Threat Modeling & Risk Assessment

Systematic approach to identifying, analyzing, and mitigating security threats. Learn to build secure systems by understanding potential attack vectors and vulnerabilities.

Risk Assessment
Threat Analysis
Security Design
Mitigation Strategies

Threat Modeling Methodologies

Structured approaches to identifying and analyzing security threats.

STRIDE Methodology

Spoofing

Identity spoofing, authentication bypass

Tampering

Data modification, integrity violations

Repudiation

Denial of actions, audit trail bypass

Information Disclosure

Data exposure, information leakage

Denial of Service

Service disruption, resource exhaustion

Elevation of Privilege

Unauthorized access, privilege escalation

PASTA Methodology

Define Objectives

Business goals, security requirements

Define Technical Scope

System boundaries, components, interfaces

Application Decomposition

Architecture analysis, data flows

Threat Analysis

Threat identification, attack scenarios

Vulnerability Analysis

Weakness identification, risk assessment

Attack Modeling

Attack trees, attack paths

Risk & Impact Analysis

Risk quantification, business impact

Risk Assessment & Analysis

Systematic evaluation of security risks and their potential impact.

Risk Assessment Framework

Asset Identification

Critical assets, data classification, value assessment

Threat Identification

Threat actors, attack vectors, motivation

Vulnerability Assessment

Weakness identification, exploitability analysis

Risk Calculation

Likelihood × Impact, risk scoring

Risk Mitigation Strategies

Risk Avoidance

Eliminate risk by avoiding activities

Risk Transfer

Insurance, outsourcing, third-party management

Risk Reduction

Security controls, mitigation measures

Risk Acceptance

Accept residual risk, monitor and review

Security Design Principles

Fundamental principles for building secure systems and applications.

Core Security Principles

Defense in Depth

Multiple layers of security controls

Least Privilege

Minimum necessary access and permissions

Fail Securely

System fails to secure state

Separation of Concerns

Isolate security functions and responsibilities

Design Patterns

Zero Trust Architecture

Never trust, always verify

Secure by Design

Security built into architecture

Privacy by Design

Privacy considerations from start

Security Architecture

Layered security, secure communication

Tools & Frameworks

Essential tools and frameworks for threat modeling and risk assessment.

Threat Modeling Tools

  • • Microsoft Threat Modeling Tool
  • • OWASP Threat Dragon
  • • IriusRisk
  • • ThreatModeler
  • • securiCAD

Risk Assessment Tools

  • • FAIR (Factor Analysis)
  • • OCTAVE
  • • NIST RMF
  • • ISO 27005
  • • COBIT

Analysis Frameworks

  • • Attack Trees
  • • Attack Graphs
  • • Data Flow Diagrams
  • • Use Case Analysis
  • • Abuse Case Modeling