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Technology

Mastering Cybersecurity

by Dr Jason Edwards
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Latest episodes

  • What Is an Immutable Backup?

    July 28, 2026 · 15 min

    An immutable backup is a protected copy of data that cannot be modified or deleted during a defined retention period, even by accounts that normally possess administrative privileges. Certification exams may connect immutability with…

  • What Is Chain of Custody?

    July 28, 2026 · 14 min

    Chain of custody is the documented record of how evidence was collected, identified, transferred, stored, examined, and protected from the moment it was acquired. Certification exams may ask why investigators record who handled an item…

  • What Is Alert Fatigue?

    July 28, 2026 · 17 min

    Alert fatigue develops when analysts or users receive so many repetitive, low-quality, or poorly prioritized notifications that important warnings become difficult to recognize and investigate. Certification exams may describe a security…

  • False Positives and False Negatives

    July 28, 2026 · 16 min

    A false positive occurs when a security control reports malicious activity that is not actually present, while a false negative occurs when genuine malicious activity is missed. Certification exams may ask candidates to identify these…

  • What Is an Indicator of Compromise?

    July 28, 2026 · 15 min

    An indicator of compromise is an observable clue suggesting that malicious activity may have occurred within a system or environment. Certification exams may present a suspicious file hash, unfamiliar domain, unexpected account, altered…

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  • What Is Code Signing?

    July 28, 2026 · 16 min

    Code signing uses a digital signature to help recipients verify the identity associated with a software publisher and determine whether the signed code changed afterward. Certification exams may ask candidates to connect code signing with…

  • What Is Dependency Confusion?

    July 28, 2026 · 15 min

    Dependency confusion occurs when a software build or package-management system retrieves an attacker-controlled public package instead of the organization’s intended internal dependency. Certification exams may describe identical package…

  • What Is a Hardcoded Secret?

    July 28, 2026 · 14 min

    A hardcoded secret is a password, token, application programming interface key, encryption key, or other sensitive value placed directly inside source code, scripts, configuration files, or application packages. Certification exams may…

  • What Is Path Traversal?

    July 28, 2026 · 14 min

    Path traversal occurs when an attacker manipulates a filename or directory path to access information outside the location an application intended to expose. Certification exams may describe input containing directory-navigation characters…

  • What Is Cross-Site Request Forgery?

    July 28, 2026 · 15 min

    Cross-site request forgery occurs when an attacker causes a logged-in user’s browser to submit an unwanted request to a trusted application. Certification exams may describe a victim visiting a malicious page while already authenticated to…

  • What Is Broken Access Control?

    July 28, 2026 · 16 min

    Broken access control occurs when an application fails to enforce what an authenticated or unauthenticated user is permitted to view, change, create, or delete. Certification exams may present a user who changes a record identifier, enters…

  • What Is Cross-Site Scripting?

    July 28, 2026 · 15 min

    Cross-site scripting, or XSS, occurs when an application allows malicious script content to execute in another user’s browser within the context of a trusted website. Certification exams may ask candidates to distinguish stored, reflected…

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About the show

Mastering Cybersecurity is your narrated audio guide to the essential building blocks of digital protection. Each 10–15 minute episode turns complex security concepts into clear, practical lessons you can apply right away—no jargon, no fluff. From passwords and phishing to encryption and network defense, every topic is designed to strengthen your understanding and confidence online. Whether you’re new to cybersecurity or refreshing your knowledge, this series makes learning simple, smart, and surprisingly engaging. And want more? Check out the book at BareMetalCyber.com!