Basic Steps Help Protect Personal Information From Hacking

The recent disclosure of extensive U.S. surveillance of phone and Internet communications has raised many technical questions, including how it is possible to sift through the mountains of data. It turns out that the government was collecting only so-called “metadata.”

U.S. government officials say the surveillance covered only metadata – the patterns of the phone calls and internet messages – not the substance of the communications.

According to reports, a majority of e-mail …

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