XXIII (@Maskoff023) header
XXIII (@Maskoff023) profile picture

From curiosity to cybersecurity. SOC Analyst Linux | Networking | Security Operations Sharing lessons, labs, and beginner-friendly insights.

Lagos Nigeria
Joined September 2024
Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)Photo by XXIII (@Maskoff023)
XXIII retweeted
DTO uses the exact workflow you see on the job as a SOC Analyst. Practice how you play 😤 Great overview of the SecOps Labs @Maskoff023 !
How do you actually solve a Security Operations lab? I put together a quick walkthrough using a DefendTheOrg lab, from reading the alert to investigating logs, selecting the right evidence, and making the final triage decision. If you're trying to build practical SOC skills, this is the kind of practice you should be doing. Learn. Investigate. Make decisions. Build proof. Try it yourself 👇
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Getting better during the Weekend 👏 This is the kind of thing that separates true Defenders 🛡️
How do you actually solve a Security Operations lab? I put together a quick walkthrough using a DefendTheOrg lab, from reading the alert to investigating logs, selecting the right evidence, and making the final triage decision. If you're trying to build practical SOC skills, this is the kind of practice you should be doing. Learn. Investigate. Make decisions. Build proof. Try it yourself 👇
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XXIII retweeted
SQL is the way of the past and still the way of the future. Sure, your agents can query your data lake via MCP or CLI. But often when I need an answer quick, I still go query by hand. Sure, you agents can write your detections. But I still review and understand the query to make sure it meets my exact use case. And sure, your agents can reason their way around investigating alerts. But you know what’s still faster? Deterministic workflows where AI reasons on the collected data. I still ideate, review, and edit this queries by hand. SQL is here to stay.
Your SIEM is showing you thousands of events. Now imagine your manager asks: “Find every failed login from this IP in the last 24 hours.” This is where knowing SQL becomes useful. Cybersecurity generates a ridiculous amount of data. Knowing how to ask that data the right questions is a skill every aspiring SOC analyst should build. @defendtheorg has a SQL Basics path where you can start practising this from the ground up. Stop treating SQL as a “developer skill.” It’s a data investigation skill too.
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How much the tester knows changes what the test proves. Known → Full map and credentials Partially known → Some details Unknown → Nothing, like an outsider Hunting deep internal flaws? Known. Testing what an outsider sees? Unknown. • Old names: white, gray and black box
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XXIII retweeted
Your SIEM is showing you thousands of events. Now imagine your manager asks: “Find every failed login from this IP in the last 24 hours.” This is where knowing SQL becomes useful. Cybersecurity generates a ridiculous amount of data. Knowing how to ask that data the right questions is a skill every aspiring SOC analyst should build. @defendtheorg has a SQL Basics path where you can start practising this from the ground up. Stop treating SQL as a “developer skill.” It’s a data investigation skill too.
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XXIII retweeted
How do you actually solve a Security Operations lab? I put together a quick walkthrough using a DefendTheOrg lab, from reading the alert to investigating logs, selecting the right evidence, and making the final triage decision. If you're trying to build practical SOC skills, this is the kind of practice you should be doing. Learn. Investigate. Make decisions. Build proof. Try it yourself 👇
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XXIII retweeted
I honestly wonder why most of you haven't started taking advantage of the real-world cybersecurity scenarios you can find on DTO. You keep asking: “What should I learn?” “How do I get experience?” “How do I become job-ready?” But when you have a platform giving you structured paths, realistic scenarios, hands-on challenges and problems that actually make you think like a security analyst, many of you are still watching another 3-hour YouTube video. At some point, you have to stop consuming and start practising. DTO can help you build practical cybersecurity skills in months if you actually put in the work. Not by magically making you job-ready, but by giving you a place to learn, practise, make mistakes, solve problems and build proof of what you can do. If you're serious about getting into cybersecurity, what exactly are you waiting for? Go explore it yourself: defendtheorg.com/r/MASKOFF02…
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XXIII retweeted
DTO just added its 10th skill: Purple Teaming. And I think this is one of the features that makes the platform different. So what exactly is Purple Teaming? It’s about bringing the Red Team and Blue Team perspectives together. The Red Team thinks like the attacker: How would an attacker gain access? What techniques would they use? How would they move through the environment? What would their attack chain look like? The Blue Team looks at the other side: Did we detect it? What logs were generated? Did our SIEM or detection rules catch it? What did we miss? How can we improve the detection? Purple Teaming connects both sides. You take an attack or adversary technique, see what the defensive controls catch, identify the gaps, tune your detections, map the activity to MITRE ATT&CK, and then test the attack again. That creates a really useful learning loop: Attack → Detect → Identify gaps → Improve → Test again. For cybersecurity students, this helps connect the theory you're learning to what actually happens during an attack and how defenders respond. For SOC analysts and Blue Teamers, it helps you think beyond simply responding to alerts. You start understanding why the attacker generated those alerts in the first place and how your detection could be improved. For aspiring Detection Engineers and Threat Hunters, this is especially valuable because you're practising the process of turning attacker behaviour into meaningful detections. And for Red Teamers, understanding how defenders detect your activity gives you a better understanding of the defensive side of the environment. That's why I think Purple Teaming is such a valuable addition to DTO. It's not just another collection of labs. You're being encouraged to understand both sides of the fight and use that knowledge to improve security. This is one of the reasons I consider DTO unique. If you're learning cybersecurity, go explore the Purple Team section and see what they're building. defendtheorg.com/r/MASKOFF02…
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XXIII retweeted
Suspicious Login Pattern Hunt Scenario: A threat intelligence team discovers that employee credentials from a recent third-party breach may be circulating on the dark web. The team wants to know: Are any of those compromised credentials already being used to access the organisation? As the analyst, you’re given VPN authentication logs and asked to investigate suspicious login activity. The interesting part is the hypothesis: An attacker may be using compromised employee credentials to access internal systems from an unusual geographic location. There’s also an important piece of context: HR confirmed that no employees are currently travelling internationally. So now you have to investigate the login patterns, look for unusual locations and behaviour, and determine whether the activity could indicate credential abuse. This is the kind of scenario I like seeing beginners practise because it puts you in the mindset of an actual analyst. You’re not just learning what threat hunting means. You’re given a hypothesis, business context, logs and a security problem to investigate. DTO has several hands-on exercises like this across different areas of cybersecurity. If you're learning SOC/Blue Team, don't just watch videos. Get your hands on some logs and start hunting. defendtheorg.com/r/MASKOFF02…
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XXIII retweeted
I was less busy today, so I decided to visit DTO and honestly, I was impressed. I realised how much the platform has grown over the past few months. Looking at it now, I genuinely wish something like this existed when I started learning cybersecurity. For beginners, having a structured place to learn, practise, follow challenges, and actually build hands-on experience can make the journey a lot less confusing. If you’re currently learning cybersecurity and tired of jumping from one random resource to another, explore DTO yourself and see what I mean. defendtheorg.com/r/MASKOFF02…
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Replying to @Maskoff023
I speak to a lot of candidates and I wish they understood 'entry level' is a temporary status. Absorb the training and pay increases once you've increased your value.
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🟦 ITS TIME TO UNDERSTAND BOTH SIDES 🟥 Purple Teaming is an exercise that brings the Red Team and the Blue Team together with a shared goal: Improve the Security Posture of the Org. The 10th skill is live NOW - Give it a shot, at DefendTheOrg 🛡️
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What does purple teaming actually look like when you move beyond the theory? That's exactly what I wanted to bring to DefendTheOrg. The new Purple Teaming experience puts you in the middle of an attack simulation where you have to analyze telemetry, identify detection gaps, engineer improvements, map coverage to MITRE ATT&CK, and validate your work by rerunning the attack. Because the goal isn't just to write more detections. It's to understand where your defenses fall short and systematically make them better. Purple Teaming is live on DefendTheOrg. Go put your skills to the test.
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Added a chatbot to your app? You added an attack surface. One prompt injection and it works for the attacker, not you. Anthropic and OpenAI secure the model. Not your app. What you connect it to, what data it sees, what it's allowed to run, that's on you. The model is fine. Your code is the problem. #AppSec #AI
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XXIII retweeted
The cybersecurity job market is competitive. Make your portfolio, practical experience and ability to communicate your strongest selling points.
You can watch 20 videos about threat hunting and still struggle when someone gives you actual logs to investigate. That's the difference between understanding a concept and being able to apply it. Practise reading logs. Look for patterns. Investigate suspicious activity. Learn to explain your findings. If you need somewhere to practise, check out DefendTheOrg. defendtheorg.com/r/MASKOFF02…
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XXIII retweeted
Entry-level doesn't mean zero expectations. Employers still need evidence that you understand the fundamentals.
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XXIII retweeted
You can watch 20 videos about threat hunting and still struggle when someone gives you actual logs to investigate. That's the difference between understanding a concept and being able to apply it. Practise reading logs. Look for patterns. Investigate suspicious activity. Learn to explain your findings. If you need somewhere to practise, check out DefendTheOrg. defendtheorg.com/r/MASKOFF02…
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Two OSPF routers are connected, but they are not forming a neighbour relationship. Which setting should you check first? A. Hello and Dead timers B. Switch port security C. VLAN database D. NAT configuration
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Replying to @knupooor
You're not starting from zero. Your experience in IT compliance, asset management, procurement and operations already connects to cybersecurity, particularly GRC and IT risk management. Start with security fundamentals, networking and basic hands-on practice. Explore GRC as a possible entry point, then build from there. Don't throw away the experience you already have.
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XXIII retweeted
Not every cybersecurity job requires you to be an expert. Some require you to have strong fundamentals and a willingness to learn.
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