What is the best CCTV camera in India

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Can a wired CCTV camera get hacked?

Nice doubt, to make you understand everything I have included an article in detail here. Find some time to check it out.

Your CCTV camera might make you feel physically safer, but after reading this article, it will sure make you feel virtually vulnerable. New research from cloud-based video surveillance company Cloud view suggests that the majority of CCTV systems can be hacked, providing an open door to cyber attackers.

The report, entitled Is your CCTV system secure from cyber attack?, says there are "major vulnerabilities" in both traditional DVR-based CCTV systems, as well as cloud-based video systems. Hackers can "easily" hijack connections to the device’s IP address, putting a lot of people, their properties and data at risk.

How did they do it? They placed five routers, DVRs and IP cameras on the open internet. They were all running their latest software and firmware. According to the report, one device was hacked within a few minutes, while the rest were done and dusted within a day. They didn’t say which device was the first, and the last to fall, though.

They did say that the traditional DVR-based systems had a problem with port forwarding and Dynamic DNS, as well as a problem with firmware updates, leaving the device open to back doors.

As for cloud video solutions, port forwarding was also an issue, as well as failure to use secure protocols and the lack of encryption.

"Any insecure embedded device connected to the internet is a potential target for attacks, but organizations don’t seem to realize that this includes their CCTV system,” said Andrew Tierney, the independent consultant who carried out the research. "It can easily provide a gateway to their entire network, enabling anyone with malicious intent to corrupt all their systems or extract huge amounts of data".

"Distributed denial-of-service (DDoS) attacks are now being triggered through CCTV cameras, showing that cyber criminals have identified them as vulnerable", added James Wickes, co-founder and CEO of Cloud view. "Organizations can increase their security immediately by changing user names and passwords from the default to something secure, and they should follow the Information Commissioner’s Office and Surveillance Camera Commissioner guidelines by encrypting all their CCTV data both in transit and when it is being stored. I’d also like to see the development of a ‘KiteMark’ to give users the assurance that their CCTV supplier had thought about security".

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Why are there LEDs around a CCTV camera?

The LEDs are not normal LED at home, they are IR LED which give red light at night and turn off at day time. There is a light sensor under the camera lens which control the LED turning on or off. LED lighting works much better than traditional lighting solutions, such as lower energy consumption and Superior quality illumination.

The LEDs are not normal LED at home, they are IR LED which give red light at night and turn off at day time. There is a light sensor under the camera lens which control the LED turning on or off. LED lighting works much better than traditional lighting solutions, such as lower energy consumption and Superior quality illumination.

The digital CCTV camera is like eyes of human and it also need to work at night, so the LED need to provide different wavelength from the sunshine. There about three kinds of range:

715-730nm - overt IR, produces a red glow like a red traffic light.
815-850nm - semi-covert IR with a faintly red glow only just visible.
940-950nm - covert IR invisible to the human eye.

Infra-Red light can be used to provide discrete or covert illumination for CCTV; to minimise light pollution; or to provide very long distance illumination. IR can be used with monochrome and day/night cameras. NB. As IR becomes more covert it becomes more difficult for the camera to see and consequently distances are reduced. 940-950nm IR should only be used with highly sensitive cameras fitted with high performance lenses. Focussing is also more difficult at those wavelengths as lenses start to operate more inefficiently with 940-950nm.

Besides these IR LEDs, there are some white light LED for CCTV too, they are always used to illuminate an area for the CCTV system; improve the overall level of illumination for key personnel; provide a welcoming environment for authorised personnel; and to deter crime by illuminating a secure area on intrusion; White Light can be used with monochrome, colour and day/night cameras.

When we talk about the light of LED, it always means the illuminance which is a measure of how much the incident light illuminates the surface. So some guy tell you the LED in 8 Lux is lighter than someone in 4 Lux. But there is also a the Inverse Square Law we need to notice.

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