The chart shows the sky at the start of December. The positions of the stars on other nights can be found from previous charts (our last appeared on November 3) for they rise two hours earlier each month.
Facebook has launched ThreatExchange, a social network of sorts designed to allow companies to share information and intelligence about cyberthreats. The move is the latest example in how an age of cooperation may be emerging as companies increasingly battle cyberattacks of various stripes.
A German steel factory suffered significant damage after attackers gained unauthorized access to computerized systems that help control its blast furnace, according to a report published Friday by IDG News.
In the mid-nineteen-seventies, when Christopher Doyon was a child in rural Maine, he spent hours chatting with strangers on CB radio. His handle was Big Red, for his hair.