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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
10.07.26
Should you clear your browser cache, cookies and history for better privacy?
Your browser saves pieces of your online activity to make the web feel faster and more convenient. Cached images help pages load quickly, cookies keep you signed in, and history helps you revisit sites. Those features are useful, so clearing everything every day is unnecessary. Still, a well-timed cleanup can reduce tracking, protect privacy on a shared device, fix broken pages and end some active sign-ins. The key is knowing what each category contains—and what clearing it cannot do.
What is the difference between cache, cookies and browser history?
- Cache: Temporary copies of images, scripts and other page resources. The cache improves speed, but old files can cause display or loading problems.
- Cookies and site data: Small records that remember logins, preferences, shopping carts and other session details. Third-party cookies may also support cross-site tracking.
- History: A list of visited pages, searches and related browser activity. Anyone using the same unlocked profile may be able to view it.
Google’s Chrome guidance explains that clearing browsing data can remove visited addresses, cached page content, cookies, site settings and selected autofill information. Review the checkboxes carefully so you do not erase more than intended.
Does clearing cookies improve online security?
It can help in specific situations. An authentication cookie can act like a temporary pass that proves you already signed in. CISA warns that a stolen session cookie may let an attacker enter a web service as the user and can bypass some multifactor authentication protections. Clearing cookies ends many browser sessions, reducing the usefulness of an old session token that remains on that device.
However, clearing cookies is not a cure for malware or a stolen account. If you notice suspicious activity, change the password from a trusted device, enable multifactor authentication, sign out other sessions and scan the device. A cookie cleanup complements those steps; it does not replace them.
When should you clear browsing data?
- After using a shared or public computer: Clear sign-in cookies and history, then close every browser window.
- When a site behaves incorrectly: Remove that site’s cache and cookies before wiping all browser data.
- After an account-security alert: End sessions through the account’s security page, then clear relevant site data.
- Before selling or handing off a device: Sign out, remove the browser profile and complete the device maker’s secure reset process.
- During a periodic privacy review: Remove stale site data and review permissions, saved passwords and extensions.
How do you clear cache, cookies and history safely?
- Save what matters. Finish forms, record open tabs and make sure important passwords are stored securely before signing out.
- Open the browser’s privacy settings. Look for Delete browsing data, Clear recent history or Manage website data.
- Choose a time range. Use a short range to troubleshoot a recent issue or “all time” for a full cleanup.
- Select categories deliberately. Clear cache, cookies/site data and history as needed. Avoid selecting saved passwords or autofill unless you intend to remove them.
- Restart and update. Reopen the browser, install available updates and sign back in only through known websites.
Browser menus vary by device. Google notes that clearing cache and cookies may sign you out and make sites load more slowly on the next visit. On iPhone, Apple lets you clear Safari history and website data together or remove cookies and cache while keeping history. Firefox users can remove one site or all stored site data through Privacy & Security, as described in Mozilla’s current support guide.
Should you clear everything or target specific sites?
Targeted deletion is often the smarter first move. If one website loops at login or displays outdated information, remove only its cookies and cached files. You will preserve sessions and preferences elsewhere. Choose a broad cleanup on a shared machine, after suspected session theft or when you want a larger privacy reset.
How does clearing browser data make you safer online?
A thoughtful cleanup limits what another person can see on a shared device, removes some tracking data and closes many stored sessions. It can also reveal forgotten browser settings during your review. Pair the habit with automatic updates, unique passwords, multifactor authentication, careful extension management and screen locking for stronger protection.
Set a monthly reminder to review browser data and permissions—not simply erase everything on autopilot. Start with sites you no longer use, remove unneeded cookies and sign-ins, and keep the conveniences that still serve you. A focused five-minute browser check can improve privacy without turning every visit into a fresh setup.
How to protect your devices, passwords, and online accounts while traveling
Questions? Our friendly award winning US-based support team is happy to help and it’s free.
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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:
- Download and installation
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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.







