The Solution: The most cost-effective way of implementing a secure tunnel to your IoT edge devices is by using cellular communication. Instead of worrying just about power consumption and communication, you now must rearrange the network architecture of your remote sites and add extra hardware, just to incorporate a secure tunnel. As you can see, adding a VPN complicates things at the edges of the network where things should be simple and cost-effective. To conclude, in order to set up proper secure tunnels to your IoT devices you need an additional costly hardware and IT department resources to manage every VPN tunnel, from the VPN server to every gateway at the edge device’s site. Usually IoT devices are by design very light in computing power and chances are that it probably doesn’t implement a VPN client module, therefore another endpoint such as VPN-gateway should be used. This means setting up a VPN for every device, or at least a group of devices which are locally related to each other. The rule of thumb is that the secure tunnel should be established between the company’s IoT servers and the IoT devices as close as possible to the edge. Implementing a VPN for IoT network is highly dependent on the nature of your edge devices, the networking architecture and communication channel that is used to connect to the outside world. Also, since a peer-to-peer connection is established from the edge device to the company’s server, it effectively prevents “man-in-the-middle” attacks. First, it encrypts and hides the actual communication channels of the IoT network for both the data and the command & control channels.
The Problems: Adding a secure tunnel to your IoT network has lots of benefits. As an IoT system developer or integrator that cares about security, have you really considered the most cost-effective way of implementing the typically recommended security recommendations? Furthermore, after the initial setup of the IoT network, adding more edge devices should be cost-effective ensuring suitable business growth. The pragmatism of the IoT eco-system is that edge devices should be as economical as possible to ensure higher profitability.
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It goes like this: change the edge device’s default login password to something “strong” and don’t forget to change it from time to time, make sure that the device has the most recent firmware, configuration, and security patches, communicate with the device using a secure encrypted tunnel (usually a VPN), close unused ports and apply access control using a firewall. “We don’t want any disruptions to the American supply chain.Almost every other article about IoT security ends with the same recommendations. “They’re going to continue to work as hard as they can at the table while everyone is out moving cargo,” Seroka said, adding he doesn’t see a strike on the cards. The Los Angeles port chief said dockworkers and employers are unlikely to reach a new contract by the expiration of the current one on July 1, but both sides have committed to keep operations running. “And now we’re starting to see just a little bit of an uptick, which are the peak-season goods.” Los Angeles “did not see the precipitous drop in cargo that some observers had called for -the ports and central government had prioritized this long haul cargo coming to Los Angeles, the southern California ports,” Seroka said.
Seroka has said cargo flows from China have been consistent despite the lockdowns, with freight moving through the Yangshan and Ningbo while Shanghai operations were shuttered. “While it’s fair to say that the ports in China were not closed, it’s also fair to say that the supply chain there was rather chaotic.” “What we’re going to see here in the next month or two is an accelerated number of calls for the volume that did not come during the ‘zero policy’ lockout slowdown,” Long Beach Executive Director Mario Cordero told Bloomberg Television in a separate interview, citing disruptions in transportation and labor shortages across the Pacific.
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