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Course Instructor: Ashish Revar

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Cloud Threats and Attack Vectors
LearnCloudUnit 26

Topic 2.6 of Cloud Threats and Attack Vectors

Insider Threats & Misconfigured Cloud Storage

The anatomy of S3 bucket misconfiguration, multi-layer access control, real breach case studies, and technical controls for insider threat detection and prevention.

~30 min total·4 quadrants of structured content

By the end of this topic, you will

  • Describe the five S3 access control layers and their interaction
  • Enable account-level Block Public Access and explain what it prevents
  • Classify insider threats as malicious, negligent, or compromised
  • Configure AWS Macie to detect PII in S3 and alert on anomalous access
Q1 · E-TUTORIAL (1)Q2 · E-CONTENT (1)Q3 · WEB RESOURCES (8)Q4 · SELF-ASSESSMENT (2)

Quadrant 1 · e-Tutorial

Video lectures and walkthroughs

Quadrant 2 · e-Content

Articles and case studies

cloud-security

Insider Threats & Misconfigured Cloud Storage: The Two Silent Risks

Misconfigured S3 buckets and overprivileged insiders account for the majority of cloud data breaches. This article examines both vectors — the technical anatomy of storage misconfiguration and the behavioural and technical controls for insider threat detection.

18 min read

Quadrant 3 · Web Resources

Downloadable material and curated external links

Downloadable reference material

EBook

Cloud Security — eBook

v2026

Open resource

Cheatsheet

Cloud Security — Cheatsheet

v2026

Open resource

MCQ Bank

Cloud Security — MCQ Bank

v2026

Open resource

Question Bank

Cloud Security — Question Bank

v2026

Open resource

External links

AWS S3 Block Public Access Documentation

AWS documentation on the four Block Public Access settings and their interactions.

AWS Macie User Guide

Amazon Macie documentation for PII discovery and sensitive data classification in S3.

CISA Insider Threat Mitigation Guide

CISA guidance on technical and behavioural controls for insider threat programmes.

Verizon DBIR 2024: Insider Threat Statistics

Verizon Data Breach Investigations Report — industry data on insider threat frequency and impact.

Quadrant 4 · Self-Assessment

Test your knowledge — earn a certificate on first pass

Cloud Threats, Attacks and Privacy

CSA Top 10, SSRF/IMDS, IMDSv2, EDoS, man-in-the-cloud, STRIDE, MITRE ATT&CK for Cloud, and data residency.

20 questions30 minPass: 60%

Cloud Security: Complete Assessment

Comprehensive 120-question assessment covering all six chapters of the Cloud Security eBook 2026.

120 questions120 minPass: 60%