For Cigna, a health insurance and benefits provider based in Philadelphia, the biggest security issue isn't necessarily neutralizing the virus du jour or fending off shadowy mobster-hackers - it's sifting through mountains of data.
"Sometimes we get overwhelmed because of all the information that comes out of the devices we're monitoring," says Craig Shumard, Cigna's chief information security officer. "It's data overload."
Cigna, which had $18.1 billion in 2004 sales, employs about 100 people in its information security management unit. Still, the company has for the past five years outsourced security event monitoring to Symantec, which looks at trends and detects when …
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