Security analyst warns of cyber 'trench warfare' at Senate Homeland Security threats hearing

The Senate Homeland Security and Governmental Affairs Committee was warned about ongoing cyber “trench warfare” that targets sites with attacks unlikely to get national attention but that have an enduring impact on the economy, during the panel's hearing on evolving threats.

“First, I believe the United States is uniquely more vulnerable in cyberspace than other nations,” Kevin Mandia, CEO of security firm FireEye, told the committee. “We are a lot more dependent on the internet, technology and network infrastructure than...