About Me
CompTIA CySA+
1 Threat Management
1-1 Threat Landscape
1-1 1 Identifying Threat Actors
1-1 2 Understanding Threat Vectors
1-1 3 Threat Intelligence Sources
1-1 4 Threat Intelligence Lifecycle
1-2 Threat Hunting
1-2 1 Threat Hunting Concepts
1-2 2 Threat Hunting Techniques
1-2 3 Threat Hunting Tools
1-3 Threat Modeling
1-3 1 Threat Modeling Concepts
1-3 2 Threat Modeling Techniques
1-3 3 Threat Modeling Tools
1-4 Threat Mitigation
1-4 1 Threat Mitigation Strategies
1-4 2 Threat Mitigation Techniques
1-4 3 Threat Mitigation Tools
2 Vulnerability Management
2-1 Vulnerability Identification
2-1 1 Vulnerability Scanning
2-1 2 Vulnerability Assessment
2-1 3 Vulnerability Identification Tools
2-2 Vulnerability Analysis
2-2 1 Vulnerability Analysis Techniques
2-2 2 Vulnerability Analysis Tools
2-3 Vulnerability Prioritization
2-3 1 Vulnerability Prioritization Techniques
2-3 2 Vulnerability Prioritization Tools
2-4 Vulnerability Remediation
2-4 1 Vulnerability Remediation Techniques
2-4 2 Vulnerability Remediation Tools
3 Cyber Incident Response
3-1 Incident Response Planning
3-1 1 Incident Response Plan Development
3-1 2 Incident Response Team Roles
3-1 3 Incident Response Plan Testing
3-2 Incident Detection
3-2 1 Incident Detection Techniques
3-2 2 Incident Detection Tools
3-3 Incident Analysis
3-3 1 Incident Analysis Techniques
3-3 2 Incident Analysis Tools
3-4 Incident Response
3-4 1 Incident Response Techniques
3-4 2 Incident Response Tools
3-5 Incident Recovery
3-5 1 Incident Recovery Techniques
3-5 2 Incident Recovery Tools
4 Security Architecture and Tool Sets
4-1 Security Controls
4-1 1 Security Control Types
4-1 2 Security Control Implementation
4-1 3 Security Control Monitoring
4-2 Security Tools
4-2 1 Security Tool Categories
4-2 2 Security Tool Implementation
4-2 3 Security Tool Monitoring
4-3 Security Architecture
4-3 1 Security Architecture Concepts
4-3 2 Security Architecture Design
4-3 3 Security Architecture Implementation
5 Compliance and Assessment
5-1 Compliance Requirements
5-1 1 Compliance Standards
5-1 2 Compliance Audits
5-1 3 Compliance Reporting
5-2 Assessment Techniques
5-2 1 Assessment Methodologies
5-2 2 Assessment Tools
5-2 3 Assessment Reporting
5-3 Risk Management
5-3 1 Risk Management Concepts
5-3 2 Risk Management Techniques
5-3 3 Risk Management Tools
6 Software Development Security
6-1 Secure Coding Practices
6-1 1 Secure Coding Principles
6-1 2 Secure Coding Techniques
6-1 3 Secure Coding Tools
6-2 Software Development Lifecycle
6-2 1 SDLC Phases
6-2 2 SDLC Security Practices
6-2 3 SDLC Security Tools
6-3 Software Testing
6-3 1 Software Testing Techniques
6-3 2 Software Testing Tools
6-3 3 Software Testing Security
7 Security Operations
7-1 Security Operations Concepts
7-1 1 Security Operations Roles
7-1 2 Security Operations Processes
7-1 3 Security Operations Tools
7-2 Security Monitoring
7-2 1 Security Monitoring Techniques
7-2 2 Security Monitoring Tools
7-3 Security Incident Management
7-3 1 Incident Management Techniques
7-3 2 Incident Management Tools
7-4 Security Awareness Training
7-4 1 Security Awareness Training Concepts
7-4 2 Security Awareness Training Techniques
7-4 3 Security Awareness Training Tools
6-2 Software Development Lifecycle Explained

6-2 Software Development Lifecycle Explained

The Software Development Lifecycle (SDLC) is a systematic process for building software that ensures the development of high-quality software. It includes several phases that guide the development process from inception to deployment and maintenance. Here, we will explore the key concepts related to the SDLC and provide detailed explanations along with examples.

Key Concepts

1. Planning

The planning phase involves defining the scope, objectives, and resources required for the project. This phase includes gathering requirements, conducting feasibility studies, and creating a project plan. For example, a project manager might define the scope of a new e-commerce platform by identifying key features and estimating the time and resources needed.

2. Analysis

The analysis phase involves detailed requirements gathering and analysis to understand the system's needs. This includes identifying user requirements, system requirements, and constraints. For instance, a business analyst might interview stakeholders to gather detailed requirements for a new customer relationship management (CRM) system.

3. Design

The design phase involves creating a blueprint for the system, including architecture, database design, and user interface design. This phase ensures that the system is well-structured and meets the requirements. For example, a software architect might design the architecture of a cloud-based application, including the database schema and API endpoints.

4. Implementation

The implementation phase involves writing the code and building the system according to the design specifications. This phase includes coding, unit testing, and integration. For instance, developers might write code for a web application using a programming language like Python and integrate it with a database.

5. Testing

The testing phase involves verifying that the system meets the requirements and functions correctly. This includes various types of testing such as unit testing, integration testing, and user acceptance testing. For example, a QA team might perform automated tests to ensure that the application handles user input correctly.

6. Deployment

The deployment phase involves releasing the system to the production environment for end-users. This includes installation, configuration, and user training. For instance, a DevOps team might deploy a web application to a cloud server and configure it to handle live traffic.

7. Maintenance

The maintenance phase involves ongoing support and updates to the system to ensure it continues to function correctly. This includes bug fixes, performance tuning, and feature enhancements. For example, a support team might monitor the application for issues and release patches to fix any bugs.

Examples and Analogies

Consider a secure building as an analogy for the SDLC. The planning phase is like the initial blueprint and feasibility study for the building. The analysis phase is akin to gathering detailed requirements from stakeholders, such as the building's purpose and occupants. The design phase is like creating the architectural plans and structural designs. The implementation phase is like constructing the building according to the plans. The testing phase is like conducting inspections and quality checks during construction. The deployment phase is like opening the building for use. The maintenance phase is like ongoing maintenance and repairs to keep the building in good condition.

By understanding and effectively applying the SDLC, organizations can ensure the development of high-quality software that meets user needs and functions reliably.

© 2024 Ahmed Baheeg Khorshid. All rights reserved.