A ring of hackers that boasted it would pry into celebrities’ phones and e-mail accounts appears to have delivered on that promise. Reported hacks of actresses Scarlett Johannson and Mila Kunis led to racy photos posted on the web.

The FBI is reportedly investigating the alleged hack involving Johansson, as well as intrusions into the phone, Twitter and e-mail accounts of some 50 other celebrities, including Vanessa Hudgens and Jessica Alba.

A group calling itself Hollywood Leaks, self-identified as an offshoot of Anonymous, boasted last month in a YouTube video that it would be targeting...

Gamer Yuji Watanabe tries out a smartphone game at the Tokyo Game Show on Thursday.
Photo: Robert Gilhooly/Wired.com

CHIBA, Japan — Cellphones might be the smallest of gaming machines physically, but they’re making a big footprint at this week’s Tokyo Game Show.

The annual exposition of the newest and greatest Japanese videogames, taking place Thursday through Sunday at the Makuhari Messe convention center outside Tokyo, has traditionally been the home of blockbuster games for PlayStation 3, Xbox 360 and other dedicated gaming consoles. The Final Fantasies and Monster Hunters that the country’s g...