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Articles on Authentication

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Images generated by AI systems, like these fake photos of Donald Trump being arrested (he hasn’t been arrested), can be a dangerous source of misinformation. AP Photo/J. David Ake

Watermarking ChatGPT, DALL-E and other generative AIs could help protect against fraud and misinformation

In a world of increasingly convincing AI-generated text, photos and videos, it’s more important than ever to be able to distinguish authentic media from fakes and imitations. The challenge is how.
Beginning this summer, you might need to upload a selfie and a photo ID to a private company, ID.me, if you want to file your taxes online. Oscar Wong/Moment via Getty Images

Government agencies are tapping a facial recognition company to prove you’re you – here’s why that raises concerns about privacy, accuracy and fairness

Federal and state governments are turning to a facial recognition company to ensure that people accessing services are who they say they are. The move promises to cut down on fraud, but at what cost?
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Can I still be hacked with 2FA enabled?

Two-factor authentication is certainly an added layer of security as we traverse the online world. But it comes in various forms, and they’re not all equally protective.
Is this an impostor trying to break into your phone with his voice? Georgejmclittle/Shutterstock.com

Protecting your smartphone from voice impersonators

You can log in to your smartphone by talking to it. Current security systems don’t protect enough against imitators. The best way to ensure voice authentication is secure is to start with the sound.
No need for a bank: Just a smartphone and a blockchain. Houman Haddad/UN World Food Program

Can blockchain technology help poor people around the world?

Already becoming a darling of Wall Street, blockchain technology’s biggest real benefits could come to the world’s poorest people. Here’s how.
Big Blue Lavender Bay, one of the three paintings at the centre of trial. AAP Image/Genevieve Gannon

Is your artwork genuine and who can you trust to advise you?

The conviction of two men in relation to the sale of forged Brett Whiteley paintings indicates that Australia needs to get its act together when it comes to authenticating artworks.
Hold it right there. Michael Dalder/Reuters

What makes a ‘smart gun’ smart?

President Obama’s call for better electronic gun-safety systems put a spotlight on the technologies currently in the R&D pipeline that aim to make sure only authorized users can fire a gun.

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