Immunity passports are a very old idea. And they have many problems, not all of them directly privacy-related. What are these problems and why are they, if anything, made worse by digital technology?

In Germany, a large cloud service provider for restaurants was revealed to be horribly unsecure, possibly leaking tens of thousands of addresses, collected for mandatory coronavirus contact tracing, to the public.

A recent scandal involving the military intelligence service in Denmark once again clearly demonstrates how important whistleblowers are to the general public.

Current research suggests that my initial hunch was correct: Measuring distances between phones via Bluetooth signals doesn't work well. If at all.

By explaining what socialism means in its historical context, I aim to give listeners a better understanding of what the alternatives to capitalism are. Which is important for further discussions of the surveillance economy.

The European Court of Justice has declared that the current measures for the exchange of private data between the EU and the US do not satisfy the data protection rights of EU citizens and are therefore illegal.

The story of how police cracked the encryption of the EncroChat phone is not only important to criminals who used these devices, but also an interesting case study of how such systems are attacked in practice.

German fintech darling Wirecard has collapsed among allegations of fraud, money laundering and very underhanded practices. But the things coming to light about the company and its executive Jan Marsalek now are even more egregious than anything we had heard so far.

The EARN IT Act is on its way to become law in the US and might make it impossible for service providers to keep effective end-to-end encryption in place for their products. And with that, it seems the Crypto Wars are back in full swing.

German police has started using coronavirus tracing lists from restaurants for criminal investigations. A look at the limits of the GDPR and other data protection regulations in the face of what everyone alleges is an overriding health crisis.