Yahoo received some 29,000 government requests for data on its users this year, with almost half coming from the United States, according to the company's global transparency report released Friday.
With hackers seemingly running rampant online and millions of users compromised, efforts for stronger online identity protection—mainly using biometrics—are gaining momentum.
Yahoo on Monday ramped up its move to mobile, grabbing for Android smartphone home screens with an Aviate application tuned to where people are.
Yahoo said Sunday it plans to introduce "end to end encryption" for email this year to boost privacy protection for users concerned about snooping from governments or hackers.
Six of the biggest US technology firms are urging Congress to rein in the National Security Agency by requiring more transparency about surveillance and improved privacy protections.
Yahoo on Monday confirmed that it has bought image search specialty startup IQ Engines to add the company's technology to its Flickr photo service.
Yahoo Japan Corp. has developed a voice-activated Internet search that links to a 3D printer, letting users look online for blueprints to deliver solid objects in a few minutes, the company said.
Yahoo shares powered higher Thursday after a survey showed the struggling Internet giant topped a survey for US Web visitors for the first time since 2011.
Online video site Hulu is again up for sale, with Yahoo and pay TV operators DirecTV and Time Warner Cable among the seven bidders, according to a person with direct knowledge of the matter.