The West has worried about Vladimir Putin's "red lines" in Ukraine. A Cipher Brief expert thinks the U.S. should have "red lines" of its own.

The damage to Hamas and Hezbollah have altered the landscape of the Middle East. Experts say that may bring danger - or a ...

Prior to his appointment as a senior fellow at the Belfer Center, Mr. Rolf Mowatt-Larssen served over three years as the Director of Intelligence and Counterintelligence at the U.S. Department of ...

MEMO TO THE PRESIDENT — Since Donald Trump’s victory in the November 5 election, The Cipher Brief has covered the potential implications a second Trump term for various national and global security ...

REVIEW — At first glance, Portraits of Ukraine appears to be a standard coffee table book, strangely out of place in a venue ...

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Hamas and Hezbollah will continue their 'struggle' despite decreased military capability after Oct. 7. So what is the way forward?

Hollie McKay is a writer, war crimes investigator, and the author of “Only Cry for the Living: Memos from Inside the ISIS ...