Yr 8 - Network Threats (Systems Security)

Yr 8 - Network Threats (Systems Security)

Teacher - Please open the Lesson PPT too for starters / plenaries as well as links to videos

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Network Threats

​Social Engineering

Commonly involves tricking users into breaking normal security procedures over phone, email or in person.

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Fill in the Blank

Social Engineering...

Commonly involves ______ users into breaking security rules over the phone, via email or in person (e.g. clicking on an email attachment)

Open Ended

In your own words, what is Social Engineering?

Network Threats

Poor Network Policies

Users are usually the weakest link i.e. humans. Humans make mistakes e.g. using software they shouldn't, opening emails with attachments and turning off firewalls etc.

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Multiple Choice

Poor Network Policies.

What is usually the weakest link in an organisation?

• Old Software or Hardware that's easy to hack.

• Anti-virus software that isn't updated.

• An old technician who's not trained fully.

• The staff that work there - they make mistakes!

• Poor firewall settings - it lets traffic in it shouldn't!

Network Threats

Data Theft

Data travels across networks in packets

Packets can be intercepted.

Data can also be intercepted physically, for example portable hard drives and other external hardware can be stolen

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Multiple Choice

Data Theft...

• A hacker may try different password until access to an account is granted.

• Users are tricked into giving personal information.

• Attempts to flood a website with data requests.

• Tricking people to download malware or giving information (usually via email)

• Stealing data that is being transmitted or held.

Multiple Choice

Data Theft.

What could prevent or resolve data theft?

• Firewall.

• Anti-virus software.

• Fully Trained Staff

• Encryption

• Not using a Network i.e. using a Portable Hard Drive or a USB Memory Stick.

Network Threats

Malware

Malicious software designed to cause harm to a network or computer system

Attaches itself to programs or files on a computer or server

Can affect all components of an operating system

Some text here about the topic of discussion

Network

Threats

DOS Attack

A DoS attack attempts to flood a website server with an overwhelming number of data requests to crash or disrupt network sites - its a bit like being poked constantly by 1000 people at the same time! It distracts you!

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Network Threats

DOS Attack - also known as DDOS

Tell the person next to you, what's a DOS (DDOS) attack ​

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Multiple Choice

DOS attack...

• A hacker may try different password until access to an account is granted.

• Users are tricked into giving personal information.

• Attempts to flood a website with data requests.

• Tricking people to download malware or giving information (usually via email)

• Stealing data that is being transmitted or held.

Open Ended

In your own words, what is a DOS attack?

Network Threats

Brute Force

In a brute force attack, a hacker may go through a list of different passwords until access to an account is gained

Some text here about the topic of discussion

Plenary for Lesson 1

A bit of fun...

Use the internet to find one image in relation to each of hte following:

​Brute Force, Malware, Social Engineering, Data Theft & DOS attack.

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(make it like a collage on one powerpoint slide ---> )​

Some text here about the topic of discussion

Multiple Choice

Phishing...

• A hacker may try different password until access to an account is granted.

• Users are tricked into giving personal information.

• Attempts to flood a website with data requests.

• Tricking people to download malware or giving information (usually via email)

• Stealing data that is being transmitted or held.

Open Ended

Phishing Involves...

Multiple Choice

Brute Force...

• A hacker may try different password until access to an account is granted.

• Users are tricked into giving personal information.

• Attempts to flood a website with data requests.

• Tricking people via email

• Stealing data that is being transmitted or held.

​Go to Lesson PPT for URL to video.

​Go to Lesson PPT for URL to video.

Plenary for Lesson 2

A bit of fun... (again!)

You're going to write a 30 second rap (or poem if you must!) about Network Threats and their prevention.

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You're going to write it first and submit this via an assignment on MS Teams.​

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Some text here about the topic of discussion

Keyword to help you...

• Spyware

• Botnet

• SQL Injection​

• Brute Force

• Malware

• Encryption

• Firewall

• Anti-virus

• Tricked​

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