Internet of Things - a system of devices connected to the internet with the ability to collect and exchange data from users or environment with no human intervention
IoT- could be any device embedded with electronics software and sensor like a smart refrigerator, a smart air conditioner, lights in household, connected security systems or even a person with a heart monitor or an automobile
Why IOT
we are lazy
we want to automateeverything
we want to control everything remotely
we want to see data in real-time
Sensors - are fitted everywhere across every devices collecting real-time data consistently
unique id -which makes the communication possible among them
Cloud - store this huge sum of data
Big data - large and complex that becomes difficult to analyze using traditional data processing techniques
analytics - deals with the extraction of meaningful information from big data
1990 - john romkey create first iot device - toaster
1999- kevin ashton coins iot describing the eyes and ears of computer
2000- lg introduces first connected refrigerator
2008 - world first iot conference held zurich switzerland
2010 - tony fadell founds nest - smart thermostat
2013 - oxford dictionart adds internet of things
2014 - amazon introduces the echo speaker along with alexa voice assistant
2016-mirai botnet infects over 600000 devices with malware
2020 - the number of internet connected devices exceeds 20 billion
Application
buildingandhome automation
environment monitoring
medicalandhealthcare system
smart transportation
smart manufacturing
energy source management
Hacking - is a term used to describe actions taken by someone to gain unauthorized access to computer
Malware - is one of the more common ways to infiltrate or damage your computer. Malicious software that infects your computer such as computer viruses, trojan horses, spyware and adware
Pharming - a common type of online fraud - point you to a malicious and illegitimate website by redirecting the legitimate url
Phishing - is used most often by cyber criminals because its easy to execute and can produce the results they are looking for
Ransomware - a type of malware that restrict access to your computer or your files and displays a message that demands payment in order for the restriction removed
Lock - screenransomware - displays an image that prevents you from accessing your computer
Encryption ransomware - encrypts files on your systems hard drive and sometimes on shared network drives
digital age - also known as information age - is a period when computer and internet were introduced
Industrial revolution - brought the rapid shift from traditional to computerization
ICT - group of interrelated technologies
social change - referst to a transformation of culture and social organization structures over time