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The Cybersecurity Lair™ • November 17, 2023

101 | Security Architecture and Engineering | System Architecture

Welcome to the wild and wacky world of system architecture! In this zany journey through the land of 1s and 0s, we'll explore the fundamental concepts of system architecture with a twist of humour. Our target audience? Cybersecurity newbies who are just starting their adventure into the realm of digital defence.


Meet the Components


Picture this: Your system is like a quirky family reunion. You've got a bunch of oddball relatives (components) who need to work together without throwing a hissy fit. These components can be hardware (the eccentric aunt with too many gadgets) or software (the mischievous cousin who loves to play tricks). System architecture is all about organising this motley crew into a well-behaved, functioning unit.


Architectural Styles - A Fashion Show for Systems


Systems have style too! Just like fashion trends, there are different architectural styles to choose from. Monolithic is the classic tuxedo, while microservices are the casual jeans and t-shirt combo. Pick your style wisely, as it'll define how your system struts its stuff in the digital world.


Design Patterns - The Blueprint for Success


Ever put together a piece of IKEA furniture? Design patterns are like those instruction manuals that magically help you make sense of all the parts. We've got the Singleton (one chair, one user), the Observer (listening for when someone sits), and many more. They're like the cheat codes to system design!


Scalability - Going from Garden Shed to Skyscraper


Imagine your system as a building. Scalability is how you decide if it's a one-story shack or a towering skyscraper. Can it handle more people without collapsing like a house of cards? Make sure your system grows like a champ, not a chump.


Reliability - Your Digital Bodyguard


A reliable system is like a trusty sidekick, ready to save the day. We're talking about redundancy (having a Plan B) and failovers (like having a stunt double). No bad guys can break in when your system is as tough as Fort Knox.


Performance - The Fast and the Furious


Speed matters! Your system should be the Flash, not the sloth. The right architecture choices can make your system zoom like a sports car or crawl like traffic during rush hour. Choose wisely, young cybersecurity padawan!


Security - The Digital Bouncer


Ah, security, our silent guardian. Building strong digital doors (authentication), knowing who's on the VIP list (authorization), and keeping secrets safe (encryption) are all part of the game. Don't let cyber-criminals crash the party!


Interoperability - Making Friends in Cyberspace


In the digital world, your system shouldn't be a loner. It needs to play nice with others. Interoperability means speaking the same language and getting along with the neighbours. After all, it's a small cyber-world!


Data Management - The Information Overlord


Data is king! Managing data is like ruling your own kingdom. From choosing the right storage solutions (the castle) to organising data flows (the royal roads), it's all about keeping the kingdom safe and sound.


Communication - When Components Text


Your system's components need to chat. Think of them as friends sending funny cat videos to each other. The right communication protocols and data formats are like making sure they all speak LOLcat fluently.


Maintainability and Extensibility - Future-Proofing Your Castle


Imagine your system is a castle. Castles need maintenance and room for expansion (moats, anyone?). Design your system so it's easy to fix and add new features. Be the wise ruler of your digital kingdom.


Documentation - The Treasure Map


What's a good adventure without a treasure map? Documentation is your guidebook to the system. It's like the "X marks the spot" that helps others understand your creation.




So there you have it, brave cybersecurity learners! System architecture is your treasure map in the wild, wacky world of digital defence. We hope this hilarious guide helps you navigate the intricate world of system architecture with a smile. Remember, in the realm of cybersecurity, even the nerdiest concepts can be a barrel of laughs!


Sources and further reading.


Harris, Shon & Maymí, Fernando. CISSP EXAM GUIDE Seventh Edition. New York McGraw Hill Education, 2016.


System Architecture - Detailed explanation. (2023, June 22). InterviewBit.
https://www.interviewbit.com/blog/system-architecture/ 

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