All about viruses, hacking and backups By Harriet Thomas.

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Presentation transcript:

All about viruses, hacking and backups By Harriet Thomas

All about viruses

A virus is a piece of code that can attach itself to a program or file. A virus can spread from computer to computer. A virus could try to damage your software, your hardware or your files A virus can infect your computer without your permission or with you not knowing or

A virus can delete all your files. It is very hard to remove it from your computer. Some viruses do not do anything to your computer. Some viruses stop you from being able to use your computer. Some viruses do nothing harmful. There is viruses that spread themselves about without doing anything dangerous. You would get lots of pop ups asking you to download things.

Memory Resident Viruses Trojan Horses Worms Viruses Bootsector Virus Macro Virus Rootkit Virus Polymorphic Viruses Logic Bombs/Time Bombs ILOVEYOU virus Melissa Happy99

By not clicking on a link when getting an . By install anti-virus software every time it offers it to you. Do not use disks that other people gave you Do not click on pop ups that come up on you computer

They can slow down your computer when being updated. Some cost a lot of money Some anti-virus software you get online which could be a con Ones that are cheap don’t work very well

All about hacking

A hacker is someone who gets into your computer and can access you files without you knowing. People who hack other people are called hacker. They are cyber criminals. Hackers can get into your internet when you go to bed at night and leave your computer on. There is only a very small amount of hackers in the world.

They could get your personal information, such as credit card details. A hacker could install a program onto you computer. Some hackers put a program into your computer. This means hackers can do things. Hackers can write new files, delete files, edit files and do anything to your computer.

A fire wall, it prevents unauthorised intrusions into your computer system and allows authorised access only Update your computer with some software, you can just ask your parents if they will do It for you Turn your computer off at night before you go to bed by keeping your windows operating system up to date

Because if your computer breaks or you get hacked you will always have you files still. Another bad storage media are floppy disks. That hard drive will not live forever. probably you have everything saved on your PCs hard drive.

Disc’s Memory stick’sInternet cloud

If you put them on a disc put them in a locked cupboard Keep them in a safe place Put the on the internet as the does not crash Keep them as far away from your computer as possible.