Author name: DigitalSentinel

Enhance Your Cybersecurity Skills with Practical Linux Projects

Cyber Defense, Enterprise Security, From School Master, Master School Tips and Tricks, MasterSchool /

Introduction: Welcome to our latest blog post, dedicated to all aspiring cybersecurity enthusiasts! In the dynamic world of cyber security, practical skills are just as crucial as theoretical knowledge. This post is designed to guide you through a series of hands-on Linux projects that will not only elevate your understanding of cybersecurity systems but also […]

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Cyber Security Practice Test – All things PKI – Nov 2023

Enterprise Security, From School Master, Practice Tests /

Welcome to this practice test on Public Key Infrastructure (PKI), a critical component of modern security architectures that underpins the trust and integrity of digital communications. Before diving into the questions, let us reflect on the story of Alice and Bob, two individuals who needed to communicate securely over an insecure medium: the Internet. Alice

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The Three email security Amigos – SPF DKIM and DMARC

Enterprise Security, From School Master /

There are three critical protections when it comes to Email security. SPF, DKIM, and DMARC. Some people get tripped up on these three and what their role is. So here is an anecdotal tale of the three email security amigos. SPF (Sender Policy Framework): The Nightclub Bouncer Imagine you’re at a popular nightclub called “Email

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Security Practice Questions – CIA and AAA

Practice Tests /

As you delve into this section of the practice tests, prepare to be challenged on your comprehension of the fundamental tenets of information security. Often referred to as the six pillars, these principles—Confidentiality, Integrity, Availability, Authentication, Authorization, and Accounting—form the bedrock of secure information systems. Each question has been crafted to gauge your understanding of

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Harnessing AI in Cybersecurity – Annex Slides

CyberSecurity Leadership, Enterprise Security, From School Master, MasterSchool, Security Operations /

These additional slides were created as part of one of our classes to complement the class slides I’ll cover the story below a little bit in class. The Rise and Rapid Fall of Microsoft’s Tay In the early months of 2016, the digital corridors of Twitter were abuzz with conversations spanning every conceivable topic. Sensing

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SIEM Logic Unveiled: How SOC Analysts Detect and Respond to Security Incidents

From School Master, Security Operations /

Many imagine Security Operations Center (SOC) analysts as modern-day ‘Neo’ from ‘The Matrix,’ deciphering cascades of streaming data on glowing screens. However, the reality is quite different. SOC analysts dedicate their days to a meticulous task—sorting through alerts, triaging them, and launching investigations into potential security threats. These alerts arrive from a myriad of security

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Mastering Incident Response: A TLDR Guide to Playbooks and Runbooks with NIST Framework

From School Master, MasterSchool, Security Operations /

Welcome to another exciting blog post, students and aspiring cybersecurity professionals! Today, we have a topic that sits at the core of cybersecurity operations—Incident Response. It’s not just about detecting incidents but efficiently managing them to minimize damage and future risks. Whether you’re part of a small IT team or a large Security Operations Center

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Vulnerability Categories and Risk Factors

Enterprise Security, From School Master, Security Operations /

The topic of software and network vulnerabilities is incredibly vast. Vulnerabilities can range from minor issues that pose little to no risk to the business, to significant risks that can bring an organization to its knees. Understanding the categories of vulnerabilities can help you prioritize them effectively. Here’s an in-depth look at various categories and

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Cybersecurity Exercise: Understanding and Applying the MITRE ATT&CK Framework

Cyber Defense, Enterprise Security, From School Master, MasterSchool, Security Operations /

Objective: The aim of this exercise is to familiarize students with the MITRE ATT&CK framework by analyzing various cybersecurity scenarios. By dissecting real-world-like attack narratives, you’ll learn how to identify Tactics, Techniques, and Procedures (TTPs) commonly used by attackers, particularly Advanced Persistent Threats (APTs). Duration: This is a 30-minute exercise broken down into four scenarios,

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