CNN Week 9

Hackers have attacked the government agencies, defense contractors, energy companies and banks by exploiting the software flaw in Internet Explorer.Among those still using Windows XP are the Defense Department, the IRS, and bank ATMs. That's a problem, because Microsoft has taken its 12-year-old operating system off life-support, ceasing security updates. It's easy to ignore Internet security scares, especially when there's a deluge of news about them. In the month of April alone, we were bombarded with news about the pervasive Heartbleed bug, a massive AOL hack and the Internet Explorer Glitch. A typical power plant, for example, makes expensive investments on equipment that's meant to last decades. It's common to find 1970s-era software on turbines, Kennedy said. That's a danger.