Edmund Dengler, eTrans Research Inc. and Leigh Whitcomb, Imagine Communications.
The need for security in the age of IP-based broadcasting has increased drastically because just as IP is more ubiquitous, it’s also more easily hacked.
Edmund Dengler, of eTrans Research Inc. and Leigh Whitcomb, an architect for Imagine Communications, presented a look at the risks that the move toward IP production are presenting to the broadcast industry.
Dengler began by saying, “This has actually happened before. Remember when the first security cameras were installed? They could easily be cracked into to gain access to the inside of a facility,” he said. “The same happened in the early days of VOIP (Voice over IP) when those insecure lines could be tapped into.”
He then described how his firm was contracted to test the security of a major bank, and tapped into their systems through their own phone PBX branch exchange.
He then described the network diagram of a typical IP security system, showing its vulnerability with the statistic that in 2016, 35% of traditional TV companies suffered cyber attacks.
It’s apparent that the Essence Devices have unsecured management, and one of them is devoid of ST 2022-7 (“Seamless Protection Switching”) protection.
“As systems are getting more complex, and stations have less staff, the situation is just getting worse,” Dengler said.
So what can we do for protection?
‘Well, you could put everything into a concrete bunker,” Whitcomb said, “but that is not practical. So you could isolate control systems, but if even one of them can be compromised, the whole network is vulnerable. The fact is, your data side has to be as secure as your control side.”
One solution is daily system upgrades, but the experts related tales of many organizations who had not upgraded their systems for over five years. Almost anyone could get access.
After running an elaborate series of tests, what Dengler and Whitcomb would suggest is a network configuration employing SMPTE ST 2059 which describes how to synchronize video equipment over an IP network.
It is based on IEEE 1588, which is the Precision Time Protocol (PTP) intended for local systems requiring accuracy beyond those attainable using Network Time Protocol (NTP) for clock synchronization between computer systems over packet-switched, variable-latency data networks.
“This leverages the security concerns of industries like telco and banking,” Whitcomb said. “So by using some rather simple and actionable technologies based on SMPTE standards, also being worked on by folks like Apple, the Joint Taskforce on Networked Media and others, we can push the industry forward.
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