Video Surveillance Chapter 6 - 02 - Physical Security Controls PDF

Certified Cybersecurity Technician Network Security Controls - Physical Controls Exam 212-82 Video Surveillance Video surveillance refers to monitoring activities in and around the premises using CCTV (Close Circuit Television) systems CCTV systems can be programmed to capture motion and trigger ala...

Certified Cybersecurity Technician Network Security Controls - Physical Controls Exam 212-82 Video Surveillance Video surveillance refers to monitoring activities in and around the premises using CCTV (Close Circuit Television) systems CCTV systems can be programmed to capture motion and trigger alarms if an intrusion or movement is detected Surveillance systems should be installed at strategic locations in and around the premises such as parking lots, reception, lobby, work area, server rooms, and areas having output devices such as printers, scanners, fax machine, etc. ™ Bullet-type CCTV Camera f Basic Types of ) | CCTV Camera ‘ — " Dome-type CCTV Camera —— Copyright © by EC-Council. All Rights Reserved. Reproductionis Strictly Prohibited Video Surveillance Video surveillance refers to monitoring activities in and around the premises using closedcircuit television (CCTV) systems. Video surveillance is considered an important component of physical security. These systems protect an organization’s assets and buildings from intruders, theft, etc. A CCTV system is used as part of the organization’s security system. It covers a large area and is often placed near gates, the reception, hallways, and at the workplace. It captures footage of illicit activities inside the premises and helps monitor activities inside, outside, and at the entrance. CCTV systems are even programmed to capture motion and initiate an alarm whenever a motion or an object is detected. They help identify activities that need attention, collect images as evidence, and aid in an alarm system. The devices used for video surveillance should be automatic, powerful, and capable of pan/tilt/zoom to capture the action and store them for later review. Many aspects need to be considered for the installation, management, and maintenance of a video surveillance system in an organization; these include the camera, lens, resolution, recording time, recording equipment, cabling, monitoring system, storage devices, and centralized control system/equipment. Recording activities through CCTV and storing this footage for reference can also help facilities provide evidence in a court of law. It is also important to decide the type of lens, resolution, and area the camera should cover, and the time and date of the footage should be recorded. Another important aspect is the storage of video recordings and the storage duration. The organization must decide what will happen to old video recordings and how they will be disposed of. The following are a few considerations for video surveillance systems: = Install surveillance systems at the parking lot, reception, lobby, and workstation. Module 06 Page 650 Certified Cybersecurity Technician Copyright © by EG-Council All Rights Reserved. Reproduction is Strictly Prohibited. Certified Cybersecurity Technician Network Security Controls - Physical Controls Place output devices such under surveillance. Exam 212-82 as printers, scanners, and fax machine in public view and Integrate surveillance with an alarm system. Establish a policy for the duration for which recorded videos should be kept and later disposed. Store all devices in secure locations with limited access. Use proper disposal procedures such as content deletion, overwriting, and physical destruction. The following are the different types of CCTV cameras available commercially. Dome CCTV: Mainly used for indoor security and surveillance purposes, dome CCTV cameras are built as dome-shaped devices to prevent any damage to the camera or destruction. It is impossible to locate the direction to which such cameras are moving; thus, they allow for observing areas at a wide angle and cover larger areas. Speed dome CCTV camera units provide a facility with pan/tilt/zoom and spin features, allowing the operator to move the camera according to their need. P R Figure 6.9: Dome CCTV Bullet CCTV: Bullet CCTV cameras are used for indoor and outdoor surveillance. They are generally placed in protective covers that keep away dust, rain, or any other disturbance. A bullet CCTV camera usually has a long, cylindrical, and tapered shape that facilitates long-distance surveillance. ) = ,’\« { ’/" / — 8 4 Figure 6.10: Bullet CCTV Module 06 Page 651 Certified Cybersecurity Technician Copyright © by EC-Gouncil All Rights Reserved. Reproduction is Strictly Prohibited. Certified Cybersecurity Technician Network Security Controls — Physical Controls = Exam 212-82 C-mount CCTV: A C-mount CCTV camera consists of detachable lenses, which provide \\ A \\ W\ surveillance with a coverage distance of more than 40 ft. Other CCTV camera lenses provide a coverage distance of only 35-40 ft. The C-mount allows different lenses to be used according to the distance to be covered. Figure 6.11: C-Mount CCTV Camera * Day/night CCTV: Day/night CCTV cameras are commonly used for outdoor surveillance. They can capture images even in low light and darkness. These types of cameras do not require infrared illuminators to capture images. They can capture clear images under glare, direct sunlight, reflections, etc. Figure 6.12: Day/Night CCTV Camera * Infrared night-vision CCTV: Infrared night-vision CCTV cameras are commonly used for outdoor surveillance and can capture images in complete darkness. Infrared LEDs are used for areas having poor lighting. Figure 6.13: Infrared Night Vision CCTV Camera Module 06 Page 652 Certified Cybersecurity Technician Copyright © by EG-Gouncil All Rights Reserved. Reproduction is Strictly Prohibited. Certified Cybersecurity Technician Network Security Controls - Physical Controls = Exam 212-82 Network/IP CCTV: Network/IP CCTV cameras are available as both wired and wireless models. They allow sending images over the Internet. A wireless IP camera is easier to install than a wired camera because the former does not require any cabling. Figure 6.14: Network/IP CCTV Camera = Wireless CCTV: Wireless CCTV cameras are easier to install than wired cameras and use different modes for wireless transmission. b3 Figure 6.15: Wireless CCTV Camera * High-definition CCTV: High-definition CCTV cameras are mainly used in sensitive locations that require greater attention. They allow operators to zoom into a particular area. Module 06 Page 653 Certified Cybersecurity Technician Copyright © by EC-Council All Rights Reserved. Reproduction is Strictly Prohibited.