Calder Walton says both seek to topple the United States from atop world stage, with China's blend of money, influence, all-hands-on-deck approach posing the greater threat.

Calder Walton recounts how Russia and China are using their intelligence agencies to reverse the outcome of the Cold War

Belfer Center experts on security, intelligence, and cybersecurity issues were interviewed on the recent leak of classified military intelligence documents allegedly by Airman Jack Teixeira.

Calder Walton explains why, as the 20th anniversary of the U.S.-led invasion of Iraq passes, it is useful to understand how China's intelligence and national security establishment reacted at the time.

Hostile foreign states are using weaponized information to attack the United States. Russia and China are disseminating disinformation about domestic U.S. race relations and COVID-19 to undermine and discredit the U.S. government. These information warfare attacks, which threaten U.S. national security, may seem new, but they are not. Using an applied history methodology and a wealth of previously classified archival records, this article uses two case studies to reveal how and why a hostile foreign state, the Soviet Union, targeted America with similar disinformation in the past

Calder Walton recounts the history of Cold War intelligence and explains the role of intelligence in the context of the Russian invasion of Ukraine.

Calder Walton unravels the details of Operation NEPTUNE, a disinformation campaign by the former Czechoslovak intelligence service intended to smear public figures in West Germany through forged Nazi documents.

Calder Walton recounts the history of World War II which shows that Britain and the United States were in a Cold War with the Soviet Union before they knew it. The same is true today: Britain and the United States are in a Cold War with Russia whether policymakers in London and Washington like it or not.

Matt Chorley is joined by two experts on Russia — Dr Jonathan Eyal from RUSI and Dr Calder Walton from Harvard — to dissect the Russia report, published by the British Parliament's Intelligence and Security Committee, and look at the country's history of interference abroad.

Calder Walton  analyzes Brexit's cascading series of repercussions for British intelligence.  He recommends that the UK invest in cyber/digital intelligence as a way out of the strategic intelligence quagmire that Brexit has placed it in.