Mastering Cybersecurity
by Dr Jason Edwards
Latest episode
What Is an Immutable Backup?
What Is an Immutable Backup?
About this podcast
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!
Episodes
The newest 20 of 124 episodes
- What Is an Immutable Backup? · 15 min · Season 2 Episode 50An 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…
- What Is Chain of Custody? · 14 min · Season 2 Episode 49Chain of custody is the documented record of how evidence was collected, identified, transferred, stored, examined, and protected from the moment it was acquired. Certification…
- What Is Alert Fatigue? · 17 min · Season 2 Episode 48Alert fatigue develops when analysts or users receive so many repetitive, low-quality, or poorly prioritized notifications that important warnings become difficult to recognize…
- False Positives and False Negatives · 16 min · Season 2 Episode 47A 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…
- What Is an Indicator of Compromise? · 15 min · Season 2 Episode 46An 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…
- What Is Code Signing? · 16 min · Season 2 Episode 45Code signing uses a digital signature to help recipients verify the identity associated with a software publisher and determine whether the signed code changed afterward…
- What Is Dependency Confusion? · 15 min · Season 2 Episode 44Dependency confusion occurs when a software build or package-management system retrieves an attacker-controlled public package instead of the organization’s intended internal…
- What Is a Hardcoded Secret? · 14 min · Season 2 Episode 43A hardcoded secret is a password, token, application programming interface key, encryption key, or other sensitive value placed directly inside source code, scripts…
- What Is Path Traversal? · 14 min · Season 2 Episode 42Path traversal occurs when an attacker manipulates a filename or directory path to access information outside the location an application intended to expose. Certification exams…
- What Is Cross-Site Request Forgery? · 15 min · Season 2 Episode 41Cross-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…
- What Is Broken Access Control? · 16 min · Season 2 Episode 40Broken access control occurs when an application fails to enforce what an authenticated or unauthenticated user is permitted to view, change, create, or delete. Certification…
- What Is Cross-Site Scripting? · 15 min · Season 2 Episode 39Cross-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…
- What Is SQL Injection? · 15 min · Season 2 Episode 38SQL injection occurs when untrusted input changes the structure or meaning of a database command created by an application. Certification exams may describe login forms, search…
- What Is Input Validation? · 16 min · Season 2 Episode 37Input validation checks whether data supplied to an application matches the expected format, type, length, range, and permitted values before the application processes it…
- What Is Egress Filtering? · 15 min · Season 2 Episode 36Egress filtering controls traffic that leaves a network, system, application, or security boundary. Certification exams may describe unauthorized outbound connections…
- What Does It Mean to Quarantine Something? · 14 min · Season 2 Episode 35Quarantine is the process of isolating a suspicious file, message, device, account, or other resource so that it cannot continue interacting normally with users or systems…
- What Is Sandboxing? · 16 min · Season 2 Episode 34Sandboxing is a security technique that runs a file, program, process, or website inside an isolated environment with restricted access to the host system and other resources…
- What Is Tailgating? · 14 min · Season 2 Episode 33Tailgating occurs when an unauthorized person gains physical access to a restricted area by following an authorized individual through a secured entrance. Certification exams may…
- What Is QR-Code Phishing? · 14 min · Season 2 Episode 32QR-code phishing uses a scannable image to conceal a malicious web address or other attacker-controlled destination. Certification exams may describe a QR code placed in an…
- What Is Smishing? · 14 min · Season 2 Episode 31Smishing is a form of phishing that uses text messages or mobile messaging services to persuade a recipient to open a malicious link, disclose sensitive information, install…
