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Evidence isn’t always as straightforward as it might first seem. Mai Lam/The Conversation NY-BD-CC

Trust Me, I’m An Expert: Brain-zapping, the curious case of the n-rays and other stories of evidence

Brain-zapping, the curious case of the n-rays and other stories of evidence. The Conversation, CC BY70,4 MB (download)
You've had an x-ray before but have you had an n-ray? Of course not, because they're not real. But people used to think they were. Today, on Trust Me, I'm an Expert, we're bringing you stories on the theme of evidence.
It’s a cat and mouse game that could put our online privacy and security at risk. Shutterstock/welcomia

As surveillance gets smart, hackers get smarter

As governments look to new ways to step up surveillance, hackers find new ways to subvert it. Is there a way to end this cat and mouse game, described as a crypto-war?
Former ASIO head David Irvine saw data retention and metadata as effective counter-terror measures. But experience overseas is proving otherwise. Lukas Coch/AAP

The security benefits of warrantless surveillance are as clear as mud

The value and utility of the NSA’s metadata retention programs – which formed the template for Australia's metadata regime – have too often been over-exaggerated.
Would reporter Bob Woodward have been able to protect Deep Throat’s identity from today’s surveillance tools? Reuters/Alex Gallardo

How surveillance is wrecking journalist-source confidentiality

Four decades on, in a digital era of surveillance and data storage, Watergate remains a useful yardstick for assessing the value of source confidentiality.
Mountains of data are being collected on you, and much of it is beyond your grasp. kris krüg/Flickr

Beyond metadata: the brave new world of big data retention

Metadata is only the beginning. The Big Data trend means there's a lot more information about us out there that can be tracked or monitored.

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