Defense and Homeland Security get the bulk of cybersecurity funding, but hundreds of millions go to other agencies.
Citing a need for 'full flexibility,' Hagel and Dempsey explain their plans to a House panel.
A proposed increase could enable the science agency to develop new satellites faster, but still might not prevent a coverage gap.
Budget 'rosier than expected,' reflecting role of technology as money-saver, analyst says.
While the budget provides an overall modest increase in IT spending, the changes range widely across individual agencies, from significant cuts to a 22.1 percent bump.
After months of talk about massive cuts, Obama's request for the Pentagon represents only a slight decrease from Fiscal 2012 funding.
The sequester's across-the-board requirements will be softened, but the overall budget cuts are here to stay.
Overall funding request is down, but key programs see significant bumps in Obama's budget request.
The president's budget proposal offers a middle ground between the austerity budget passed by the Republican-led House and the more liberal document approved by the Senate, with a mix of spending cuts and revenue increases.
Virtually all managers say budget cuts have hurt mission performance, but a select group is looking to evolve rather than scale back.
Cybersecurity, electronic warfare and supporting IT systems also safe wherever there is flexibility in the decision-making, top official says.
Could restrictions on buying IT from China prove "highly disruptive" to agencies?