Briefly noted

Energy’s unclassified networks still open to cyberattack
The Energy Department has failed to implement cybersecurity measures, leaving its unclassified computer systems and data open to hackers and employees who may not have authorization to access certain files, according to an audit report released by the agency’s inspector general.

WiMax emulator debuts
Elektrobit Corp. on Tuesday rolled out what it claims is the industry’s first radio channel emulator aimed at manufacturers of basestations and subscriber devices using WiMax, LTE and other 4G wireless network standards.

DHS radiation detection program may exceed cost estimates by $1 billion, GAO says
In a briefing for lawmakers and staff last week, the Government Accountability Office (GAO) estimated the cost of DHS’s program to equip ports of entry with radiation detection equipment will be $3.1 billion. This is $1 billion more than the agency told the White House and Congress it would cost last spring. The department’s Domestic Nuclear Detection Office (DNDO) estimated it would cost $2.1 billion to furnish ports with the equipment, an assessment GAO says “is unreliable because it omits major project costs and relies on a flawed methodology.”