). If compromised, this data could be exposed.
- Network Entry Points: A vulnerable smart device can act as a backdoor into your entire home network, allowing hackers to then access your computers, phones, and other connected devices.
- Privacy Invasion: Think about smart cameras or microphones. If unsecured, they could provide unintended access to your home's activities.
Your Smart Security Checklist: Lock Down Your Connected Home!
Ready to make sure your smart home is a secure home? Here are some crucial steps you need to take:
- Change Default Router Passwords (IMMEDIATELY!):
- This is the #1 most important step! Your Wi-Fi router is the gateway to your entire home network. Most routers come with a generic, easy-to-guess default username and password (like "admin" / "password" or "admin" / "admin"). Hackers know these defaults and will try them first.
- Action: Log into your router's administration page (check your router's manual or look up its IP address online) and change the default administrator username and password to something strong and unique.
- Upgrade Outdated Wi-Fi Security Protocols:
- Old security protocols like WEP are incredibly easy for hackers to break. If your router is still using WEP, it's basically an open invitation.
- Action: Check your router's settings and ensure you're using WPA2 or, even better, WPA3 encryption. These are much more robust and secure. If your router only supports WEP, it's time for an upgrade!
- Review Your Smart Home Apps & Permissions Periodically:
- Many smart home devices rely on apps installed on your phone or tablet to function. These apps often require extensive permissions to communicate with other devices and send data to cloud servers.
- Action: Go through the smart home apps on your phone/tablet regularly.
- Check Permissions: Review what permissions each app has been granted. Does that smart light bulb app really need access to your contacts or location 24/7?
- Do You Still Need Them? If you no longer use a smart device, uninstall its associated app. Less apps mean less potential vulnerabilities.
- Trust Your Gut: If an app seems suspicious or asks for permissions that don't make sense for its function, investigate it.
- Keep Smart Devices Updated: Just like your phone and computer, smart devices receive firmware updates that patch security vulnerabilities. Check for updates regularly in the device's app or settings.
By taking these "smart" security precautions, you're not just protecting your gadgets; you're safeguarding your entire home network and your personal privacy. Don't let the convenience of IoT turn into a security nightmare!
5 smart steps to take if your personal data has been compromised
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
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Free technical support includes:
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Customer Care
Call 1-877-906-8816
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Customer care assists with:
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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.