How I keep my phone protected against stingrays (not that kind)
It’s been over a decade since the start of the Snowden leaks, which exposed mass surveillance programs in the US. I mention this because one of the smaller things Snowden (and others) drew attention to is the use of “stingrays,” also known as IMSI catchers. Police, military, and intelligence agencies have occasionally used these to intercept data on cellphone users without their knowledge – and criminals may now be making use of the technology as well....