"… icity grid, a potentially vulnerable target for U.S. enemies.The volume of malicious software and online attacks targeting overall U.S. computer networks has tripled in …"

"… be a PDF of an e-mailed industry newsletter; the attachment then released malicious software onto the company computer. Homeland Security’s response team was called …"

"… Security’s team found evidence of a targeted attack — versions of malicious software that had been specially adapted to the organization, allowing hackers to r …"