A few wireless talks at ISA Expo added clarity to an issue I’ve been struggling with. In many control system security guidelines and standards the concept of a logical security perimeter is a key architectural component. NERC calls these electronic security perimeters. ISA call these security zones.
This makes perfect sense for a wired LAN. [...]

Pauldotcom’s latest security weekly (episode 66) elaborates on the usage of bluetooth in devices other then mobile phones. Apparently some vendors have integrated bluetooth into pole-top devices like transformers for monitoring purposes in the UK.
I’m not all that surprised about it being used for monitoring, but what about programming? Hopefully the companies purchasing and deploying [...]

The cover story of the June issue of InTech is on wireless. I didn’t see much new information in the article, perhaps with the exception of some survey numbers, but there were some bold statements.
“There are numbers of applications where wireless is cost effective and useful today,” said Wayne Manges, program manager of industrial wireless [...]

Although there has been a lot of research in sensor networking for a while now, products and solutions are starting to show up on the market.This was apparent on the floor at ISA last week.
It is important to note these are not 802.11 wireless LAN but shorter range, lower power (and throughput) mesh networks based [...]