Webwire: US states seek AT&T merger block; Apple beefs up security

Pressure continues to mount against AT&T’s bid to acquire T-Mobile USA, with seven US states backing an antitrust lawsuit to block the deal.
Apple is establishing a new product security division to help keep its prototype devices under wraps and keep blueprints from falling into the hands of black-market counterfeiters.
The European Commission is still investigating whether Google breaches antitrust laws by abusing its dominance in internet search, according to competition commissioner Joaquin Almunia.
Sony is gearing up to banish PlayStation Network users if they refuse to sign a waiver protecting the firm from legal action in the event of future security breaches. The network was shut down by a hack attack in April.
Takashi Sensui, the head of Microsoft’s Japanese gaming division, says a lack of product recognition is to blame for poor sales of the firm’s Kinect motion sensor, but predicts an upturn once Windows 8 launches.
Private equity firm Silver Lake is mulling a bid for Yahoo that would see it sell off the internet company's Asian assets, and attempt to turn around its main operations.
Lawyers say Chinese regulators are calling for restrictions on the corporate structure used by companies such as Baidu and Sina to list overseas.
The Philippines' PLDT and takeover target Digitel claim they have had to put expansion projects on hold while waiting for a long-delayed government decision on whether to approve a planned merger.