Total Defense

Business Internet Security

Total protection of your small to medium business from viruses and other online threats.
Choose the level of protection that's right for you:
Compare Products » Free US-Based Support 60 Day Money Back Guarantee
Managed service provider? Call 1-877-906-8816 or contact us for a quote.

All new Business Internet Security – More secure and easier to use than ever.


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.


Total Business Protection

For all the connected devices in your business - PCs, Macs, Smartphones & Tablets.

Total Defense Business Internet Security
  • Anti-malware protection – simple, smart, and reliable protection of sensitive company data from viruses, spyware, ransomware and malware on all of your PC's, Mac's, tablets and smartphones.
  • NEW Ransomware protection – our Advanced Threat Protection guards your most important files from ransomware
  • NEW Anti-Phising – protects you from phishing attacks, Internet fraud, and malicious websites.
  • Mobile Security – fend off malware, block intruders, and even lock or erase your data if you lose your phone.
Malware scanning

NEW Advanced Threat Protection

A good offense is the best defense! Real-time and on-demand malware scanning engines provide powerful protection. 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.
Windows fast Internet browsing

No Performance Impact

Fast scanning and ironclad protection against malware without slowing you down. It's so fast you probably will never know it's there, protecting your every click.
Windows Laptop Security

Real-Time Protection

Your files and system are monitored around the clock to ensure your computer hasn't been compromised and performs optimally.
Automatic Security Updates

Automatic Updates

Automatically updates security multiple times a day so you're always protected from the latest online threats.

Total Defense Business Internet Security Total Defense Business Internet Security Total Defense Business Internet Security

Compare Features

Total Defense

Essential


Total Defense

Ultimate


Number of devices protected
1-50
1-50
1-50
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
Protects Mac and Android devices orange tick orange tick
Anti-phishing - block suspicious emails and websites orange tick orange tick
Identity safeguard - encrypts private information 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
Supported Operating Systems Windows WindowsAndroidMac WindowsAndroidMac
Buy with Confidence
Free US-Based Support
Certified Secure Checkout
60 Day Money Back Guarantee

Proactive protection for all your business devices

Premium Internet Security - Best Anti-virus Protection

Award winning internet security software

Premium Internet Security - Award Winning Anti-virus Protection

Block ransomware, viruses, and other dangerous malware

Premium Internet Security - Best Malware Scanning

Real-time and on-demand malware scanning engines

Ultimate Internet Security - Best Malware Scanning

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 - 10.10 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 4.1 or higher
Usage
  • For business or commercial use.

Award winning internet security software

AV Comparatives Award
Highest Advanced+ Rating

Awarded highest possible ranking in the three-month long Real-World Protection test of the leading antivirus programs.

VB100 Certified
Prestigious VB100 award

Recipient again of the prestigious VB100 award in their latest round of testing, for high performance and stability of Total Defense Internet Security.

OPSWAT certification
Anti-malware certification

OPSWAT Certified Security Applications go through rigorous testing to ensure compatibility with leading access control technologies.

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...

  • I had trouble updating my anti-virus on my mobile phone. I called the Customer Helpline, they helped me right away. Tech knew exactly what to do, and was both fast and friendly....
    - Carol D.
  • I received a notice on my PC saying I had a virus to call Microsoft immediately, thought it was probably was a scam, I wanted to be sure, so I called Total Defense. Support was...
    - Janet S.
  • Would recommend Total Defense as an outstanding security system. Using Total Defense since 2014, we have had no computer viruses or security problems. Tech support, is excellent...
    - Constance L.
  • The Total Defense security has been the best, most secure system we have tried.
    - Adele F.
  • Outstanding!!! I have been pleased with all aspects of Total Defense for my personal computers and would highly recommend the product for anyone. Thanks.
    - Raymond C.
  • Support responded to my inquiry immediately. Manner was pleasant and professional. Promptly identified and resolved the issue and I was left a very satisfied customer! Great...
    - Jean P.
  • Successfully installed the Total Defense program onto my MacBook and iMac. I was pleased with the customer service. So impressed! This company is so refreshing in their...
    - Eric R.
  • I use Total Defense on multiple computers for Antivirus and security protection. Very cost-effective and robust. Thanks!
    - Greg. D.
  • This is the best internet security in the world. I had Kaspersky and its now the worst ever. I called Total Defense and they answered right away. English speaking agent in...
    - Annette D.
  • Just paid for a renewal of service and technical support went above and beyond for me. Helped me clean all unwanted files and was super friendly. What an amazing support team....
    - Sean G.
  • Customer service at its best, I am very pleased with your product and the support offered. Service rep was courteous and helpful. Will keep using and renew again next year....
    - William J.
  • Love these guys!! Great product and phenomenal support.
    - Robert S.
  • I have been a member for a few years now. Every time I call the agents are very pleasant and knowledgeable. This time was no different. He was very helpful and solved my...
    - Charlene S.
  • 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...
    - Jonathan S.
  • 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...
    - Patricia F.
  • 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...
    - William M.
  • 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...
    - Bruce R.
  • 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...
    - Terrence K.
  • 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...
    - Char N.
  • 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...
    - Brian M.
  • 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.
    - Melissa H.
  • 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...
    - Vaibhava J.
  • 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...
    - April R.
  • 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...
    - Rosemary J.
  • 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.
    - Bryant S.
  • 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...
    - John T.
  • 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....
    - Claudia B.
  • Very happy, great mobile security app, keep up the good work. Thanks for your help when I needed it most.
    - Vito T.
  • Tech support did a great job getting my Android mobile phone secured. Thank you.
    - David E.
  • 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...
    - Patricia H.
  • 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....
    - Dennis W.
  • 100% satisfied with Total Defense. Highly recommended. Thank you Support for all your help with my PC Tune-Up!
    - Tom G.
  • 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...
    - Elaine L.
  • 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,...
    - Marcus M.
  • 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...
    - Joe Z.
  • 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,...
    - Kennedy S.
  • 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,...
    - Kennedy S.
  • 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...
    - James P.
  • 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...
    - JJ S.
  • 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....
    - Stepheni H.
  • 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....
    - Stepheni H.
  • 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...
    - Leslie K.
  • 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...
    - Leslie K.
  • 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...
    - Laurence J.
  • 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...
    - Hutch H.
  • I like the virus scan, it is fast. The clean up feature I like. The product is excellent. The features are easy to use.
    - Bernard L.
  • 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...
    - Annette R.
  • 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...
    - Jerry C.
  • 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...
    - Hui-Hua C.
  • Great Security Suite Includes online backup and pc tune-up. Also includes mobile security.
    - Jesse P.
  • 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,...
    - Jorge V.
  • 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...
    - Nakul D.
  • 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...
    - David E.
  • Good Product for Internet Protection. Easy to install and has got most decent protection feature set embedded into the product.
    - Neelima J.
  • 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...
    - Isadora L.
  • 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...
    - Richard T.
  • If you want a nice defense on your brand new computer, then pick this up it's great for the price.
    - Kayla S.
  • Great Product Easy to install!
    - Stephanie G.
  • Very good IMO Does what it's supposed to. Easy to use and install to your computer. Easily customize your scans and dates.
    - Shoko O.
  • Great Product Very easy to set up and use didn't slow my laptop down like Norton did
    - Dom E.
  • 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...
    - Jeffrey R.
  • Fast effective PC tune-up. Fixes problems fast.
    - Teresa C.
  • Can't go wrong with this one, impressive capabilities and easy-to-use.
    - Vincent P.
  • The program ran very quickly. It found free space by optimizing my drive. This is an excellent program.
    - Owen M.
  • Very easy to use and produces excellent results. I depend on it to keep my PC in good shape.
    - Ronda M.
  • This is the easiest way I've found to improve the performance of my computer with the touch of a button.
    - Artie M.
  • Really like the App Lock feature, I feel secure about my personal info.
    - Deirdre R.
  • Wow, remotely locate, lock, wipe or send a message to my phone.
    - Lonny M.
  • Ease to use. Has zero impact on my battery life.
    - Richard B.
  • 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.
    - Wayne F.
  • 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.
    - Jared D.
  • Easy set up, then it was hands off. Runs great, keeps you safe, you don't even know it's there.
    - Matthew R.
  • 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...
    - Jerry C.
  • 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...
    - Hui-Hua C.
  • 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,...
    - Jorge V.

We've Got Your Business Covered

Over 10 years of Dedication

We are committed to your cybersecurity, from installing the software effectively to helping recovery in the event of a breach.

 
Cloud-Powered, Multi-Layered

Real-time and on-demand malware scanning engines combine cloud based and local scanning technology, providing the highest level of 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 business safe in the ever changing connected world.

Why Total Defense Internet Security >

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

09.22.20

Monitor version history on Google Docs to discover updates and changes

The ability to accurately monitor version history and alterations is essential for data integrity and can be very useful for collaboration. Version history visibility is built into Google Docs. Select File, then click “Version history” and “See version history.” You’ll be able to monitor all changes to the document from named users and see if someone has improperly accessed your account.


Best practices for Office 365 security

As businesses shifted to accommodate the needs of their newly remote workforces following the COVID-19 pandemic, scammers took note. In order to exploit the uncertainty surrounding the rapid deployment of new software and security solutions, they engaged in deceptive phishing attacks. Targeting Office 365 credentials TechRadar reported on one such attack that encouraged recipients to […]
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

Customer Service Team of the Year - Info Security PG's 2020 Award Silver BCustomer Service Department of the Year - 2020 Stevie Awards Silver