By Marc Brown
Security is a heavily overloaded term, meaning different things to different people. In the embedded systems world, news on security is often about Stuxnet or similar attacks where an enemy can control devices remotely and shut them down, make them behave abnormally, or worse, cause equipment failure and destruction. In the enterprise world there is news of information breaches and sensitive data exposure which often seems to be unrelated to embedded systems. However, for embedded security it’s important to consider both the safe and correct behavior of the system and the data it may store or transmit. These two key areas of security concerns and priorities are as follows.