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Does Norton protection slow down my computer? 5 reasons why it doesn’t

Stop me if you’ve heard this one before: Norton protection slows down my computer.

True enough — in 2004. But a lot has changed since then. You don’t see a lot of fluffy boots anymore, for instance, and Paris Hilton no longer dominates the news.

What else has changed? Norton protection has been rated No. 1 in performance for 12 consecutive years by PassMark, a leading tester of software products.

Performance means speed.

That means you won’t notice a difference in speed if you have Norton protection on your device.

Really.

Speed and protection? Here’s how to get it

You probably want two things when you buy security software. Speed and protection.

Speed? We covered that. No one wants their computer to load in the time it takes to eat a pizza. And if you’re a gamer, you probably have even less patience.

Protection? You want your security software to protect against threats like computer viruses, malware, spyware, and ransomware.

Norton Security protection does that. And it does it fast.

Even so, sometimes you hear people say — in the here and now — “Norton protection slows down my computer.”

OK. We understand. Old habits die hard.

But that leaves us no choice but to present a numbered list.

5 reasons Norton protection doesn’t slow down your computer

This list could have been avoided, but anytime anyone says, “Norton protection slows down my computer,” a Norton engineer screams.

And we can’t have that.

So here goes.

1. Performance mindset

It’s our speed team’s No. 1 priority — Norton Security’s engineering team measures the performance of every new program version.

Here’s what you get. Consistency, for starters. Plus, the lowest impact on performance compared with competitors when it comes to everyday uses of your devices.

For Kevin Haley, director, Symantec Security Response, it comes down to this: “I’m not only a part of the Norton team, I’m a Norton user,” he says. “And I don’t want my system slowed down either. If a Norton protection technology might slow down your computer, we won’t ship it.”

2. Best protection

High protection used to mean low performance. Not anymore.

Norton Security has been rated the Best Protection security product in the industry for three straight years. That’s according to AV-Test, an independent institute that tests antivirus software.

As for the protection-vs.-performance question, Norton Security gets kudos for innovative technologies that challenge the tradeoff and deliver speed.

3. Built for everyday use

We noted Norton’s winning streak for performance. Now the details.

Norton protection was rated No. 1 in performance for 12 straight years by software testing company PassMark. It means Norton protection has the lowest performance impact on 23 common daily operations on PCs. That includes things like download speeds and web-browsing speeds.

4. Intelligent scanner

In security software programs, as in life, timing matters.

Norton’s “protection scanner” feature minimizes performance impact by monitoring your system and your activities. How? It tracks your system resource usage to decide the best time to perform essential software updates and scan your files for viruses and other threats.

Bottom line: You get computer performance during your busy times, while Norton protection does its work during idle times.

5. Optimized for hardware and software

As everybody knows, optimization is, well, optimal. So, engineers optimized Norton Security for solid state drives, as well as conventional hard disk drives.

That’s not all. The team also tested and optimized for the latest web browsers. That means Norton Security provides its best protection with the least impact on web browsing.

Tips for you to help boost performance

Still a nonbeliever? Consider this possibility: You might think Norton protection is slowing down your computer, but it could be something else, or a combination of things.

Here are a few things you can do that might help you boost the performance of your computer or laptop.

  • Make sure you install the latest versions of your Norton Security solutions.
  • Update your web browser. You can check your settings to confirm you are running the most-current version of your browser.
  • Check out Norton protection’s Performance feature. It shows you what could be creating performance delays. It also lets you to take actions like optimizing disks, cleaning up files, and editing system startup items — all in the name of speed.
  • Contact Norton Support. They can check to see if your settings are optimal. You can reach Norton Support by phone, email, or chat.

Take the Norton solutions performance pop quiz

We hope this sets the record straight.

Just to make sure, let’s end with a quiz question.

True or false: Norton protection slows down my computer.

If you answered “false,” you are correct.

If you answered “true,” you may be wearing fluffy boots.

Victim of a data breach? LifeLock monitors for identity theft and threats.

Norton joined forces with LifeLock, we offer a comprehensive digital safety solution that helps protect your devices, connections and identity.


Symantec Corporation, the world’s leading cyber security company, allows organizations, governments, and people to secure their most important data wherever it lives. More than 50 million people and families rely on Symantec’s Norton and LifeLock comprehensive digital safety platform to help protect their personal information, devices, home networks, and identities.

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