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Norton Internet Security lets you confidently browse, shop, bank, and socialize online without worrying about getting attacked or scammed.

  • Norton Safe Web: Proactively protects you while you surf the Web by warning you of and blocking unsafe and fake websites right in your search results. (OS X 10.7 only)
  • Antiphishing Technology: Blocks fraudulent phishing websites created to steal your identity and your money.
  • Smart Two-Way Firewall: Prevents cybercriminals from hacking into your Mac, stealing your personal information and messing with your stuff.
  • Location more...

What's New

Version 5.3:
  • Compatibility with Firefox 14
  • Compatibility with OS X 10.8 GM Candidate. We will let you know if there are any other problems with OS X 10.8 final release when it is announced.
  • Bug fixes in Norton Firewall and Norton more...


OS X 10.7 or later

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Norton Firewall User Discussion

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Jbob Member IconComment+13

See my review of Norton Internet Security for Mac under Norton Anti-Virus. NIS for mac includes Norton Firewall. Also, this is a very user friendly application. If you find it's not, you need to read the instructions.

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Version 4.0.1
Gpstein1 Member IconReview+7

This is probably the LEAST user friendly app ever. I want it to allow FireFox (duh !) and it keeps blocking it. The help screens aren't helpful, its a joke.

This software was written by Microsoft people, who like to make things a challenge. A total waste.

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Version 4.0.1
Jawtok Member IconComment+4

I've got nothing against Norton other that I've red so much bad reviews on Norton and Macs in general, but have you guys tried the Intego NetBarrier X4? I just got broadband and I thought I'd spend a little extra for extra security and I was sooo impressed at all its features, check it out for yourself, here's the link to their site: http://www.intego.com/netbarrier/

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Version 3.0.3
Anonymous Member IconReview

I have updated NPF to 3.0.2 and I still have problems using it with Mac OS X 10.3.2. 50% of the time, my machine crashes during start-up while loading NPF. Other times, my machine get a error about "Background process communication error" from NPF and crashes soon after. I think the log still has problems too since it can't seem to keep up with the 10's of 1000's of hits I'm getting per minute. I don't think that's right. I need help.

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Version 3.0.2
Anonymous Member IconReview

I really like NPF. It gives you SO much information about what's going on. It not only tracks almost every type of hit, but you can also click on it and actually get an idea of WHAT IT IS. You can even trace it back to its source, VISUALLY and by address lookup. NPF even suggests action you can take if you don't like the hit. It has stealth mode, a link to the Norton security test, and a few quick setup configuration options. You can check connected users.Our Mac mentality has us so used to bashing big companies that we're overlooking at least one company (Symantec) that is doing things right. Only complaint -- Panther update took too long.

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Version 3.0.2
Anonymous Member Icon

ok for some its still not out anywhere outside the US yet !

Symantec weclome to the world there are bilions of other people outside america.

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Current Version (5.x)


Downloads 10,955
Version Downloads 5,871
License Demo
Date 25 Jul 2012
Platform OS X / PPC 32 / Intel 32
Price $69.99