Are you sure that your inbound / outbound SMS will work while roaming?… Read More

SMS Text Messages: A Goldmine to Exploit Another day, another piece of the Snowden papers. This is probably the least surprising revelation from the Snowden papers. Texts are sent in the clear, and always have been. i.e. there is no encryption in the SMS standard. Vodafone are reported to be “shocked and surprised”, although I’m… Read More

In the Interests of National Security? A very interesting article came to light over the weekend. Aftenposten.no (Norway’s Evening News – their largest newspaper) runs a story on GSM and A5/1, the encryption standard within GSM, reporting how the British requested weaker encryption. We have the Washington Post reporting that the NSA can break one… Read More

A Very Brief History of Telecoms We’ve been writing a description of how our VSIM hosting service works. To help understand it’s helpful to take a lightning speed, but somewhat technical, tour of the history of telecoms. I’ve conflated a few steps to smooth our journey a little! We’ve come a long, long way since… Read More