Daily Tech Briefing: August 8, 2014

There have been rumors circulating for months that Sprint was seeking a merger with T-Mobile, despite the fact that neither company would comment publicly about this alleged alliance.

Now, multiple media reports citing unnamed sources stated that the deal has been shelved. However, Sprint has announced that it is replacing its CEO, Dan Hesse, with Marcelo Claure, the founder and CEO of Brightstar, a subsidiary of SoftBank, Sprint's parent company. A Sprint spokeswoman stated that under Claure's leadership, the company will focus on becoming the most successful wireless carrier in the U.S.

Other news reports assert that Apple will unveil the long-awaited, larger-screen iPhone 6 models on Sept. 9. Previous rumors have suggested that Apple will release two iPhones this fall, one with a 4.7-inch display and the other with a 5.5-inch screen. The company did not respond to inquiries seeking more details about a planned launch date.

The open-source Drupal and WordPress content management teams have for the first time coordinated joint security releases to fix a new vulnerability. The flaw was reported by security researcher Nir Goldshlager and is a potential denial-of-service issue with PHP's XML processing module.

Both Drupal and WordPress are at risk from the flaw, since both use the same PHP module. Drupal is used on U.S. government sites, including WhiteHouse.gov and WordPress is deployed on more than 60 million sites. Both teams have issued patches to fix the flaw.

A researcher at the Black Hat USA conference is questioning the security of a number of devices used by the U.S. Transportation Security Administration.

Billy Rios, director of Vulnerability Research at Qualys, looked at three different devices used in U.S. airports in the United States—an X-ray scanner, the Kronos 4500 employee time-tracking system and the Itemiser—and found security issues in all of them.

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