Blue Coat Systems, a provider of Web traffic filtering and business assurance products and services, plans to buy security analytics specialist Solera Networks, which uses data mining techniques to classify network traffic and detect potential security threats.

A survey of U.S. utilities shows many are facing frequent cyberattacks that could threaten a highly interdependent power grid supplying more than 300 million people, according to a congressional report.

Security researchers found serious vulnerabilities in the engines of several popular first-person shooter video games that could allow attackers to compromise their online servers and the computers of players accessing them.

A recent intrusion on the computer network of Norwegian telecommunications company Telenor was the result of a large cyberespionage operation of Indian origin that for the past few years has targeted business, government and political organizations from different countries, according to researchers from security firm Norman Shark.