Internet Firms Step Up Efforts to Stop Spying

Already, the Snowden revelations threaten to erode the market share of American technology companies abroad.

When Marissa Mayer, Yahoo’s chief executive, recently announced the company’s biggest security overhaul in more than a decade, she did not exactly receive a standing ovation.

Ordinary users asked Ms. Mayer why Yahoo was not doing more. Privacy activists were more blunt. “Even after today’s announcement, Yahoo still lags far behind Google on web security,” said Christopher Soghoian, a technology analyst at the American Civil Liberties Union.

For big Internet outfits, it is no longer enough to have a fast-loading smartphone app or cool messaging service. In the era of Edward J. Snowden and his revelations of mass government surveillance, companies are competing to show users how well their data is protected from prying eyes, with billions of dollars in revenue hanging in the balance.

On Thursday, Microsoft will be the latest technology company to announce plans to shield its services from outside surveillance. It is in the process of adding state-of-the-art encryption features to various consumer services and internally at its data centers.

The announcement follows similar efforts by Google, Mozilla, Twitter, Facebook and Yahoo in what has effectively become a digital arms race with the National Security Agency as the companies react to what some have called the “Snowden Effect.”

While security has long simmered as a concern for users, many companies were reluctant to employ modern protections, worried that upgrades would slow down connections and add complexity to their networks.

But the issue boiled over six months ago, when documents leaked by Mr. Snowden described efforts by the N.S.A. and its intelligence partners to spy on millions of Internet users. More than half of Americans surveyed say N.S.A. surveillance has intruded on their personal privacy rights, according to a Washington Post-ABC News poll conducted in November.

The revelations also shook Internet companies, which have been trying to reassure customers that they are doing what they can to protect their data from spying. They have long complied with legal orders to hand over information, but were alarmed by more recent news that the N.S.A. was also accessing their data without their knowledge.

“We want to ensure that governments use legal process rather than technological brute force to obtain customer data — it’s as simple as that,” said Bradford L. Smith, Microsoft’s general counsel, in an interview.

Mr. Smith said his company would also open “transparency centers” where foreign governments can inspect the company’s code in an effort to assure them that it does not plant back doors for spy agencies in its products.

Already, the Snowden revelations threaten to erode the market share of American technology companies abroad.

In India, government officials are now barred from using email services that have servers located in the United States. In Brazil, lawmakers are pushing for laws that would force foreign companies to spend billions redesigning their systems — and possibly the entire Internet — to keep Brazilian data from leaving the country.

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