Powerful malware protection.

On demand and real-time security – keep your devices free of viruses and ransomware.

Award
Winning
Protection

Introducing our new updated internet security product line.
More secure and easier to use than ever.


 
Total Defense

Essential Anti-Virus

4.8(11 Reviews)
$29.99
$49.99
Save 33%
3 Devices
 
Windows
 
Total Defense

Ultimate Internet Security

4.8(16 Reviews)
$99.99
10 Devices
25GB Online Backup
Windows Mac Android

Compare Features

Total Defense

Essential


Total Defense

Ultimate


Number of devices protected
3
5
10
Free US-based support orange tick orange tick orange tick
Free expert installation and upgrades orange tick orange tick orange tick
Devices protected without impacting performance orange tick orange tick orange tick
Prevents latest viruses, spyware, ransomware threats orange tick orange tick orange tick
Consolidated system alerts and changes report orange tick orange tick orange tick
Secure multiple pcs, macs, smartphones, and tablets orange tick orange tick orange tick
Secure cloud storage - disaster-proof your files
10GB
25GB
Anti-phishing - block suspicious emails and websites orange tick orange tick
Family protection - keep kids safe from online threats orange tick orange tick
Secure online transactions while you bank and shop orange tick orange tick
Speed-up PC start times - smart PC optimization orange tick
Peak performance - automatic scans, fixes and updates orange tick
Automatic patches to vulnerable software and applications orange tick
$29.99
$49.99
Save 33%
$59.99
$79.99
Save 25%
$99.99
*For home use only, for Small Business use contact support at 1-877-906-8816
Buy with Confidence
Free US-Based Support
Certified Secure Checkout
60 Day Money Back Guarantee

Ultimate internet security for all your devices

Ultimate Internet Security - Best Malware Protection

Our bestseller – Premium takes the guesswork out of internet security

Premium Internet Security - Bestselling Anti-virus Security

Essential anti-virus protection for your PC

Essential Anti-virus - Best Malware Security

Award winning internet security software

Ultimate Internet Security - Award Winning Anti-virus Protection

Block ransomware, viruses, and other dangerous malware

Premium Internet Security - Best Malware Scanning

Convenient scan scheduling - set it and forget it

Essential Anti-virus - Best Anti-virus Scans


Virus-free, Hassle-free, Worry-free.

We're so confident in our protection we guarantee that your PC or device will stay virus-free.

Our friendly US-based team is standing by to assist with customer care & technical support.

If you're not completely satisfied, we'll refund your money within 60 days of purchase.

Powerful virus detection that doesn't slow you down.

Detect and remove any threat, without negative impact on your speed and performance.

High Threat Detection
With dual malware scanning engines and cloud-based technology, we don't wait around for threats to strike, but proactively protect your devices by detecting the latest viruses, spyware, ransomware, and other online threats.
Low Performance Impact
Total protection — powerful virus detection that doesn't slow you down. Innovative technologies automatically detect and remove any threat, without negative impact on your speed and performance. Turn it on and forget about it.
RAP Tests
Virus Bulletin
February 2018

Total customer satisfaction is our ultimate goal.

Don't take our word for it...

  • Ultimate Internet Security
    I have enjoyed using Total Defense PC Tune-Up. I have used it regularly for a few years. I always felt my computer is working smoothly and have not experienced crashes since...
    5.00
  • Ultimate Internet Security
    Very satisfied. Would highly recommend it to all my friends. My computer is running much faster. I know I can dial the phone and talk to a live person to solve any problem I may...
    4.50
  • Ultimate Internet Security
    Tech support quickly got the mobile app to open up on remoting in and stayed with me as additional questions arose. Glad to be able to use Total Defense in my cell phone now as...
    4.50
  • Ultimate Internet Security
    Great Mobile protection. I was experiencing problems on my phone over the weekend. Thought I had issues but I didn't - thanks to talking to support. They walked me through what...
    5.00
  • Ultimate Internet Security
    Support was extremely helpful online as well via e-mail in resolving my issue with a re-installation on my Mac Computer. He is extremely knowledgeable about the product and the...
    4.50
  • Ultimate Internet Security
    There have not been any incidents since installing this product on my computer. Protects as promised, and I highly recommend Total Defense over the other leading software that...
    5.00
  • Ultimate Internet Security
    Great antivirus product. My experience with the Total Defense Antivirus Software has been exceptional on both my kids\' windows laptops. I decided to purchase it and I could not...
    5.00
  • Ultimate Internet Security
    Support was great in getting my Mac anti-virus installed. They found the problem and eventually brought protection to my computer. Best part was that he was patient with me....
    5.00
  • Ultimate Internet Security
    I have had Total Defense Internet Security for several years and I would recommend it to everyone. It is an easy to use security program and we really like it.
    5.00
  • Ultimate Internet Security
    When you install Total Defense Premium on your laptop, there's no need for other standalone security/anti virus products. Total Defense Premium is a true all-in-one security...
    4.00
  • Ultimate Internet Security
    The scans run right on time and it runs a scan every time you install a new app on my phone also. I have it connected to my phone also. I do like that if there is any trouble...
    5.00
  • Ultimate Internet Security
    Excellent computer security program. Takes great care of my laptop.
    4.00
  • Ultimate Internet Security
    TD is such an awesome company! I have been a customer for almost 5 years. Tech Support is to die for! They are friendly, courteous and patient with your problem, no matter how...
    5.00
  • Ultimate Internet Security
    Never a problem. Very easy to load and use. If tech help is needed they are only a phone call away. Very happy with Total Defense.
    5.00
  • Ultimate Internet Security
    When I bought my Windows 10 PC I got Total Defense Internet Security. I am glad I did. It does a wonderful job of protecting my PC without slowing it down. I will definitely be...
    4.50
  • Ultimate Internet Security
    Support helped me install this product when I called, they were very kind and patient. I got all the information about the security product settings and the anti theft options....
    5.00
  • Ultimate Internet Security
    Very happy, great mobile security app, keep up the good work. Thanks for your help when I needed it most.
    5.00
  • Ultimate Internet Security
    Tech support did a great job getting my Android mobile phone secured. Thank you.
    4.00
  • Ultimate Internet Security
    I had another great experience with Total Defense. Total Defense support team has helped me so much working with my mobile phone he helped me get the security on the phone that...
    5.00
  • Ultimate Internet Security
    I have never had a problem since installing Total Defense on my iMac. The technicians are always very helpful if I have any questions with installations or any other topic....
    4.50
  • Ultimate Internet Security
    100% satisfied with Total Defense. Highly recommended. Thank you Support for all your help with my PC Tune-Up!
    5.00
  • Ultimate Internet Security
    I have had Total Defense for several years and it has protected my computer and the support team has been great helping me. I would recommend this over any other anti virus...
    4.50
  • Ultimate Internet Security
    Nice interface. The app lock feature is made more secure by using that vey feature to lock all the apps that could be used to uninstall it: settings app, google playstore, app,...
    5.00
  • Ultimate Internet Security
    I have been using these products for at least the past 10 years and I have never had a virus on my computer. The anti-virus program does not slow down the system at all. Awesome...
    5.00
  • Ultimate Internet Security
    The best money I have ever spent best in protection and best in service. When I have a problem I simply pick up the phone, and they can instantly resolve my problem, so far,...
    5.00
  • Ultimate Internet Security
    The best money I have ever spent -- best in protection and best in service. When I have a problem I simply pick up the phone, and they can instantly resolve my problem. So far,...
    5.00
  • Ultimate Internet Security
    I've had the Total Defense Premium Internet Security program for three years and have found it to be a superior product. Total Defense offers a quality instrument at an...
    5.00
  • Ultimate Internet Security
    I have used Total Defense for 10 years and it has worked great. A friend said "why do you pay for anti virus, I get it free" a week later she came back and had a virus. That's...
    5.00
  • Ultimate Internet Security
    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....
    5.00
  • Ultimate Internet Security
    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....
    5.00
  • Ultimate Internet Security
    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. It is...
    4.50
  • Ultimate Internet Security
    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. It is...
    4.50
  • Ultimate Internet Security
    I have used this program for quite a few years now, it has proven to be worth the money as my system has remained problem free for the duration. The updated program software...
    5.00
  • Ultimate Internet Security
    I have been using PC Tuneup for several years. It not only cleans up the computer, but it checks for updates on programs as well. Fabulous software! I use it on all my...
    5.00
  • Ultimate Internet Security
    I like the virus scan, it is fast. The clean up feature I like. The product is excellent. The features are easy to use.
    5.00
  • Ultimate Internet Security
    I found the product has great backup support. During a brief power surge, I was able to keep my work. With the other product I had, I lost most of my work. Keep up the good...
    5.00
  • Ultimate Internet Security
    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. Other Internet security products I've had in...
    5.00
  • Ultimate Internet Security
    Solid Software Installation was easy. I have been used it for 4+ months and found no issues at all. The product did everything for my computer and is taken very little CPU...
    5.00
  • Ultimate Internet Security
    Great Security Suite Includes online backup and pc tune-up. Also includes mobile security.
    5.00
  • Ultimate Internet Security
    Total Defense is very easy-to-use. It protects all my devices, including my desktop, laptop and tablet. Protects from basically all online threats like viruses, ransomware,...
    5.00
  • Ultimate Internet Security
    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...
    5.00
  • Ultimate Internet Security
    Program is easy to navigate and allows for security for multiple devices. Price is competitive and it doesn't bother me with constant messages on products. Offers good...
    5.00
  • Ultimate Internet Security
    Good Product for Internet Protection. Easy to install and has got most decent protection feature set embedded into the product.
    5.00
  • Ultimate Internet Security
    A great Internet security suite for PC users Great parental controls, well-integrated 10 GB online backup "set it and forget it," good antivirus performance, low cost, can use...
    5.00
  • Ultimate Internet Security
    Great all-in-one-security app! Total Defense is an advanced all-in-one Internet security suite. It provides you 360 degree protection, including antivirus, firewall, anti-spam...
    5.00
  • Ultimate Internet Security
    If you want a nice defense on your brand new computer, then pick this up it's great for the price.
    5.00
  • Ultimate Internet Security
    Great Product Easy to install!
    5.00
  • Ultimate Internet Security
    Very good IMO Does what it's supposed to. Easy to use and install to your computer. Easily customize your scans and dates.
    5.00
  • Ultimate Internet Security
    Great Product Very easy to set up and use didn't slow my laptop down like Norton did
    5.00
  • Ultimate Internet Security
    I really like this antivirus program. It simply does its job. It doesn't slow down my computer at all and it was very easy to install. I used to have McAfee and it slowed down...
    5.00
  • Ultimate Internet Security
    Fast effective PC tune-up. Fixes problems fast.
    5.00
  • Ultimate Internet Security
    Can't go wrong with this one, impressive capabilities and easy-to-use.
    5.00
  • Ultimate Internet Security
    The program ran very quickly. It found free space by optimizing my drive. This is an excellent program.
    5.00
  • Ultimate Internet Security
    Very easy to use and produces excellent results. I depend on it to keep my PC in good shape.
    5.00
  • Ultimate Internet Security
    This is the easiest way I've found to improve the performance of my computer with the touch of a button.
    5.00
  • Ultimate Internet Security
    Really like the App Lock feature, I feel secure about my personal info.
    5.00
  • Ultimate Internet Security
    Wow, remotely locate, lock, wipe or send a message to my phone.
    5.00
  • Ultimate Internet Security
    Ease to use. Has zero impact on my battery life.
    5.00
  • Ultimate Internet Security
    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.
    5.00
  • Ultimate Internet Security
    I have installed it on my MacBook and it works great. I do not see any speed or performance degradation. I think this product works just as great as any other big name products.
    5.00
  • Ultimate Internet Security
    Easy set up, then it was hands off. Runs great, keeps you safe, you don't even know it's there.
    5.00
  • Ultimate Internet Security
    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. Other Internet security products I've had in...
    5.00
  • Ultimate Internet Security
    Solid Software Installation was easy. I have been used it for 4+ months and found no issues at all. The product did everything for my computer and is taken very little CPU...
    5.00
  • Ultimate Internet Security
    Total Defense is very easy-to-use. It protects all my devices, including my desktop, laptop and tablet. Protects from basically all online threats like viruses, ransomware,...
    5.00

System Requirements

Supported Operating Systems
  • Windows 10 (32 & 64-bit)
  • Windows 8.1 (32 & 64-bit)
  • Windows 8 (32 & 64-bit)
  • Windows 7 (32 & 64-bit) with Service Pack 1
  • Macintosh (Intel-based) OS X - 10.9.5 or later
Required for all Installations
  • 2 GB RAM
  • 1 GHz or faster processor
  • Internet Explorer 9 or above
  • 1 GB of available hard disk space
  • 1024 x 768 or higher screen resolution
  • Internet access
Supported Browsers for Web Filtering
  • Internet Explorer 9 and higher
  • Chrome v40.0 and higher
  • Firefox 35.0 and higher
For Smartphone & Tablet Security
  • Android 4.0.3 or higher
Usage
  • For personal and family use only. Not for business or commercial use.

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

Rated #1 anti-virus software company on Consumer​Affairs.com

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

07.17.19

Use encrypted messaging apps instead of SMS when possible

Text messages, sent via carrier SMS, are fixtures of mobile communications. But they’ve lost ground to over-the-top (i.e., internet-based) services such as Apple iMessage, WhatsApp and Telegram. Those alternatives are not only more richly featured, but many have end-to-end encryption as well - something SMS and even its successor, RCS, do not support.


More devices, more vulnerabilities – What 5G networks mean for mobile and IoT security

By now, you might have heard or read something about 5G mobile networks. As the name suggests, 5G denotes the fifth generation of cellular data and voice technology. Each generation so far has represented a significant technological advancement: 1G pioneered truly wireless calling as well as roaming. 2G introduced digital call encryption and SMS (text […]
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 – 6pm EST

Gold Award Winner for 2019 Anti-Malware Product Excellence of the Year - 2019 Info Security Product Guides Global Excellence Award Bronze Winner for Customer Service Department of the Year at 2019 Stevie Awards