1. Describe four strategies that you could use to minimise the dangers of using social networking sites to make new friends.
Know how to block and report unwanted users,
Never arrange to meet anyone alone
Always tell an adult first when arranging to meet someone
Always meet in a public place
Avoid inappropriate disclosure of personal data/set privacy settings/Avoid giving address or phone number when chatting
Avoid inappropriate disclosure of your own name/Avoid giving your full name
Avoid giving your address
Avoid giving your school name or displaying a picture in school uniform
Do not display pictures taken at home/Do not display pictures taken of the school with the name attached/Do not send pictures/videos of yourself to strangers
Ensure that the person you are befriending has very secure privacy settings
Check profiles before contacting people
Verify person’s contact details with other trusted people/friends

2. Explain why encryption is needed when transmitting data.
To cause data to be scrambled/encoded
Protects sensitive data…
…from being understood if it falls in to the wrong hands
Only user/computer with key can understand data
There are many safety issues associated with the use of computers. Describe three of these issues.
Electrocution by touching loose/bare wires/spilling liquids on electrical contacts
Tripping and falling over trailing wires or cables
Physical injury to feet/legs, etc. caused by heavy equipment falling
Fire caused by too many plugs in multisocket and thereby overheating/overheating of equipment

3. There are many health issues associated with the use of computers.
Name three of these health issues and for each one describe, in detail, a different cause.
Headaches/eyestrain
From staring at screen continuously
RSI in fingers
From continual typing/repetitive clicking of mouse
RSI in wrists
From repetitive clicking of mouse/continual typing
Backache
From sitting in same position all day

4. The action of sending emails to fraudulently obtain another person’s bank details is called Phishing
The action of illegally installing malicious code which redirects a person to a fraudulent website with the purpose of obtaining that person’s bank details is called Pharming
Unsolicited bulk s are called Spam
The action of sending text messages to fraudulently obtain another person’s bank details is called Smishing
An internet protocol for delivering private messages using cryptography is called https/SSL/TLS
An attachment to an electronic message used to verify the identity of the sender is called a digital certificate

5. Describe four methods you could use to minimise the likelihood of receiving spam emails.
Use a spam filter/anti-spam software
Do not reply to spam/suspicious messages
Do not click on any links/attachments in a spam/suspicious message
Use a disposable address
Use a complex user name
Do not give out your address online/do not register using on untrusted websites/opt
out of marketing
Read messages as text
Do not use your address as an online username
Changing to an provider who filter spam