"While playing around with the Nmap Scripting Engine (NSE) we discovered an amazing number of open embedded devices on the Internet. " After completing the scan of roughly one hundred thousand IP addresses, we realized the number of insecure devices must be at least one hundred thousand. Starting with one device and assuming a scan speed of ten IP addresses per second, it should find the next open device within one hour. The scan rate would be doubled if we deployed a scanner to the newly found device. After doubling the scan rate in this way about 16.5 times, all unprotected devices would be found; this would take only 16.5 hours. Additionally, with one hundred thousand devices scanning at ten probes per second we would have a distributed port scanner to port scan the entire IPv4 Internet within one hour. [more inside]
posted by jquinby
on Mar 18, 2013 -
The Brookings Institution’s Metropolitan Policy Program
(led by Bruce Katz
) has just released its The State of Metropolitan America
report (full pdf
). The report builds on eight years of the Census Bureau’s American Community Surveys
; and includes a spiffy State of Metropolitan America Indicator Map
of changes in population indicators at state, metropolitan, and suburban levels.160;160;
Some interesting findings
posted by stratastar
on May 8, 2010 -
- America's suburbs are now more likely to be home to minorities, the poor and a rapidly growing older population as many younger, educated whites move to cities for jobs and shorter commutes.
- Two-thirds of primary cities in large metropolitan areas grew from 2000 to 2008
- For the first time in several decades, the population is growing at a faster rate than households, due to delays in marriage, divorce and births as well as longer life spans. People living alone and nonmarried couple families are among the fastest-growing in suburbs.