Opinion | The Worm That Nearly Ate the Internet

The real break came when the creators tried to refine Conficker’s already extraordinary cryptography. Months after Mr. Rivest submitted the MD6 proposal to N.I.S.T., a flaw was discovered, corrected and resubmitted. As with the original version, this correction was...

Meet Silicon Valley’s UFO Hunters

There would be nothing more disruptive than the sudden discovery of aliens. Perhaps that’s why a small contingent of Silicon Valley is so interested in UFOs—and wants to know who’s piloting them. With US Navy pilots coming forward to talk about their...