Secure Your World

From desktops to mobile, we've got you and your family totally covered.

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


Ultimate Internet Security

High performance virus detection without slowing you down – on all your devices – while you bank, shop, and connect on social networks with total peace of mind.

  • Automatically detect and remove any threat, without negative impact on your speed
  • Keep your PCs running like new with smart PC optimization technology
Learn More »
original
4.9(42 Reviews)
$109.99
10 Devices
25GB Online Backup
Windows Mac Android

Premium Internet Security

Bestseller Internet Security

Our Bestseller! We’ve got you covered – total protection for the devices in your home – PCs, Macs, Smartphones & Tablets.

  • Shop, bank and explore your social network without worry
  • Protect your information from cyber criminals when you’re shopping and banking online
Learn More »
original
4.9(72 Reviews)
$69.99
$89.99
Save $20
5 Devices
10GB Online Backup
Windows Mac Android

Essential Anti-Virus

Viruses constantly evolve, our Anti-Virus security ensures you’re totally covered with smart and powerful protection for your Windows desktops and laptops.

  • Keep your devices safe from malware, spyware, ransomware, and harmful viruses.
  • Free automatic updates; virus-free, hassle-free, and worry-free.
Learn More »
original
4.9(35 Reviews)
$39.99
$59.99
Save $20
3 Devices
Windows
Buy with Confidence
Free US-Based Support
Certified Secure Checkout
60 Day Money Back Guarantee

What works for you?

Use our selection tool to help you choose the internet security that’s right for you.

Compare

Anti-Virus for Mac

Total Defense 2019 version

Viruses constantly evolve, our Anti-Virus for Mac security ensures you’re totally covered with smart, and powerful protection. Give your Mac maximum protection without compromising speed and performance.

  • Advanced features keep your Mac safe from malware, spyware, ransomware, and harmful viruses so you can browse, shop, and bank with confidence.
  • Ultra fast malware scanning – and ironclad protection without slowing you down. So fast and discreet, you won’t even know it’s there, working to keep your Mac safe.
Learn More »
original
4.9(12 Reviews)
$39.99
$59.99
Save $20
3 Macs
Mac Anti-Virus

PC Tune-Up

Total Defense 2019 version

Automatically scan, fix, and update your PC – improving your Windows desktop or laptop’s speed – so you can enjoy faster startups, smoother browsing, and like-new performance.

  • Boost PC Performance – automatically improve PC startup time, Internet speed and program performance
  • Removes junk files, eliminates unnecessary programs, updates vulnerable applications, and reclaims more space on your PC.
Learn More »
original
4.9(16 Reviews)
$39.99
$49.99
Save $10
3 Devices
Windows

Mobile Security

Total Defense 2019 version

Comprehensive mobile protection for Android devices. Fend off malware, block intruders, lock or erase your data if you lose your phone.

  • Powerful virus & spyware detection and removal – virtually no battery impact
  • Remote lock & wipe for lost or stolen devices
  • Remote GPS location for lost or stolen phones
Learn More »
original
4.9(19 Reviews)
$19.99
1 Device
Android

System Requirements

Supported Operating Systems
  • Windows 11 (64-bit)
  • Windows 10 (32 & 64-bit)
  • Windows 8.1 (32 & 64-bit)
  • Macintosh OS X - 10.12 or later
Required for all Installations
  • 2 GB RAM
  • 1 GHz or faster processor
  • Internet Explorer 11 or Microsoft Edge
  • 1 GB of available hard disk space
  • 1024 x 768 or higher screen resolution
  • Internet access
Supported Browsers for Web Filtering
  • Internet Explorer 11
  • Microsoft Edge
  • Chrome v40.0 and higher
  • Firefox 35.0 and higher
For Smartphone & Tablet Security
  • Android 5.0 or higher
Usage
  • For personal and family use only. Not for business or commercial use.

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.

Learn More >

Free US Tech Support
Free US Tech Support

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

Learn More >

Money Back Guarantee
Money Back Guarantee

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

Learn More >

Money Back
Virus-Free Guarantee

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

Learn More >

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

03.19.26

Beware of mysterious email links and attachments: how one wrong click can lead to a ransomware disaster

Cybercriminals love email—and for good reason. One careless click on a mysterious link or attachment can unleash ransomware capable of locking your files, freezing your device, and demanding a hefty payment for decryption. Ransomware is a fast‑growing threat, and attackers are getting smarter about how they lure victims in.

According to the FBI’s Internet Crime Complaint Center (IC3), reported U.S. cybercrime losses skyrocketed to more than $16 billion in 2024—a 33% increase from the previous year. Phishing and spoofing emails remained the most common complaint, reinforcing how often malicious links and attachments appear in inboxes.

If you’ve ever opened an unexpected email from a delivery company, a bank, or even someone pretending to be your boss, you’ve already seen how convincing these messages can be.

Let’s break down why these threats are so dangerous—and how you can protect yourself.

How Ransomware Starts With a Single Click

Most ransomware infections begin with a deceptive email. Attackers embed malicious links or file attachments—often disguised as invoices, password resets, job offers, or shipping updates—that trigger an infection the moment you open them.

Once activated, ransomware can:

  • Encrypt your documents, photos, and work files
  • Block access to your computer or account
  • Spread to other devices on your network
  • Target weaknesses in outdated software

The damage is immediate and severe. Some variants even delete backups or disable security tools before showing their ransom note.

And here’s the worst part: the FBI strongly warns victims not to pay the ransom, noting that cybercriminals often take the money without restoring your files.

Ransomware Is Rising—Fast

Ransomware continues to grow as one of the most expensive and common cyber threats. In 2024, phishing remained the top reported cybercrime category, with 193,000+ phishing incidents logged by the FBI—far more than any other attack type.

Meanwhile, ransomware complaints rose 9% year‑over‑year, continuing a steady upward trend. These numbers reveal a simple truth: attackers view email as the easiest door into your digital life.

Red Flags: How to Spot Suspicious Email Links and Attachments

Before you click anything, slow down and look for warning signs:

1. Unexpected Attachments

You weren’t expecting a PDF from your bank or a ZIP file from HR? Don’t open it.

2. Urgent or Threatening Language

Cybercriminals love pressure tactics like “Your account will close today!” or “Immediate action required.”
If it feels rushed, it’s likely a scam.

3. Odd Tone or Grammar Errors

Even well‑crafted scams sometimes feel slightly “off.” If the wording doesn’t match the sender’s usual tone, pause.

4. Security Software Warnings

If your antivirus flags a file or link, trust it.

How to Protect Yourself From Ransomware

Keep all software updated

Ransomware frequently exploits outdated apps and operating systems. Software updates patch these weaknesses.

Don’t click suspicious links or attachments

When in doubt, delete it. This is the #1 way to avoid infection.

Use reputable security software

Enable real‑time protection and let your tools block threats before they reach you.

Back up your files regularly

Cloud backups or external drives ensure you won’t lose everything—even in a worst‑case scenario.

Never pay the ransom

The FBI warns there’s no guarantee your files will be restored.

Bottom Line

Ransomware attackers rely on one thing: your trust. By staying alert to mysterious links and attachments—and keeping your software and security tools updated—you can block the most common doorway into your digital life.

A little skepticism goes a long way. One pause before clicking could save your files, your money, and your peace of mind.


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»

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

Customer Service Team of the Year - Cyber Security Excellence 2022 Globee Award Gold Customer Service Department of the Year - 2022 Stevie Awards Bronze