Cyber security expert: Much of our modern technology has its roots in systems that were in use many years ago. In certain industries, including healthcare, utilities and manufacturing, those original systems are still in use. In order for a cyber security professional today to fully understand the risks and how to address them, it helps to have a foundation in the old fundamentals. A recent discovery of a vulnerability in some Android devices, allowing someone with physical device access to interact with many of the basic phone functions is based on the old Hayes modem command set.”]