IGCSE CS - 1.4 Security

IGCSE CS - Security

By Matteo Secondin

Open Ended

YOUR IDEA OF SECURITY

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https://www.youtube.com/watch?v=w1d81Teltl0​

​What is Cybersecurity? Cybersecurity Threats, Methods, and Technology

1.2.2 Security aspects of using the Internet and how to minimise the risks

HACKING : Gaining illegal access to a computer system

• Risk #1 = Identity theft or personal information gain

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• ​Risk #2 = deletion, changing o corruption of data

IGCSE COMPUTER SCIENCE - 1.2.2 Security aspects

1.2.2 Security aspects of using the Internet and how to minimizse the risks

MEASURES

IGCSE COMPUTER SCIENCE - 1.2.2 Security aspects

• ​firewall = Software or hardware that sits between a computer and external network that monitors and filters all incoming and outgoing activities

• Use of ANTI-HACKING software

1.2.2 Security aspects of using the Internet and how to minimizse the risks

MEASURES

IGCSE COMPUTER SCIENCE - 1.2.2 Security aspects

• AUTHENTICATION = A way of proving somebody or something is who or what they claim to be

  • PASSWORDS / 2 steps

  • ​BIOMETRICS

IGCSE COMPUTER SCIENCE - 1.2.2 Security aspects

IGCSE COMPUTER SCIENCE - 1.2.2 Security aspects

​BIOMETRICS = Use of unique human characteristics to identify a user (such as fingerprints, eye scanning, face or voice recognition)

1.2.2 Security aspects of using the Internet and how to minimizse the risks

VIRUS : A type of malware that can copy itself and spread to other computers attaching itself with other files

IGCSE COMPUTER SCIENCE - 1.2.2 Security aspects

1.2.2 Security aspects of using the Internet and how to minimizse the risks

MEASURES

IGCSE COMPUTER SCIENCE - 1.2.2 Security aspects

• Use an ANTIVIRUS SOFTWARE

• Don't use software from unknown sources

• ​Be cautious when opening attachments

Fill in the Blanks

The privacy of personal information, or other information stored on a computer, that should not be accessed by unauthorised parties is called data ...

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while, methods taken to prevent unauthorised access to data and

to recover data if lost or corrupted

are concerning data ...

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Gaining illegal access to a computer system :

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Risks can be for example identity...

Fill in the Blanks

Or deletion, change or corruption of ...

Multiple Choice

A software or hardware that sits between a computer and external network that monitors and filters all incoming and outgoing activities

• Anti-hacker software

• AntiVirus

• Firewall

• Proxy server

Multiple Choice

A type of malware that can copy itself and

spread to other computers attaching itself with other files

• Worm

• Virus

• BOT

• Adware

1.4.1 Need to keep data safe from

IGCSE COMPUTER SCIENCE - 1.4 Security

• ​ Accidental damage

  • corruption

  • human errors

• Malicious actions

  • unauthorised viewing

  • deleting

  • copying

  • corruption

1.4.2 HOW data are kept safe when

stored or transmitted​

IGCSE COMPUTER SCIENCE - 1.4 Security

• ​Password / biometric

• Firewalls ( software and hardware )

• Proxy servers

• Security protocols ( SSL / TLS ) ---> httpS

• Use of encryption ( key length --> encoding strength )​

1.4.3 Need to keep ONLINE systems safe from​ attacks

IGCSE COMPUTER SCIENCE - 1.4 Security

• DDoS

• phishing

• pharming​

IGCSE CS - Security

By Matteo Secondin

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https://www.youtube.com/watch?v=JZOLa7_LShk&t=405s​

​Different Types of Malware Explained | How does Anti-malware Detects them?​

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https://wordwall.net/play/28936/560/932​

Recap ​Crossword