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PC-Tune Up
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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
VB100 Certified

Our virus and malware protection is put through the toughest tests to ensure your are protected.

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Free US Tech Support
Free US Tech Support

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

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Money Back Guarantee
Money Back Guarantee

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

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Virus-Free Guarantee
Virus-Free Guarantee

We’re so confident in our virus protection, we will remove it for free or give your money back.

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Total customer satisfaction is our ultimate goal

Don’t take our word for it…
 

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.

- Leslie K.

Total Defense 5 Star rating

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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.

- Jerry C.

Total Defense 5 Star rating

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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 and gets the job done!

- Nakul D.

Total Defense 5 Star rating

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A great Internet security suite for PC users, great parental controls, well-integrated online backup "set it and forget it," good antivirus performance, low cost, can use on multiple devices.

- Isadora L.

Total Defense 5 Star rating

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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.

Total Defense 5 Star rating

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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. Customer support is always helpful.

- Stepheni H.

Total Defense 5 Star rating

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Protection for all the devices in your home

Premium Internet Security
4.9 (72 Reviews)
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
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$69.99
$89.99
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5 Devices
10GB Online Backup
Windows Mac Android
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Our other popular internet security software choices, to keep you and your devices safe.
Ultimate Internet Security
4.9 (42 Reviews)

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.

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Anti-Virus
4.9 (35 Reviews)

Essential Anti-Virus

Anti-Virus security ensures you’re totally covered keeping your devices safe from malware, spyware, ransomware, and harmful viruses.

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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 Malware Protection

AV Comparatives Advanced Plus

AV Comparatives Advanced Plus Malware Protection

AV Comparatives Advanced Plus

Virus Bulletin 100 Certified

VB100 Certified

AV Comparatives Advanced Plus Real-World Protection

AV Comparatives Advanced Plus

OPSWAT Certified

OPSWAT Certified

AV Comparatives Advanced Plus Performance

AV Comparatives Advanced Plus

We will keep you virus-free guaranteed

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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.

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We’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.

Total Defense has been a proud supporter of the National Center for Missing & Exploited Children

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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.
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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
Online Safety

Total Defense Security Tip of the Day

03.21.26

Hidden security risks inside smart home hubs and routers (and how to protect yourself)

Smart homes make life easier — but they also open the door to new digital risks many people never think about. Your hub, router, smart TV, doorbell, thermostat, and even that “set‑and‑forget” streaming stick all share one thing: they sit on your home network, and if they’re not secured properly, cybercriminals can target them.

And the threats are growing fast. According to a 2025 IoT Security Landscape Report, smart home networks face an average of 29 cyberattacks every 24 hours, with data gathered from 6.1 million households and 58 million devices. Another analysis revealed that unprotected routers and home IoT devices helped drive a record‑breaking 22.2 Tbps DDoS attack, proving how easily attackers can weaponize everyday consumer gear.

Let’s break down the hidden risks inside your smart home — and what you can do to stay safe.

Why Smart Home Hubs and Routers Are Prime Targets

Your router is the digital front door to your home. Every device you own flows through it, making it the #1 target for attackers. If a criminal compromises your router, they may be able to:

  • Monitor traffic from every connected device
  • Access security cameras and smart sensors
  • Hijack your network for large‑scale attacks
  • Steal personal data and account credentials

And the danger doesn’t stop there. Consumer‑grade routers and IoT gadgets are seeing a dramatic surge in vulnerability scanning. F5 Labs reported a 91% increase in router‑targeted vulnerability scans in 2024, with 42% of all CVE‑related traffic aimed specifically at routers and IoT devices.

The Most Vulnerable Devices in Your Smart Home

Not all devices pose the same level of risk. NETGEAR and Bitdefender’s joint 2025 threat analysis uncovered which devices attract the most attacks:

  • Streaming devices (26%) — often running outdated firmware
  • Smart TVs (21%) — frequently lack long‑term software support
  • IP cameras (9%) — intended for security, but easily misused if unsecured

Attackers typically go after gadgets that receive few updates or rely on older Linux‑based firmware. In some 2025 cases, criminals even pre‑installed malicious firmware on Android streaming devices, infecting them before consumers opened the box.

How Hackers Exploit Your Smart Home

Once criminals gain access to one weak device, they can use it as a pivot point to reach others. Common attack tactics include:

1. Botnet Hijacking

Routers and hubs can be infected and added to massive botnets used to launch DDoS attacks — including the historic 22.2 Tbps incident traced back to compromised home devices.

2. Data Harvesting and Surveillance

Unsecured smart TVs, cameras, speakers, and baby monitors can expose private conversations, personal habits, and sensitive account data.

3. Exploiting Outdated Firmware

Many smart devices receive limited updates, creating persistent vulnerabilities attackers can reuse across millions of devices. Streaming devices and smart TVs are especially prone to outdated kernels and weak firmware supply chains.

How to Protect Your Smart Home (Without Becoming a Tech Expert)

You don’t need to be an IT pro — just build a few smart habits:

1. Change Default Passwords

Default credentials are one of the most common attack paths.

2. Keep Firmware Updated

Enable auto‑updates wherever possible. If a device no longer receives updates, consider replacing it.

3. Secure Your Router

  • Turn on WPA3 or WPA2 encryption
  • Use a strong Wi‑Fi password
  • Disable remote administration unless absolutely required

4. Segment Your Network

Create a separate guest network for smart devices. This limits the damage if one gadget is compromised.

5. Monitor Device Behavior

If a smart device slows down, becomes unresponsive, or behaves strangely, it may be compromised.

Smart home convenience comes with real security risks — especially inside the hubs and routers powering your setup. With nearly 30 attacks per home per day, staying proactive is essential. By securing your network and keeping devices updated, you can enjoy your smart home safely without giving attackers a free pass.


How cybercriminals are using AI to automate identity theft (and how you can stay safe)

Identity theft has always been a serious threat, but artificial intelligence has supercharged the problem. Cybercriminals are no longer relying on manual methods or simple scams — they’re now using AI to automate identity theft at a scale and speed we’ve never seen before. This new wave of AI‑powered fraud is more convincing, more personalized, […] Read More»

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