D1

How to avoid threats and risks of using the internet: 

• Dont accept friend requests from stranger, 
• change your password frequently
• make sure you never leave your computer logged on 
• never give away company information also never give your pin number or password out  
• never answers emails from unknown sources
• never mention work on social networks 
•  never mention going on holiday on social networks 
•  always check downloads for viruses  before download them 
•   

D2

the top left is the original image which would be good for making a poster out of it would be good because it wouldn't lose resolution  

the other two would be good for websites because they don't take up much space

the bottom right one is a GIF and i reduce to colors to 4 to save ink if it was used on leaflets

M2

There are many different risks of using it communication for example letting people know when your holiday a lot of people put on Facebook when they are away on holiday, if the wrong person see’s that your on holiday there is a chance that you could get burgled this is one of many risk of using it communication. Another risk of using it communication is getting spam emails and getting a virus on your computer/laptop which will ruin it completely. One more risk of using it communication is accidently  giving away your password which means people can get onto your account and invade your privacy