The Washington Post reported that defense experts are investigating how last weekend's Microsoft "Slammer" worm managed to disrupt such vital services as ATM banking and the 911 emergency operations of two suburban police departments and at least 14 fire departments across the US and Canada. The article notes that Microsoft included the flawed code in some popular consumer products, including Office XP.
http://www.washingtonpost.com/wp-dyn/articles/A53442-2003Jan28.html
- CNET reported that Microsoft was itself a victim of the Slammer worm, having failed to install the recommended security patches on its own servers. http://news.com.com/2100-1001-982305.html