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CYBERSECURITY BY TYRESE LECKIE

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 CYBERSECURITY Done By: Tyrese Leckie Date Created: October 11, 2025 Teacher: Mr. Howell Sub-Topic: Threats that people face and how it can be prevented What is cybersecurity?   Cybersecurity refers to the practices, technologies and policies used to protect computer systems, networks and data from unauthorized access, attacks, damage or theft. it ensures privacy, confidentiality, integrity and availability of digital information. In essence, it aims to defend computers and online platforms form attacks that can cause financial loss, data breaches, identity theft or disruption of services. Advantages of cybersecurity 1: Cybersecurity protects sensitive information.      Prevents personal, financial and business data from being stolen or misused.  2: Prevent financial loss.     Reduces the risk of fraud, hacking and costly cyber-attacks 3: Maintains trust and reputation.     Organizations that protect data gain the trust of customers and ...
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DATA FLOW DIAGRAMS

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DATA FLOW DIAGRAMS Done By: Tyrese Leckie Date Created: January 22, 2025 Teacher: Mr. Howell  Topic: Data Flow Diagrams INTRODUCTION TO DATA FLOW DIAGRAMS(DFDs) In today's world, understanding how data moves within a system is important for creating efficient processes. One tool that helps visualize and analyze this flow is the Data Flow Diagram (DFD). A DFD shows how data travels through a system, highlighting processes, storage areas and external connections. DFDs are popular in system design because they make complex systems easy to understand. Whether you're a student, developer or analyst, learning DFDs can help you break down systems, spot issues and improve processes.  In this blog, we'll cover the basics of DFDs including its definition, types, parts, advantages and disadvantages and the uses of them.  WHAT ARE DATA FLOW DIAGRAMS Data flow diagrams (DFDs) are visual representations of how data moves through a system, illustrating processes, data stores, data input...
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