Good Gear Guide
In pictures: The 12 most powerful security compani...
Both admired and scorned over the years for its security efforts, Microsoft started the once-a-month tradition of “Patch Tuesday” in 2003 for releases of software updates for its products, an event that doesn’t go unnoticed due to Microsoft’s market share. Microsoft, ranked among the top 15 IT security vendors in terms of revenues by IDC, has grown savvier over time, working more closely with security researchers, and is now known for its aggressive effort to take down crime botnets operated worldwide that have seized control of vulnerable computers.
In pictures: The 12 most powerful security companies