((Malware Malware is short for Malicious Software designed to cause harm…

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Hacking Gaining unauthorised access to a computer with the intention of corrupting
or stealing data.

Data Theft Stealing digital information stored on computers or electronic devices to
obtain confidential information.

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Malware Malware is short for Malicious Software designed to cause harm to a

computer system. It is usually downloaded onto a computer unintentionally by

using the internet or from email attachments.

Examples include:

Virus

Worm

Trojan Horse

Spyware

Spamming Sending ‘junk’ emails, e.g. adverts for products; as a result, the inbox
becomes overloaded and time is wasted opening and reading such emails.

Phishing Sending emails that appear to be from a reliable source; these emails often
ask the recipient to update their personal information by clicking a hyperlink.

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Password A unique code that enables a user to log on to a certain file.

It should be at least 8 characters long and a mixture of numbers, uppercase

and lowercase letters and other symbols.

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Encryption This is the encoding of data before transmission and the decoding of the

data at destination. Data is meaningless if intercepted. Data can only be

decrypted using a key.

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Virus

Protection

Software used to protect the computer system from all forms of viruses

protects data from unauthorised access and corruption (from malicious

sources)

Firewall A software program monitors incoming and outgoing data. It prevents data

being hacked or unauthorised users from entering the network.

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Data Back

To make a copy of data

If data is lost the system must have some method of recovering the data

there is a copy of the data that can be loaded on to the system if the

original data is lost. Backup copies of data are stored on a variety of media.