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Articles on Security

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Members of the Yansakai vigilante group in north-west Nigeria surrendering their weapons, 2019. Kola Sulaimon/AFP via Getty Images

Nigeria’s terror group Lakurawa is nothing new – it exists because of government’s failure: analysts

Nigeria describes Lakurawa as a new terror group. It is not. It’s been operating along the Nigeria-Niger border since 1999, an indication of the region’s growing ungoverned spaces.
It’s not easy for computers to tell humans from other computers posing as humans. Andrii Shelenkov/Stock via Getty Images

CAPTCHAs: The struggle to tell real humans from fake

CAPTCHAs are a key part of the arms race between AI deceivers and AI deception detectors. A computer scientist explains how they work.
GOP 2024 Convention attendees use clear plastic tote bags, usually with convention-related names or terms. AP Photo/Jae C. Hong

‘MAGA BLACK’ hats, clear swag bags, the first Trump/Vance signs: Highlights of what the Smithsonian is archiving from the Republican convention

Tight security may be the reason that the GOP Convention isn’t filled with the homemade, and often wacky, stuff that’s usually found by Smithsonian political ephemera curators at the event.
Optimistic Scotland fans at the opening match against hosts Germany at Euro 2024. AP / Alamy

Euro 2024: why the host nation is required to protect the human rights of football fans

For host cities football fans are simultaneously potential consumers and criminals. But they have rights, and fan zones are a good way of protecting fans, the public and the streets.

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