Mastering Cybersecurity – Details, episodes & analysis

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Mastering Cybersecurity

Dr Jason Edwards

Technology

Education

Frequency: 1 episode/4d. Total Eps: 124

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!

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Data updated on 23/09/2026

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RSS feed quality

Good

Score global : 83%

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What Is an Immutable Backup?

Season 2 · Episode 50

Tuesday, July 28, 2026 • Duration 14:47

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 ransomware recovery, insider threats, retention controls, and protection against compromised backup administrators. Attackers frequently attempt to erase or encrypt recovery data before disrupting production systems, so an immutable copy can preserve a trusted restoration point. Organizations should separate backup credentials, restrict management access, maintain offline or logically isolated copies, monitor deletion attempts, and define retention periods that meet operational and regulatory needs. Immutability does not guarantee successful recovery, so backups must still be verified, scanned when appropriate, and tested through regular restoration exercises that confirm systems and data can be recovered. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is Chain of Custody?

Season 2 · Episode 49

Tuesday, July 28, 2026 • Duration 14:15

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, when possession changed, where it was stored, and what actions were performed. This documentation helps demonstrate that evidence presented during legal, disciplinary, or administrative proceedings is the same evidence originally collected and was not improperly altered. Investigators should assign unique identifiers, record dates and times, use tamper-evident packaging when appropriate, restrict access, calculate hashes for digital evidence, and document every transfer. Missing signatures, unexplained gaps, or improper storage can weaken confidence in the evidence even when the technical findings appear accurate. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is Alert Fatigue?

Season 2 · Episode 48

Tuesday, July 28, 2026 • Duration 16:41

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 operations team ignoring alerts after repeated false positives and ask candidates to identify the operational problem. Common causes include overly broad detection rules, duplicate notifications, missing context, weak severity assignments, and alerts that provide no clear action. Organizations should tune rules, suppress known duplicates, enrich alerts with asset and identity information, automate routine analysis, and define escalation procedures based on risk. Metrics should examine alert volume, response time, closure reasons, and confirmed incidents. Reducing noise must be balanced carefully so that tuning does not create false negatives or hide meaningful changes in attacker behavior. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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False Positives and False Negatives

Season 2 · Episode 47

Tuesday, July 28, 2026 • Duration 16:23

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 outcomes or explain the tradeoff created when detection thresholds are adjusted. A rule that alerts on every administrative script may create excessive false positives, while a rule that requires several severe conditions may overlook a real attack. Defenders should tune controls using validated data, asset criticality, threat context, and acceptable risk rather than attempting to eliminate one error type completely. Testing, analyst feedback, rule reviews, and comparison with confirmed incidents help improve accuracy. False negatives may leave threats undetected, while excessive false positives can consume resources and contribute to alert fatigue. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is an Indicator of Compromise?

Season 2 · Episode 46

Tuesday, July 28, 2026 • Duration 15:04

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 configuration, unusual process, or unauthorized network connection and ask candidates to classify it as an indicator requiring investigation. An indicator is not automatic proof of an incident because legitimate activity may produce similar evidence, and attackers may change their tools or infrastructure. Analysts should combine multiple indicators with context, timelines, asset information, user behavior, and threat intelligence before reaching a conclusion. Effective handling includes validating the evidence, searching for related activity, preserving relevant logs, containing confirmed threats, and updating detection rules without creating unnecessary false positives. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is Code Signing?

Season 2 · Episode 45

Tuesday, July 28, 2026 • Duration 16:18

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 authenticity, integrity, certificates, hashing, and public-key cryptography. The publisher calculates a hash of the software and signs that value with a private key, while the recipient uses the corresponding public key to verify the signature. A valid signature does not prove that software is safe, because a trusted developer may sign vulnerable code or an attacker may steal a signing key. Organizations should protect private keys, restrict signing access, use trusted build systems, timestamp signatures, monitor certificate use, and revoke compromised certificates promptly. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is Dependency Confusion?

Season 2 · Episode 44

Tuesday, July 28, 2026 • Duration 15:06

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 names in private and public repositories and ask candidates to identify the software supply-chain risk. An attacker may publish a package with the expected internal name and a version number that causes automated tools to select it during installation or compilation. Defenses include private package namespaces, repository-priority controls, package allowlists, dependency locking, integrity verification, and continuous monitoring of build activity. Development teams should also document approved sources and prevent build systems from contacting untrusted repositories. If suspicious code appears, investigators should preserve build logs, identify affected versions, remove the package, rotate exposed secrets, and rebuild trusted artifacts. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is a Hardcoded Secret?

Season 2 · Episode 43

Tuesday, July 28, 2026 • Duration 14:13

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 present exposed credentials in a repository and ask which development practice created the risk. Secrets embedded in code may be copied into backups, logs, container images, compiled applications, documentation, and public repositories, making complete removal difficult. Developers should use approved secret-management systems, environment-based injection, access controls, short-lived credentials, and automated repository scanning. When exposure occurs, removing the visible value is not enough; the organization should revoke or rotate the secret, review its use, examine access logs, and determine whether unauthorized activity occurred. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is Path Traversal?

Season 2 · Episode 42

Tuesday, July 28, 2026 • Duration 14:27

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 and ask candidates to identify the vulnerability or the most effective control. A vulnerable download function might allow a user to request configuration files, credentials, application source code, or operating-system data instead of an approved document. Developers should avoid building file paths directly from user input, use fixed identifiers, normalize paths, restrict file permissions, and verify that the resolved location remains inside the approved directory. During investigation, analysts should review request logs, unusual filenames, error responses, and access to sensitive files to determine whether exploitation succeeded. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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What Is Cross-Site Request Forgery?

Season 2 · Episode 41

Tuesday, July 28, 2026 • Duration 14:39

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 another service and ask candidates to identify why the second application accepts the request. Because the browser automatically includes session cookies, the application may believe the request was intentionally submitted by the user. An attacker could attempt to change an email address, transfer funds, modify settings, or perform another authorized action. Defenses include anti-forgery tokens, same-site cookie settings, origin validation, reauthentication for sensitive actions, and avoiding state-changing operations through simple web requests. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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Mastering Cybersecurity – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

RSS feed quality and score

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Related Shows Based on Content Similarities

Apple Podcasts

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Mastering Cybersecurity – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

Other1

RSS feed quality and score

Publication history

Latest published episodes

Similar podcasts and content

Related Shows Based on Content Similarities

Apple Podcasts

Spotify

Related Shows Based on Content Similarities

Other1