Norton Internet Security 2003 review: Norton Internet Security 2003

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CNET Editors' Rating

4 stars Excellent
Review Date:
Updated on:

The Good Intrusion detection sniffs out Nimda-like worms; shuts down your Net connection after a period of inactivity; easier-to-use interface.

The Bad Support costs $30 per call.

The Bottom Line As an upgrade, Norton Internet Security 2003 is a solid package for the price. However, you can expect to pay a lot for technical support.

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Keeping your PC safe from hackers and virus-writing cranks is a breeze with Norton Internet Security 2003 (NIS). The software isn't free; so, if money's tight, the no-cost version of ZoneAlarm 3.0 remains your best bet. If you're willing to spend a buck or two, however, NIS 2003 will make it worth your while. Now with intelligent intrusion detection that sniffs out suspect data transmissions (the sneaky hack popularized by Nimda and Code Red), NIS 2003 protects you from backdoor break-ins. It has also added a bunch of other security and privacy tools, which let you, for instance, map the locale of hack attacks and stop pop-up ads. For $40 (after the rebate), this firewall/virus-killer combo is the best deal in town if you don't mind the expensive technical-support fees.

Editors' note:
Since this review was first posted, Symantec has removed a feature we liked from the final product shipped to customers. For details, please see our corrections page.


Keeping your PC safe from hackers and virus-writing cranks is a breeze with Norton Internet Security 2003 (NIS). The software isn't free; so, if money's tight, the no-cost version of ZoneAlarm 3.0 remains your best bet. If you're willing to spend a buck or two, however, NIS 2003 will make it worth your while. Now with intelligent intrusion detection that sniffs out suspect data transmissions (the sneaky hack popularized by Nimda and Code Red), NIS 2003 protects you from backdoor break-ins. It has also added a bunch of other security and privacy tools, which let you, for instance, map the locale of hack attacks and stop pop-up ads. For $40 (after the rebate), this firewall/virus-killer combo is the best deal in town if you don't mind the expensive technical-support fees.

Sweet installation
Are you intimidated by firewalls because they're too technical? NIS 2003 holds you by the hand right from the installation--a five-minute process that includes one reboot--to the final configuration. Give most of the credit to the Security Assistant wizard, which asks simple-to-answer questions to customize your protection.

On the NIS 2003 interface, the Status display's new green and red indicators tell you at a glance which options are active and which may need attention--very nice. Among other interface enhancements and additions, we like the new Block Traffic button the best. Borrowed from ZoneAlarm Pro, this one-click button shuts down all Net traffic, in and out, for those times when you want supersecurity. There's also a new Security Monitor, a smaller window that keeps all of NIS 2003's main features on the desktop.

Features
The heart of NIS 2003 remains Norton Personal Firewall (also available separately for $50 or $30 as an upgrade). Personal Firewall blocks malicious hack attacks while letting applications that you trust (and so designate) connect to the Net. As before, it's a snap to tell NIS 2003 which apps can connect. During installation the program automatically scans your drive for Internet-able programs, such as browsers, instant messengers, and e-mailers, and it automatically configures itself to allow those apps through the firewall. You can schedule these scans manually, as well.

What's more, the familiar Norton Alert Tracker pop-up still warns you if someone's trying to break into your PC. It immediately reports both unauthorized attempts by apps to access the Net and illicit port scans. In case of an unavoidable attack, version 2003's new Alert Assistant provides more information about any suspicious activity, including whether the program that's attempting to connect contains a digital signature, which means that it's probably trustworthy. NIS's new Visual Tracker not only traces threats to their origin, it also graphically maps their IP addresses.

While a personal firewall may be its backbone, NIS 2003 also includes the full version of Norton AntiVirus 2003, as well as tools that block pop-ups, pop-unders, banner ads, unwanted cookies, JavaScripts, ActiveX Controls, and even outgoing personal info, such as your credit card number. Supposedly, the new antispam tool, Norton Spam Alert, stops a significant amount of spam, but we couldn't test it thoroughly in the short time we had, so we must take Symantec's word for it.

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Norton Internet Security 2003

Part Number: 10024885
MSRP: $69.95 Low Price: $26.31 See all prices

Quick Specifications See All

  • Category security applications
  • Compatibility PC