io.github.mukul975/Anthropic-Cybersecurity-Skills/implementing-api-schema-validation-security

Implements API schema validation using OpenAPI Specification and JSON Schema documents, enforced both at the API gateway (runtime) and during development (shift-left), to lock down request/response contracts and reject unknown properties. Use when preventing injection attacks (SQLi, XSS, XXE), blocking mass assignment, or stopping data leakage through unvalidated API responses.

io.github.mukul975/Anthropic-Cybersecurity-Skills/extracting-browser-history-artifacts

Extracts and analyzes browser history, cookies, cache, downloads, and bookmarks from Chrome, Firefox, and Edge using sqlite3, DB Browser for SQLite, Hindsight, and NirSoft tools (BrowsingHistoryView, ChromeCacheView, MZCacheView). Use when performing digital forensics or incident response on a disk image or live system and you need timeline evidence of a user's web activity.

io.github.mukul975/Anthropic-Cybersecurity-Skills/performing-web-application-firewall-bypass

Bypasses Web Application Firewall protections using encoding tricks, HTTP method manipulation, parameter pollution, and payload obfuscation to smuggle SQL injection, XSS, and other exploit payloads past WAF detection rules. Use when a confirmed vulnerability is blocked by a WAF, during penetration tests or red team engagements requiring bypass of perimeter security controls, or when evaluating WAF rule effectiveness and bypass resistance.

io.github.mukul975/Anthropic-Cybersecurity-Skills/implementing-azure-defender-for-cloud

Enable Microsoft Defender for Cloud (CSPM + CWPP) across VMs, containers, SQL, storage, and Key Vault, using Azure Policy for evaluation, Log Analytics for telemetry, Azure Arc for hybrid coverage, and Logic Apps for automated response. Use for Azure security monitoring, adaptive remediation, or regulatory compliance assessment; not for non-Azure-only protection or identity defense (Defender for Identity).

io.github.mukul975/Anthropic-Cybersecurity-Skills/exploiting-api-injection-vulnerabilities

Tests API parameters, headers, and request bodies for injection flaws — SQL injection, NoSQL injection, OS command injection, LDAP injection, and SSRF — by crafting payloads tailored to the target backend to extract data, execute commands, or reach internal services, mapped to OWASP API8:2023 and API7:2023 SSRF. Use when performing SQLi, NoSQL injection, command injection, or SSRF testing against APIs, or assessing API input validation.

io.github.mukul975/Anthropic-Cybersecurity-Skills/building-patch-tuesday-response-process

Establish a repeatable operational process for triaging, testing, and deploying Microsoft Patch Tuesday security updates (Windows, Office, Exchange, SQL Server, Azure) via WSUS/SCCM within risk-based remediation SLAs, from advisory review through validation. Use when building or improving a monthly patch management workflow or prioritizing which CVEs to remediate first.

io.github.mukul975/Anthropic-Cybersecurity-Skills/implementing-pam-for-database-access

Deploy privileged access management for database systems including Oracle, SQL Server, PostgreSQL, and MySQL, covering session proxy configuration, credential vaulting, query auditing, dynamic credential generation, and least-privilege database roles. Use when securing DBA access, implementing database PAM controls, or auditing privileged database sessions.

io.github.mukul975/Anthropic-Cybersecurity-Skills/performing-cloud-forensics-with-aws-cloudtrail

Investigate AWS account compromise by querying CloudTrail with boto3's LookupEvents or AWS Athena SQL over S3-delivered logs, filtering on suspicious user agents, source IPs, and event names to reconstruct an attacker timeline. Use when tracing unauthorized API calls, S3 data exfiltration, IAM privilege escalation, or credential exposure, and building a forensic report of findings and remediation steps.

io.github.mukul975/Anthropic-Cybersecurity-Skills/reverse-engineering-android-malware-with-jadx

Reverse engineers malicious Android APK files using the JADX decompiler to read Java/Kotlin source, inspect manifest permissions, receivers, services, and native libraries, and identify data theft, C2 communication, privilege escalation, or overlay-attack behavior. Use when analyzing a suspected Android banking trojan, spyware, SMS stealer, or other flagged APK, or when investigating mobile malware or Android threats generally.

io.github.mukul975/Anthropic-Cybersecurity-Skills/performing-sqlite-database-forensics

Performs forensic analysis of SQLite databases by examining B-tree page structures, recovering deleted records from freelist pages and Write-Ahead Log (WAL) files, decoding encoded timestamps, and extracting evidence from browser history, messaging apps, and mobile device databases. Use when recovering deleted or unallocated data from a SQLite database during digital forensics or mobile/browser evidence analysis.

io.github.mukul975/Anthropic-Cybersecurity-Skills/exploiting-excessive-data-exposure-in-api

Tests APIs for excessive data exposure (OWASP API3:2023) by intercepting raw API responses and comparing them against what the UI actually renders, looking for leaked PII, internal identifiers, debug data, or business-sensitive fields the frontend filters but the API still transmits. Use when auditing REST or mobile-app APIs for over-fetching, response filtering bypass, or unintended data leakage in endpoint responses.

io.github.mukul975/Anthropic-Cybersecurity-Skills/configuring-oauth2-authorization-flow

Configures secure OAuth 2.0 authorization flows, including Authorization Code with PKCE, Client Credentials, and Device Authorization Grant, covering flow selection, PKCE implementation, token lifecycle management, and scope design per OAuth 2.1. Use when implementing or hardening OAuth 2.0 authentication/authorization for web, mobile, SPA, or machine-to-machine clients.

io.github.mukul975/Anthropic-Cybersecurity-Skills/analyzing-android-malware-with-apktool

Perform static analysis of Android APK malware using apktool for resource decompilation, jadx for Java source recovery, and androguard for manifest inspection, dangerous permission-combination detection, and identification of obfuscated code, dynamic code loading, and reflection-based API calls. Use to statically triage a suspicious APK without executing it or to build mobile malware detection rules.

io.github.mukul975/Anthropic-Cybersecurity-Skills/detecting-qr-code-phishing-with-email-security

Detect and prevent QR code phishing (quishing) attacks that embed malicious URLs inside QR code images to bypass link-based email security, using image-based threat detection, OCR/QR decoding, and mobile-side scanning (Microsoft Defender for O365, Proofpoint TAP, Barracuda Multimodal AI). Use when configuring gateway rules against QR phishing or investigating suspicious emails containing QR codes.

io.github.mukul975/Anthropic-Cybersecurity-Skills/analyzing-threat-actor-ttps-with-mitre-attack

Systematically map threat actor behavior and observed IOCs to the MITRE ATT&CK framework, build technique coverage heatmaps with the ATT&CK Navigator, identify detection gaps, and produce actionable threat intelligence reports across the Enterprise, Mobile, and ICS matrices. Use when analyzing threat actor TTPs, correlating IOCs to specific ATT&CK techniques, or assessing defensive detection coverage against adversary behavior.

io.github.mukul975/Anthropic-Cybersecurity-Skills/performing-mobile-device-forensics-with-cellebrite

Acquire and analyze mobile device data using Cellebrite UFED Touch/4PC, UFED Physical Analyzer, and open-source alternatives (ALEAPP, iLEAPP, MEAT, libimobiledevice) to extract communications, call logs, location data, and application artifacts. Use when extracting or recovering deleted evidence from smartphones or tablets during criminal, corporate, or employee-misuse investigations.

io.github.mukul975/Anthropic-Cybersecurity-Skills/implementing-secrets-management-with-vault

Deploy HashiCorp Vault for centralized secrets management, covering dynamic secret generation for databases and cloud providers, transit encryption, PKI certificate management, and Kubernetes integration. Use when eliminating hardcoded credentials from application code or CI/CD pipelines, migrating to short-lived auto-rotated secrets, or giving Kubernetes workloads secure access to database or cloud provider credentials.

io.github.mukul975/Anthropic-Cybersecurity-Skills/implementing-infrastructure-as-code-security-scanning

Implements automated security scanning for Infrastructure as Code using Checkov, tfsec, and KICS to detect misconfigurations in Terraform, CloudFormation, Kubernetes manifests, and Helm charts, plus policy-based governance and CI/CD integration. Use when validating cloud infrastructure before deployment or blocking insecure changes (public S3 buckets, open security groups) in pull requests.

io.github.mukul975/Anthropic-Cybersecurity-Skills/emulating-cloud-attacks-with-stratus-red-team

Install and run Stratus Red Team to detonate granular, MITRE ATT&CK-mapped AWS, Azure, GCP, and Kubernetes attack techniques through their warmup-detonate-revert-cleanup lifecycle, then verify the telemetry they generate. Use to validate that cloud detections (CloudTrail, GuardDuty, Microsoft Sentinel, GCP SCC, Falco) actually fire, or to run a repeatable purple-team exercise generating realistic attacker telemetry.

io.github.mukul975/Anthropic-Cybersecurity-Skills/implementing-policy-as-code-with-open-policy-agent

Implements policy-as-code enforcement with Open Policy Agent (OPA) and Gatekeeper for Kubernetes and CI/CD pipelines, covering writing Rego policies, deploying OPA Gatekeeper as a Kubernetes admission controller, testing policies in development, and integrating policy evaluation into deployment pipelines. Use when writing Rego policies, deploying Gatekeeper admission control, or gating CI/CD pipelines with policy-as-code checks.

io.github.mukul975/Anthropic-Cybersecurity-Skills/securing-kubernetes-on-cloud

Hardens managed Kubernetes clusters on EKS, AKS, and GKE by implementing Pod Security Standards, network policies, workload identity (IRSA for EKS, Workload Identity for GKE, Managed Identities for AKS), RBAC scoping, image admission controls, and runtime security monitoring. Use when deploying a new managed Kubernetes cluster with security requirements or hardening an existing EKS, AKS, or GKE cluster after an audit or pentest finding.

io.github.mukul975/Anthropic-Cybersecurity-Skills/scanning-iac-and-images-with-trivy

Scans container images, Infrastructure-as-Code (Terraform, CloudFormation, Kubernetes manifests, Dockerfile, Helm), filesystems, git repos, and SBOMs with Trivy's vuln, misconfig, secret, and license scanners. Use when building a CI/CD security gate that scans images before push, IaC before apply, or SBOMs for supply-chain weaknesses, and fails the build on policy violations.

io.github.mukul975/Anthropic-Cybersecurity-Skills/securing-container-registry-images

Secures container registry images (ECR, ACR, GCR, Docker Hub) by scanning with Trivy and Grype, signing with Cosign and Sigstore, configuring registry access controls, and building CI/CD pipelines that block unscanned or unsigned images. Use when establishing registry security controls or enforcing scan/signature checks before image promotion.

io.github.mukul975/Anthropic-Cybersecurity-Skills/scanning-containers-with-trivy-in-cicd

Integrates Aqua Security's Trivy scanner into CI/CD pipelines to detect OS package and application dependency CVEs, Dockerfile misconfigurations, and issues in filesystems or git repositories, and to enforce severity-based quality gates that block vulnerable images from being deployed. Use when building Docker images in CI/CD and needing automated vulnerability scanning and pass/fail gates before registry push or production deployment.