Mastering Cybersecurity
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Latest episodes
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What Is an Immutable Backup?
July 28, 2026 · 15 minAn 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…
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What Is Chain of Custody?
July 28, 2026 · 14 minChain 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…
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What Is Alert Fatigue?
July 28, 2026 · 17 minAlert 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…
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False Positives and False Negatives
July 28, 2026 · 16 minA 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…
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What Is an Indicator of Compromise?
July 28, 2026 · 15 minAn 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 minCode 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…
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What Is Dependency Confusion?
July 28, 2026 · 15 minDependency 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…
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What Is a Hardcoded Secret?
July 28, 2026 · 14 minA 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…
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What Is Path Traversal?
July 28, 2026 · 14 minPath 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…
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What Is Cross-Site Request Forgery?
July 28, 2026 · 15 minCross-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…
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What Is Broken Access Control?
July 28, 2026 · 16 minBroken 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…
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What Is Cross-Site Scripting?
July 28, 2026 · 15 minCross-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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