If an attacker finds a flaw in the cloud, there is no need to scan the internet for DVRs because there's now one place of access to all of them. There would be no inbound access through your firewall and even a vulnerable device would not be exposed to the Internet at large.Ĭloud services can certainly provide security benefits such as not having to expose your CCTV DVR to the internet to view cameras remotely. Any remote access or monitoring would occur by accessing the cloud service. That configuration would allow the DVR or CCTV camera to communicate to the cloud service on the Internet. Instead of allowing inbound access into your own network from the Internet, you could simply enable what is typically a proprietary cloud service for your flavor of device.
Case in point: our previous blog post on Dahua DVRs.Ĭloud services seemingly provide a much better access option for these devices. Although effective, that method of access left what was in many cases a potentially vulnerable device exposed to the Internet and your internal network. If the ability to access these systems remotely was required it was most commonly achieved by opening a port on a firewall and allowing access from the Internet to the DVR or camera directly.
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Traditionally, closed circuit tv (CCTV) cameras and digital video recorders (DVRs) have been stand-alone, self-contained systems.
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