New Jersey Transit has added audio and video surveillance to some of its trains for security reasons. Critics say it's an invasion of privacy. Joel Rose/NPR hide caption

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Your Conversation On The Bus Or Train May Be Recorded
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A protester supporting Apple in its battle against the FBI holds up an iPhone that reads "No Entry" outside an Apple store in New York on Feb. 23. Bryan Thomas/Getty Images hide caption

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Apple Vs. The FBI: The Unanswered Questions And Unsettled Issues
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The 227-year-old law at the center of the Apple-FBI debate has withstood several challenges, including at the Supreme Court. Xinhua News Agency/Getty Images hide caption

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How A Gambling Case Does, And Doesn't, Apply To The iPhone Debate
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Worcester Polytechnic Institute professor Susan Landau is sworn in alongside Apple General Counsel Bruce Sewell (left) and New York County District Attorney Cyrus Vance at a congressional hearing on encryption on March 1. Samuel Corum/Anadolu Agency/Getty Images hide caption

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Why Digital Security Is An 'Arms Race' Between Firms And The Feds
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Members of the Secret Service follow President Obama as he arrives at Northwestern University in Evanston, Ill., in 2014. Brendan Smialowski/AFP/Getty Images hide caption

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CIA Director John Brennan made this case against encryption on Monday at the Center for Strategic and International Studies in Washington, D.C. Win McNamee/Getty Images hide caption

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After Paris Attacks, Encrypted Communication Is Back In Spotlight
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Computer chips are seen on newly-issued credit cards. In an effort to reduce counterfeiting and credit card fraud, more than 200 million payment cards have been issued with embedded computer chips in the U.S. ahead of an Oct. 1 deadline, according to the Smart Card Alliance. Mike Blake/Reuters/Landov hide caption

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No More Swiping: New Credit Cards Designed To Reduce Theft
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Canadian Judge Grants Former Guantanamo Inmate Bail
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Canadian-born Omar Khadr is seen in a courtroom sketch during a 2010 hearing at the U.S. military prison at Guantanamo Bay, Cuba. He was moved to a Canadian prison in 2012. Janet Hamlin/AP hide caption

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Japanese Prime Minister Shinzo Abe with U.S. Defense Secretary Ash Carter earlier this month in Tokyo. Abe's visit to the U.S. this week features an agreement for the Japanese military to have a more active role. Franck Robichon/AP hide caption

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For Japan's Prime Minister, U.S. Visit A Chance To Elevate Image
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Biometrics are increasingly replacing the password for user identification. iStockphoto hide caption

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Biometrics May Ditch The Password, But Not The Hackers
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Former Blackwater security guards were sentenced Monday for the shooting of dozens of Iraqi civilians in Nisour Square in Baghdad, Iraq. The square is seen here on Sept. 20, 2007, four days after the incident. Khalid Mohammed/AP hide caption

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