Firewalls and antivirus applications used to suffice. When intrusions gained momentum, security staff worked late coding patches and hot fixes. But now that "zero-day exploit" is the name of the game, security experts struggle to devise ways to defuse malware and other nefarious intent before catastrophe strikes.

An early warning solution would be an asset, especially to a global enterprise with thousands of network devices serving millions of customers. Fortunately, such "security alarms" are now available. Our experts recommended the leading brands, along with strategies on how they can be deployed most effectively.

By Ruby Bayan at ZDNet.

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