year 11

Network Threat and Security
Year 11

​Do Now

Open Ended

How can you get in or out of a Castle?

Open Ended

Why is network security important in today's world of internet and web technologies?

Fill in the Blank

A ___ is a system that filters network traffic to protect against unauthorized flows of data in or out of the network.

Multiple Select

Which of the following are methods used to protect networks?

• Firewall

• User privileges

• Ransomware

• Social engineering

Multiple Choice

What is social engineering in the context of network security?

• A method where hackers use tricks to get people to share secrets like their passwords.

• A type of malware that encrypts files and demands payment.

• A system that filters network traffic.

• A setting that controls user actions on a network.

Open Ended

Describe two reasons why it is important to be careful with passwords and have strong protections to stop hackers.

Open Ended

Explain how a cyberattack can impact a business and its customers, using the example of the UK retailer in 2025.

Multiple Choice

Which of the following best describes why network security is important?

• To ensure only authorized users can access sensitive data and prevent misuse, loss, or theft of information.

• To make networks faster and more efficient.

• To allow more devices to connect to the network.

• To reduce the cost of network hardware.

Multiple Choice

Which of the following is NOT a reason why good security is important for networks?

• To protect people from fraud and identity theft

• To protect organisations from reputational damage and legal consequences

• To make devices more expensive

• To protect devices from being hacked or damaged

Multiple Choice

Based on the information in slides 1 and 2, what are some common risks that network security aims to prevent?

• Fraud, phishing, identity theft, and data leaks

• Hardware failure and slow internet

• Increased network speed

• Better user experience

Open Ended

Explain why organisations in the UK must follow the Data Protection Act 2018 and what consequences they might face if they do not comply.

Fill in the Blank

Networks are extremely vulnerable to attack because they can ___ many locations and have many users.

Open Ended

Describe two ways in which weak devices can compromise the security of a network. Use examples from the slides to support your answer.

Multiple Select

Which of the following are examples of weak points that can allow attackers into a network?

• An employee’s laptop with no password

• An unprotected USB stick

• A student accidentally clicking a phishing link

• A secure server with strong encryption

Multiple Choice

Why did the ransomware attack in late 2023 force hospitals to postpone appointments and rely on manual record keeping?

• Because attackers exploited weak security on staff devices, disrupting digital systems.

• Because hospitals had too many patients to handle.

• Because there was a shortage of doctors.

• Because the internet was down in the entire country.

Open Ended

Explain how network policies can help prevent incidents like the ransomware attack described in the first slide.

Multiple Choice

Which of the following are examples of network policies?

• Acceptable use policies, archiving policies, backup policies, disaster recovery policies

• Password sharing, social media posting, online shopping, file deletion

• Network speed, device color, office location, employee age

• Lunch breaks, holiday schedules, dress code, parking rules

Fill in the Blank

An acceptable use policy (AUP) is a set of rules that users must ___ to.

Open Ended

List two likely rules that might be included in an acceptable use policy (AUP).

Fill in the Blank

Archiving policies may take account of guidelines such as ___ that specify how to treat personal data.

Multiple Choice

Which of the following is NOT typically included in a backup policy?

• The frequency of backups and who is responsible for them

• The type and location of the backup

• Protocols for naming and dating backups

• A ban on online gambling or social media

Open Ended

List two types of disasters that a disaster recovery policy should address.

Multiple Choice

What is the main purpose of a disaster recovery policy in an organization?

• To prevent all disasters from occurring

• To allow an organization to resume business quickly after or during a disaster

• To ensure backups are named and dated correctly

• To stop employees from using social media

Multiple Choice

Which of the following rules would most likely be found in an acceptable use policy (AUP) for a network?

• instructions for how often to back up important data

• a ban on online gambling or social media

• instructions for how to reinstall software from a backup disk

Fill in the Blank

Protecting data on networks is very important because networks carry sensitive information like personal details, payment information, and school records. If this data isn't protected, it can be ___, lost, or misused.

Open Ended

Describe two different types of harm that can happen if network data is not protected.

Open Ended

What is one key concept you learned about network security in this lesson?

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