Just about everybody has a personal computer (laptop or desktop), a tablet and/or a smart-phone. People are just replacing them with newer more powerful versions. Increasingly all TV's sold are 'smart' and can be connected to the internet.
Wearable technology like 'fit-bits', Apple and Samsung watches are beginning to be popular. Cars too are not being being left out, getting connected to the internet speaking to one another and traffic management systems.
The real growth in the future though is going to be in the The Internet of Things (IOT).
The IOT is a term that describes everything becoming connected. We're used to phones and computers talking to one another, but the IOT includes things that are usually considered 'dumb'. So your fridge will automatically place orders for items you are in danger of running out off - don't forget the milk. Watches and sensors will monitor your health sending data to your doctor's surgery: your doctor will be able to contact you, before you become aware aware you're ill.
Transport systems will become smarter, knowing where you are through GPS (Global Positioning System) and will be able to tell you the best or cheapest way of getting to your destination.
Entertainment systems will learn what music, what programmes or you-tube channels you like. They will automatically record or divert entertainment to whatever device being used.
Power will only be supplied when you need it. Houses will become smarter. Heating, lighting and security systems will be able to be controlled remotely.
All these devices connected to one another creates real problems for security. Each one creates a possible point of entry for a hacker. Imagine, your identity get stolen because a hacker gained access to your details through your fridge.
Upwards ... always upwards. Growth in data can be described as exponential in that its doubling each year. The graph probably under estimates data growth, especially when as we move towards the internet of things (IOT) with more devices generating and storing their own data.
And what's an Exabyte of data? A lot ... a vast swimming pool's worth of data. If you think that an average desktop computer comes with 1 Terabyte drive (1024 Gigabytes) then an Exabyte is the equivalent to a billion Gigabytes. Now we are storing thousands of Exabytes and beginning to discuss Zettabytes (1 Zettabyte = 1 Trillion Gigabytes).
1000 Exabytes equals 1 Zettabyte. So the graph shows by 2020 we'll be producing about 40 Zettabytes worth of data each year.
1 zettabyte is equivalent to 152 million years of high-definition video and that's a lot cat clips on on You-tube!
The graphic gives an indication of how much data is added each minute and is going to increase. Just think 72 hours of video added each minute to You-tube alone. While nearly all of it will be rubbish, the problems of finding what you really want is going to get harder and harder.
And as the pool of data grows, the problems of security are going to increase together with the increased opportunity for crime.
With WiFi, devices no longer have to be connected to each other by wires. This makes it very easy to add additional devices to a network and have them all working together.
Connecting 'Things' together is good. It brings greater advantages than devices can bring when they work on their own. But, because there are no wires, and WiFi extends over big distances they are vulnerable to hackers and come with their own dangers.
Successful hacking and creating successful defences against hacker attacks, depends upon developing unanticipated attack ideas and then thinking about how you would defend against someone using that plan.
With your attack plan, don't think about the actual technical details of how to do it - that will come later. It just a broad outline that needed.
If you don't feel confident in meeting any of these performance criteria, ask your teacher or re-read the information again.