There are times and situations when security executives or law enforcement need to mount a covert investigation or monitoring event that may include cameras, sometimes infrared and low light, or audio.

Speaking of a supply chain security challenge, one of United Iron and Metal’s warehouses is outdoors in a hard-scrabble urban neighborhood of Baltimore, and it sprawls over more than 20 acres with one boundary chockablock against railroad tracks. Unwanted visitors were a relentless headache... until John Creighton, the director of security at United Iron and Metal, did something about it.

Even though Wilson Kipsang focused on winning the race, wireless video, among other security efforts, covered his back at the recent New York Marathon. Turn on a kitchen light, and thank a wireless camera for keeping the electric utility’s substation up, running and pumping out those kilowatts. And that No. 8 bus to work? Passengers can lean back in their seats knowing security personnel can view the inside scene in real-time all along the route.

Organized retail crime. Crowd management. Emergency preparedness. Disaster recovery. Active shooter. Welcome to retail shopping these days.

What do famous TV surgeon Marcus Welby and Tim Mendiola, a real-life security officer, have in common? Beyond their different and equally essential tasks, both are on-call when not with a patient or patrolling a site.

So what do famous TV surgeon Marcus Welby and Tim Mendiola, a real-life security officer, have in common?

I used to write stories like this on a typewriter back in the day. My articles turned out to be a mass of White-Outs to counter typing mistakes. It all made me dizzy. Today’s computer technology even auto-corrects my words, which sometimes is not a good thing.

Overall, a wireless mesh network is a communications network made up of radio nodes organized in a mesh topology. Wireless mesh networks often consist of mesh clients, mesh routers and gateways.

Mass notification has become a key element of campus safety and security. John Dellacontrada, assistant vice president of media relations at the University of Buffalo, New York, says he sought a “solution that we could deploy quickly and consistently, one that would work on desktop and mobile devices to get a message broadcast via various ways and that could work with our existing emergency public address system.”

NASA and the U.S. Department of Homeland Security are collaborating on a first-of-its-kind portable radar device to detect the heartbeats and breathing patterns of victims trapped in large piles of rubble resulting from a disaster.