Internet giant Yahoo! said in a letterto users that it has received up to 13,000 requests for information from US law enforcement agencies in a six-month period ending May 31.
The letter titled “Our Commitment to Our Users' Privacy” was posted on company's Tumbler page late on Monday, and was signed by Yahoo! CEO Marissa Mayer and the company's top lawyer, Ron Bell. Yahoo!, along with Facebook, Microsoft and Apple, have come under heightened scrutiny since word leaked of a vast, covert Internet surveillance program by the US Government, which it insists targets only foreign terror suspects.