An optical isolator is a passive magneto-optic device that makes travel of light unidirectionally. The operation of the device is based on the Faraday effect. It is used in applications to avoid unwanted feedback to the system using the optical isolator. Optical isolators are also known as optoisolators, optocouplers and photocouplers.
A cybercriminal is an individual who commits cybercrimes, where he/she makes use of the computer either as a tool or as a target or as both. Cybercriminals use computers in three broad ways:
Cybercriminals often work in organized groups. Some cybercriminal roles are:
Clearly, there is much overlap between roles, but as cybercrime becomes a greater issue, more specialization is being seen as organized crime gets in the picture. For example, hackers were once more often than not hobbyists who broke into systems for personal gratification. While white-hat hacking hasn't disappeared, it's much more common now to see hackers as professionals who sell their services to the highest bidder.
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