Northrop Grumman set an important environmental goal in 2010: to reduce its greenhouse gas emissions by about 25% over the next five years. And

The biggest business challenge today, in the minds of many information security officers, is the stealthy online infiltration by attackers to steal valuable proprietary information. The reality, they say, is that these so-called "advanced persistent threats" are so rampant and unrelenting they are forcing IT to rethink network security.

An 18-month-old cybersecurity research consortium organized by Northrop Grumman is making progress and should have technologies ready to deploy in about a year, officials said Wednesday.

Northrop Grumman today apologized for an outage that began last Wednesday and caused 26 Virginia state agencies to lose their Web services, some for more than a week.