How Microsoft fights off 100,000 attacks per month
Microsoft maintains valuable intellectual property on its internal network, including the source code to all its operating systems and applications. These are constant targets for hackers, and Microsoft tries to protect its most valuable assets with defenses in depth; they are behind firewalls and on networks segmented with IPsec. In addition, the entire network is monitored for suspicious activity, scanned for malware and so on.
What do I mean by a constant target? Last year, Microsoft IT said it was the target of more than 100,000 intrusion attempts per month. Currently, Microsoft filters out about 9 million spam and virus e-mails a day out of 10 million received. Yes, that means that roughly 90% of incoming e-mails are spam. How Microsoft fights off 100,000 attacks per month
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