On Wednesday, Microsoft released a security advisory warning users of active attacks using a previously unknown bug in Internet Explorer (IE) that affects users of versions six, seven of the browser.

FORBES: Criminal Exploits Targeting New Bug In Old Internet Explorer Versions

These claims are accompanied by the statistics from one area or another and of course a significant drop in heart attacks just as the smoking ban becomes active in that area.

FORBES: Smoking Bans Do Not Reduce Heart Attacks

That's what Kelleher--who, as chairman, still plays an active role--wanted to know soon after the attacks.

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