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Learn: Data Security
Cambridge Nationals IT Level 1/Level 2
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Welcome!Today we'll learn about Data Security, an essential concept in IT. Protecting data helps prevent unauthorised access and ensures sensitive information stays safe.
What is Data Security?Data Security refers to measures used to protect digital information from unauthorised access, corruption, or theft. It's important because organisations and individuals rely on secure data for privacy, safety, and trust.
EncryptionEncryption is the process of converting data into a coded format so only authorised users can read it. For example, websites use encryption to protect payment details during online shopping.
Quick check: What does encryption do?
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Access ControlAccess Control limits who can view or edit data. For example, employees in a company may only access files relevant to their role.
Match the items on the left with their correct pairs on the right
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FirewallsA Firewall is a security system that monitors and controls network traffic. It helps block unauthorised access to private networks, like a digital shield protecting your computer.
A firewall prevents {{blank0}} access to a {{blank1}} network.
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Anti-Malware SoftwareAnti-Malware Software identifies and removes harmful software like viruses or spyware. It protects computers from cyber threats that can steal or damage data.
Which of the following improve data security? (Select all that apply)
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Review Time!Great work! You've learned about Data Security, including encryption, access control, firewalls, and anti-malware software. Let's test your understanding with a few questions.
What does a firewall do?
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Encryption is used to {{blank0}} data during transmission.
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Which tools are part of data security? (Select all that apply)
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