Security Alert: Video surveillance systems under cyber attacks

Cybersecurity firm Kaspersky Lab has revealed that third-parties can hack video surveillance networks and manipulate the data transmitted through it.  In a study, researchers found that video surveillance networks can be hacked by a third-party seeking to exploit system configuration flaws.

“It is no secret that police departments and governments have been monitoring city streets for years, with security cameras proving invaluable in crime investigation and prevention. However, as a result of research conducted by Kaspersky Lab researcher Vasilios Hioureas and his fellow researcher Thomas Kinsey from Exigent Systems Inc., these systems could also be used in a harmful way,” the security firm said.

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Surveillance cameras were connected via a mesh network – a type of network in which nodes are connected with each other and serve as stepping stones for data (video feed in this particular case) on its way from a node to the control center.

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Instead of using a Wi-Fi hotspot or wired connection, nodes in such networks simply transmit data to the closest node which transmits it further through other nodes right to the command center.

The firm stated that if an intruder connects to a single node in the network, they will be able to manipulate the data transmitted through it.

Mesh-network based video surveillance systems are, in general, an inexpensive alternative to surveillance systems which require either multiple hotspots throughout a city, or miles of wires. But the security of such networks is heavily dependent on how the whole network is set up. “We undertook this research to highlight that cybersecurity also affects physical security systems, especially critical public systems like video surveillance. When building a smart city, it is extremely important to not only think about the comfort, energy and cost efficiency that the new technologies will bring, but also about the cybersecurity issues that might arise. Although the findings of this research were presented last august we have reasons to believe that its findings are still useful for city authorities that are planning to implement mesh-network based surveillance systems or implemented it already,” said Vasilios Hioureas, junior malware analyst, Kaspersky Lab and a co-author of the research.