"In Silicon Valley, there’s a new emphasis on putting up barriers to government requests for data.

"Traditionally, the response of banking regulators has been to issue microprudential rules, which seek to ensure the safety and soundness of individual banks such as mandating minimum capital levels.

"Here are the top 10 network security challenges faced by small and midsize businesses (SMBs) in 2015 and tips to address them.

Stephanie Vozza (photo, left) reports.