Who is a spy and what does that mean? An expert explains
Mourners stand in a queue to lay flowers at a makeshift memorial in front of the Crocus City Hall in Krasnogorsk, after 137 were killed in a terrorist attack.
Nikolay Vinokurov/Alamy
Cuba gets less attention as an espionage threat than Russia or China, but is a potent player in the spy world. Its intelligence service has already penetrated the US government at least once.
Investigating the site of the explosion outside al-Ahli Arab Hospital, as seen on Oct. 18, 2023, first requires independent, credible experts to have access to the area in question.
Ali Jadallah/Anadolu via Getty Images
The hospital blast site has largely been cleared, Hamas says. But a forensic scientist explains what other evidence independent experts could look to while conducting an investigation.
Israeli soldiers move past a military medical vehicle on Oct. 10, 2023, at Kfar Aza, a kibbutz where Hamas militants killed Israelis days before.
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Israel’s intelligence capacities are considered some of the best in the world – but unlike the US, it does not have a central organization coordinating all intelligence.
The July 2023 NATO summit in Lithuania saw movement toward expanding the alliance.
Paul Ellis/Pool Photo via AP
Terror alerts, such as the one recently issued by the US and UK embassies in Abuja, should be taken seriously by the Nigerian government as well as citizens.
US president Joe Biden speaks with his ‘old friend’, CIA director William J Burns (left), during a national security team meeting in the White House.
Adam Schultz/White House Photo/Alamy
With a formidable Kremlinologist in charge and Donald Trump out of the presidential picture, has the CIA regained its influence amid the ‘new cold war’?
The story of a Dutch double agent who spied on the Stasi. Listen to The Conversation Weekly podcast.
U.S. National Security Adviser Jake Sullivan speaks about the Ukraine crisis during the daily White House press briefing on Feb. 11, 2022, in Washington, D.C.
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The US dramatically changed how it shares intelligence in the period before the Russian invasion of Ukraine.
Commercial satellite companies provide views once reserved for governments, like this image of a Russian military training facility in Crimea.
Satellite image (c) 2021 Maxar Technologies via Getty Images
National security professionals and armchair sleuths alike are taking advantage of vast amounts of publicly available information and software tools to monitor geopolitical events around the world.
Marines at Camp Post, Afghanistan, Sept. 11, 2020, on the 19th anniversary of the terror attacks that began the U.S. war there.
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Investigations of the 9/11 attacks show that a short, unstable transition between two presidents can weaken US security. Trump’s sweeping staff changes compound the risk, experts say.
The home of MI6 in central London.
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Intelligence officials in many countries are concerned the company could be helping the Chinese government spy on companies, military units and government agencies.