Comptia Security+, Security, Technology

Security+ Course – 3.7 Software Development Security

1. Development Methodologies Waterfall Model https://www.tutorialspoint.com/sdlc/sdlc_waterfall_model.htm This is the first SDLC developed in the 1970’s by Winston Royce. The waterfall Model illustrates the software development process in a linear sequential flow. This means that any phase in the development process begins only if the previous phase is complete. In this waterfall model, the phases do not overlap This approach does allow…

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Comptia Security+, Security, Technology

Security+ Course – 3.5. Secure Staging and Development

1. Software Staging and Release Deploying code without processes (the wrong way to do it) Surprises end users Introduces security flaws Causes operational disruptions Increases the difficulty of rolling back flawed code Stage 1 – Development Environment Allows developers to develop and modify code Stage 2 – Test Environment Facilitates human and automated testing Stage 3 – Staging Environment Prepares…

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Comptia Security+, Security, Technology

Security+ Course – 3.4 Secure Systems Design

1. Operating System Types Workstation OS Desktop and laptops Typically Windows or OSX, sometimes Linux Server OS Designed for special purpose computers that provide services to others Usually this is Windows Server or Linux Mobile OS This is designed for smartphones and tablets iOS, Android or Windows mobile Kiosk computers devices placed inside of specilaised furniture with limited functionality OS…

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Comptia Security+, Security, Technology

Security+ Course – 3.3 Security Network Design

1. Security Zones Standard Network Zones A network can be split up into different security zones. typically a boarder firewall will have 3 interfaces connecting to these different zones: Connection to the internet Connection to the internal network Connection to the DMZ (Demilitiarised Zone).  This contains the public facing services (email servers, web servers). IF these get compromised the firewall…

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Comptia Security+, Security, Technology

Security+ Course – 3.2 User Training

1. Security Education There are 2 important components of security training programs. Security training: this provides users with the knowledge they need to protect the organisations security Security Awareness:  Keeps the lessons learned at the front of the users mind. EG: posters, email reminders etc… Security Training Methods instruction in onsite classes as part of new staff induction or orientation…

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Comptia Security+, Security, Technology

Security+ Course – 3.1 Security Design

1. Legislative and Regulatory Compliance Compliance Obligations There are 4 main types: Criminal law: deter and punish acts detrimental to society (murder, theft, hacking etc…). This can result in jail time Civil law: designed to resolve disputes between civilians, organisations etc… This cannot result in jail time Administrative law:  Facilitate effective government by allowing agencies to carry out their duties.…

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