When a file changes unexpectedly, something important may have happened—and hashing is one of the best tools we have to track it. In this episode, we explain how file hashing works, which algorithms are most commonly used (like SHA-256), and how analysts use hashes to verify file integrity, detect tampering, and cross-reference files with malware databases. You’ll also learn how to generate hashes manually, how to compare them with known-good or known-bad values, and how to spot when files have ...
Jul 15, 2025•17 min•Ep. 40
Phishing remains one of the most common and effective attack vectors—and analysts are often the last line of defense. In this episode, we walk through how to analyze suspicious emails, focusing on headers, sender behavior, and embedded links. You’ll learn how to interpret SPF, DKIM, and DMARC records to verify sender legitimacy, and how to detect spoofed domains or manipulated display names. We also explore common payloads delivered through phishing, including malicious macros, document exploits...
Jul 15, 2025•15 min•Ep. 39
Sometimes a single command is all it takes to compromise a system—but recognizing the danger isn’t always easy. This episode focuses on how to interpret suspicious command-line activity and identify intent from syntax. We walk through common command abuses, such as privilege escalation via net user, credential harvesting with mimikatz, lateral movement through wmic or psexec, and various PowerShell and bash obfuscation techniques. We’ll also look at the difference between benign admin activity a...
Jul 15, 2025•16 min•Ep. 38
Threat actors often reuse specific commands, tactics, and patterns of behavior—and analysts learn to recognize those patterns quickly. In this episode, we take a closer look at how command recognition works, especially in the context of attacker scripts, PowerShell payloads, and Linux shell commands. You’ll discover how seemingly normal commands can be misused to exfiltrate data, escalate privileges, or establish persistence. We also examine how SOCs use signature-based detection, custom rule cr...
Jul 15, 2025•16 min•Ep. 37
Detecting threats isn’t just about having the right tools—it’s about applying the right techniques. In this episode, we cover the core detection methods used in security operations centers (SOCs), focusing on how analysts use pattern recognition, log correlation, statistical baselining, and anomaly detection to identify potentially malicious activity. You'll learn how these techniques are implemented across different platforms and how they support the entire incident response lifecycle. We also ...
Jul 15, 2025•16 min•Ep. 36
When static analysis doesn’t provide clear answers, analysts turn to sandboxing—isolated environments where suspicious files can be safely executed and observed. In this episode, we explore how dynamic malware analysis platforms like Joe Sandbox and Cuckoo Sandbox capture behavior, identify command-and-control activity, and log system-level changes in memory, registry, and file structure. We break down what you can learn from a sandbox report: indicators of compromise (IoCs), dropped files, netw...
Jul 15, 2025•16 min•Ep. 35
Some threats are obvious in logs—others hide in files. In this episode, we introduce static file analysis tools and techniques that allow analysts to inspect suspicious files without executing them. You'll learn how tools like strings can extract readable content from binaries and why examining metadata, embedded code, or odd character patterns can help detect malicious payloads. We also cover how VirusTotal enables rapid multi-engine scanning of files, URLs, and hashes—providing verdicts from d...
Jul 15, 2025•18 min•Ep. 34
DNS and IP addresses may seem simple at first glance, but they’re powerful resources for cyber defense—if you know how to use them. In this episode, we explore how analysts use DNS and IP intelligence to detect threats, validate indicators of compromise, and make informed decisions during an investigation. You’ll learn how WHOIS records, reverse lookups, and passive DNS data can help trace adversary infrastructure and identify suspicious domains. We also dive into threat reputation services like...
Jul 15, 2025•17 min•Ep. 33
When malware strikes or an insider behaves maliciously, the endpoint is where the evidence lives. In this episode, we dig into Endpoint Detection and Response (EDR) platforms—what they are, how they differ from traditional antivirus, and what kinds of data they provide to security analysts. You'll learn how EDR tools monitor process activity, registry changes, file access, memory usage, and more, all in real time or near-real time. We also walk through typical EDR workflows: alert generation, tr...
Jul 15, 2025•17 min•Ep. 32
Security Information and Event Management (SIEM) systems are the heart of modern detection and alerting. In this episode, we explore how SIEMs collect, correlate, and normalize data from across your environment—giving analysts a real-time window into activity from endpoints, servers, firewalls, cloud services, and more. You’ll learn how log correlation enables pattern detection, anomaly identification, and timeline reconstruction during an investigation. We also introduce the concept of Security...
Jul 15, 2025•16 min•Ep. 31
Being a strong analyst means being comfortable working with packets, flows, and raw network data. In this episode, we explore the tools analysts use for network capture and traffic inspection, including Wireshark and tcpdump. You’ll learn what kinds of data these tools collect, how they’re used during investigations, and what to look for when examining traffic patterns. We also explain how packet analysis supports threat hunting, incident response, and malware detection, especially in environmen...
Jul 15, 2025•18 min•Ep. 30
Not all threats come from code—many come from people. This episode explores how attackers use social engineering tactics to bypass technical defenses, trick users, and gain footholds in environments. From phishing and pretexting to spoofed links and impersonation, we walk through the indicators that security analysts must watch for. You’ll also learn about techniques attackers use to obscure their intent, such as obfuscated URLs, encoded payloads, and misleading domain structures. We cover how t...
Jul 15, 2025•17 min•Ep. 29
Applications are often targeted directly by attackers—or exploited indirectly through user interaction. In this episode, we focus on indicators of compromise at the application layer, such as anomalous behavior, unexpected output, new account creation, service interruptions, and unusual outbound communication. We also explain how application logs reveal usage patterns, failures, and potential abuse. Whether you’re defending web applications, SaaS platforms, or legacy software, this episode equip...
Jul 15, 2025•16 min•Ep. 28
While the network tells you what’s coming and going, the host shows you what’s actually happening. In this episode, we explore host-level indicators of compromise—from CPU spikes and unauthorized software to abnormal OS behavior and registry anomalies. You’ll learn how to recognize signs of privilege escalation, unauthorized changes, scheduled task manipulation, and malicious processes. We also break down how analysts correlate these indicators with alerts, event logs, and EDR telemetry to ident...
Jul 15, 2025•17 min•Ep. 27
Your network is constantly broadcasting signals—some of them benign, some of them suspicious. In this episode, we examine network-level indicators that can reveal malicious activity in progress. From bandwidth spikes and rogue devices to unexpected port activity and beaconing behaviors, you’ll learn what red flags to look for and how to distinguish noise from signal. We also discuss how attackers use scanning, peer-to-peer communication, and protocol misuse to probe and move through networks. Th...
Jul 15, 2025•17 min•Ep. 26
Protecting sensitive data is one of the most urgent and regulated responsibilities in cybersecurity. This episode focuses on the tools and practices analysts use to detect, classify, and protect sensitive information like personally identifiable information (PII), cardholder data (CHD), and proprietary business data. We discuss how data loss prevention (DLP) tools are configured, how sensitive data is discovered and tagged, and what steps must be taken to ensure compliance with data privacy laws...
Jul 15, 2025•17 min•Ep. 25
Encryption plays a dual role in cybersecurity—protecting data confidentiality and creating blind spots in visibility. In this episode, we examine how public key infrastructure (PKI) underpins secure communication, how certificates are issued and validated, and where SSL/TLS encryption fits into the data protection stack. We also explore how SSL inspection works in enterprise environments and what trade-offs it introduces in terms of privacy, performance, and visibility. By the end of this episod...
Jul 15, 2025•17 min•Ep. 24
Authentication and authorization form the frontline of defense in every digital environment. In this episode, we explore key identity and access management (IAM) concepts including multifactor authentication (MFA), single sign-on (SSO), and federated identity systems. We’ll explain how these models reduce friction for users while improving control for security teams. You’ll also learn about advanced IAM strategies like privileged access management (PAM), passwordless authentication, and cloud ac...
Jul 15, 2025•18 min•Ep. 23
Networks are the circulatory system of any digital environment, and securing them is a fundamental responsibility of the cyber analyst. This episode walks through various network architecture models—on-premises, cloud, and hybrid—and explores how segmentation, zero trust principles, and secure access edge technologies help reduce exposure and limit lateral movement. We also discuss how software-defined networking (SDN) plays into modern security architecture and what analysts need to understand ...
Jul 15, 2025•17 min•Ep. 22
Today’s IT environments are complex ecosystems that include virtual machines, containers, and serverless platforms. In this episode, we demystify these infrastructure models from a security analyst’s perspective. You’ll learn how virtualization enables rapid provisioning (and creates unique attack surfaces), how containers isolate workloads, and how serverless computing changes the way we detect and respond to threats. We’ll also examine how traditional security controls must be adapted to these...
Jul 15, 2025•17 min•Ep. 21
In this episode, we go deeper into the building blocks of computing environments that matter for cyber defense. We cover where critical configuration files are typically stored, how analysts monitor and investigate system processes, and what aspects of hardware architecture matter when tracking threats or hardening systems. You’ll also hear how attackers exploit weaknesses at the process level or leverage misconfigurations in low-level system components. Understanding how the operating system in...
Jul 15, 2025•17 min•Ep. 20
Understanding the underlying behavior of operating systems is critical for detecting and investigating malicious activity. In this episode, we explore the core OS concepts that every cybersecurity analyst must master. You'll learn about the Windows Registry, how system hardening reduces attack surfaces, and what file system structures can reveal during an investigation. We also discuss how malware hides within OS-level components, why registry anomalies can indicate compromise, and how file syst...
Jul 15, 2025•17 min•Ep. 19
Effective cybersecurity starts with visibility—and that begins with logs. In this episode, we explore the basics of log ingestion, including what data is collected, how it's normalized, and where it's stored. You’ll learn about the importance of time synchronization across log sources, why logging levels (debug, info, error) matter, and how poor logging practices can create blind spots in your security posture. We’ll also look at how log data feeds into SIEMs and threat detection platforms, and ...
Jul 15, 2025•16 min•Ep. 18
Welcome to Domain 1, the largest and most foundational section of the CySA+ exam. In this episode, we preview what you’ll learn across the next several modules and explain how Security Operations serves as the nerve center of a modern cyber defense strategy. From architecture to access control to threat detection, this domain sets the tone for your analyst mindset. We’ll introduce the major themes of Domain 1, including logging, behavioral analysis, detection tooling, and operational efficiency....
Jul 15, 2025•16 min•Ep. 17
In the final glossary-focused episode, we turn our attention to the specialized language used in incident response, threat detection, and analyst operations. This includes key terms like IoC, MFA, PID, RCE, RTO, PKI, and more—acronyms and phrases that show up frequently in forensic documentation, incident timelines, and CySA+ test questions. We not only define each term, but place it in context so you understand how it relates to processes like detection, containment, recovery, and escalation. T...
Jul 15, 2025•12 min•Ep. 16
In this second glossary episode, we focus on the security tools, frameworks, and compliance standards you’ll need to recognize and understand throughout your CySA+ journey. From OpenVAS and Nessus to NIST, ISO, and PCI DSS, this episode gives you concise definitions and context that go beyond memorization. We explain what these terms mean, how they’re used in the field, and why they matter to security analysts. You'll also get clarity on how tools like Metasploit, OSSTMM, and the OWASP Top Ten f...
Jul 15, 2025•10 min•Ep. 15
Before we tackle deeper technical episodes, it's essential to get fluent with the vocabulary used in the exam and in real-world security operations. This first glossary episode focuses on foundational network and infrastructure terms. We’ll cover protocols, addressing concepts, and key architectural elements such as ICMP, IP, LAN, MAC, RDP, REST, and others that often appear in log data and configuration analysis. This episode is especially helpful if you're coming from a non-networking backgrou...
Jul 15, 2025•13 min•Ep. 14
This second review episode brings together the essential content from Domain 3 (Incident Response and Management) and Domain 4 (Reporting and Communication). We’ll reinforce your understanding of frameworks like the MITRE ATT&CK matrix and cyber kill chains, review containment and eradication strategies, and revisit reporting requirements such as executive summaries and regulatory disclosures. This is also your chance to solidify your grasp of post-incident actions like root cause analysis, ...
Jul 15, 2025•16 min•Ep. 13
In this fast-paced review episode, we recap the most critical concepts from Domain 1 (Security Operations) and Domain 2 (Vulnerability Management). This is your checkpoint to ensure you understand everything from network architecture and log ingestion to vulnerability scanning, CVSS scoring, and control frameworks. If you're preparing for the exam, this episode is a perfect way to consolidate what you've learned so far. We’ll highlight the most testable topics, clarify distinctions between simil...
Jul 15, 2025•13 min•Ep. 12
Technical knowledge alone isn’t enough. As a cybersecurity analyst, your ability to explain threats, risks, and remediation strategies to non-technical audiences can make or break your effectiveness. In this episode, we explore how to communicate clearly and professionally with managers, executives, clients, and legal teams—people who need actionable information but don’t speak your technical language. We’ll walk through tips for translating cyber terminology into business language, framing inci...
Jul 15, 2025•12 min•Ep. 11
