Internet Security Unit 1 e Safety II Internet

Internet Security Unit 1 – e. Safety - II Internet and Information Safety Lesson on Backup

Learning Objectives Keywords : • Backup Unit 1 – e. Safety - II Be aware of the risks involved when using a computer. To know what third thing you should do to prevent a virus attack on your PC. PLTS (Personal Learning and Thinking Skills): To develop Independent enquirers – by completing the AVP exercise and answering the questions. Effective participators – by focussing on the task and completing it in the time given. Creative learners – by reflecting on how many ways you can keep your files safe.

How to prevent a virus attack Unit 1 – e. Safety - II Make sure that you have anti-virus software on your computer. Get the anti-virus software to scan your hard disk. If a virus is found, the software will either remove it or quarantine it.

Task 1: Keeping Security up-to-date (8 min) Unit 1 – e. Safety - II • On your computer, it is important to keep security up-to-date. You do this by setting your security settings. • Let’s have a play! Check how safe the system is: Start My Computer (T: ) Shared ICT Year 8 Unit - Internet Safety AVP • Complete the All AVP Worksheet. doc Use the Security Centre to answer the questions. We will review in 8 minutes.

How to prevent a virus attack 2 - Firewalls Unit 1 – e. Safety - II • A firewall examines all traffic between two networks to see if it meets certain criteria. A firewall filters both inbound and outbound traffic. • Anyone who is responsible for a private network that is connected to a public network needs firewall protection. • Furthermore, anyone who connects as a single computer to the Internet via modem should have personal firewall software. • Examples of firewalls: Norton, Mc. Afee, AVG…

How to prevent a virus attack 3 - Backing Up Unit 1 – e. Safety - II • • What is backing up? Why should you do it? What can you backup onto? Do you, honestly backup?

Level 5+ File Sizes Unit 1 – e. Safety - II Why is it important to backup? What can you backup onto? File Example Size Equivalent to Word processed document 700 KB An mp 3 file 4000 KB (4 MB) 6 documents A DVD video 4000 MB (4 GB) 1000 mp 3’s

Unit 1 – e. Safety - II Device Average Capacity Typical Use Floppy Disk 1. 44 MB Home / Not used Zip Disk 100 MB Home / University CD-R 750 MB Home / Work CD-RW 750 MB Home / Work DVD-R 3. 5 GB Movie Production / Backup DVD-RW 3. 5 GB Movie Production / Backup USB Storage 8 MB – 16 GB Home / Work Flash Memory 8 MB – 16 GB Home / Work Hard Disk Drive 2 GB – 500 GB Home / Work Magnetic Tape 4 GB – 520 GB Work / Professionals BD (Blue Ray DVD) 27 GB WOW! HD-DVD U 15 GB - 45 GB WOW!! NEW: Holographic Storage 300 GB WOWEEE! Coming in 3 years: Advanced Holographic Storage 1 TB 250, 000 mp 3’s on one disk! (a quarter of a million songs)

Today’s Main Task: Fact Sheet Production Unit 1 – e. Safety - II • Create a 1 page fact sheet in a program of your choice: • LEVEL 3/4: Your fact sheet must tell me what a virus is, what a firewall is and what backing up is. Audience: Year 7 • LEVEL 5: As Level 4, but you must also explain how you keep virus software up-todate and what the dangers of not doing so are. Audience: Year 8 • LEVEL 6: Create a report, explaining everything from today’s lesson in detail, as well as discussing what problems viruses cause. ALL: Suitable graphics should be used. Save in your Internet folder.

Keywords Unit 1 – e. Safety - II Virus: Program that interferes with the computer by deleting the system files. System files: Essential instructions that tell the computer how to work. Firewall: Program that protects your computer from uncontrolled access from the Internet. Back up: Security copy of the files or documents created and kept in the PC.

Plenary Unit 1 – e. Safety - II • What should you do to keep your files safe from a virus attack?