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This skill provides a structured methodology and tools for investigating sophisticated supply chain attacks. It focuses on detecting trojanized software updates, compromised build pipelines, and hidden dependencies by performing deep binary comparison, code signing verification, and anomaly detection. Use it during incident response to map out intrusion vectors and assess the full scope of a security breach.

This skill provides a comprehensive guide to implementing application whitelisting using Windows AppLocker. It drastically restricts unauthorized software execution (malware, shadow IT) on Windows endpoints by enforcing strict application control policies. Use this method to meet critical compliance requirements (such as PCI DSS or NIST standards), block common attack vectors like LOLBins, and significantly reduce the overall attack surface in high-security environments.

This skill provides a comprehensive guide to hardening BGP using the Resource Public Key Infrastructure (RPKI). It covers the full lifecycle, including creating Route Origin Authorizations (ROAs) at Regional Internet Registries (RIRs), deploying RPKI validator software (e.g., Routinator), and configuring Route Origin Validation (ROV) on enterprise routers like Cisco IOS-XE and Juniper Junos. Use this when establishing critical network security controls to prevent route hijacking and leaks.

Leverage the in-toto framework to enforce software supply chain integrity for container builds. This method generates cryptographically signed attestations (link metadata) at every stage—from code checkout to scanning—verifying that the deployed container image followed a predefined and approved build process. It is essential for implementing robust security controls, especially when requiring verifiable provenance before deployment in Kubernetes environments.

A comprehensive guide to securing Software as a Service (SaaS) applications (e.g., Microsoft 365, Salesforce) using Zero Trust principles. This skill covers deploying CASB/SSPM solutions, enforcing conditional access policies (MFA, device compliance), governing OAuth permissions, and applying session-level DLP controls to prevent data exfiltration in multi-cloud environments. Ideal for security architects and engineers.

This skill simulates and detects critical software supply chain attacks, including typosquatting via Levenshtein distance, dependency confusion detection against private registries, and package integrity verification using SHA-256 hashing. It also performs comprehensive vulnerability scanning against known CVEs using pip-audit. It is essential for security assessments, compliance audits, and incident response when validating software component trustworthiness.

This skill guides the implementation of comprehensive security controls for container registries. It details workflows for vulnerability scanning using Trivy and Grype, generating Software Bill of Materials (SBOMs) with Syft, and enforcing image authenticity using Cosign and Sigstore. It is essential for building robust CI/CD pipelines and preventing supply chain attacks by ensuring only scanned, signed, and compliant images are deployed.