[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M6ADZQE0S7H8X77TCMHS7PX0":3,"skill-same:01M6ADZQE0S7H8X77TCMHS7PX0":114},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":23,"publishedAt":37,"linkOnly":38,"markdownContent":39,"markdownBody":40,"frontMatter":41,"refName":55,"commitSha":56,"skillDirectory":57,"forksCount":58,"repositoryHtmlUrl":59,"repositoryHomepageUrl":60,"ownerHtmlUrl":61,"ownerBlogUrl":62,"ownerDescription":63,"updatedAt":64,"install":65,"resources":78},"01M6ADZQE0S7H8X77TCMHS7PX0","building-role-mining-for-rbac-optimization",null,"Apply bottom-up and top-down role mining techniques, including clustering algorithms and formal concept analysis, to discover optimal RBAC roles from existing user-permission assignments, consolidating overlapping roles and enforcing least privilege. Use when an identity program needs to reduce role explosion or redesign its RBAC role set from access data.","mukul975\u002FAnthropic-Cybersecurity-Skills","mukul975","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F42860185?v=4","01M6ADEQR8T5M4EEG6C67BQCWF","Mahipal","01M6ADJPMYWG1E5GM1FWBE3128",36146,"Apache-2.0","https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fbuilding-role-mining-for-rbac-optimization\u002FSKILL.md",[18],{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},"01JBSEEDCAT000000000000023","Skill与智能体开发","SCENARIO","使用场景",[24,25,26,27,28,29,30,31,32,33,34,35,36],"rbac","Optimization","building role mining for rbac optimization","cybersecurity","identity","governance","pr","data","access-control","least-privilege","identity-governance","role-mining","clustering","2026-11-10 10:12:30",false,"---\nname: building-role-mining-for-rbac-optimization\ndescription: Apply bottom-up and top-down role mining techniques, including clustering\n  algorithms and formal concept analysis, to discover optimal RBAC roles from existing\n  user-permission assignments, consolidating overlapping roles and enforcing least\n  privilege. Use when an identity program needs to reduce role explosion or redesign\n  its RBAC role set from access data.\ndomain: cybersecurity\nsubdomain: identity-access-management\ntags:\n- rbac\n- role-mining\n- identity-governance\n- access-control\n- least-privilege\n- clustering\nversion: '1.0'\nauthor: mahipal\nlicense: Apache-2.0\nnist_csf:\n- PR.AA-01\n- PR.AA-02\n- PR.AA-05\n- PR.AA-06\nmitre_attack:\n- T1078\n- T1098\n- T1069\n---\n\n# Building Role Mining for RBAC Optimization\n\n## Overview\n\nRole mining is the process of analyzing existing user-permission assignments to discover optimal roles for a Role-Based Access Control (RBAC) system. Organizations accumulate excessive permissions over time through job changes, project assignments, and ad-hoc access grants, leading to \"role explosion\" where thousands of granular roles exist with significant overlap. Role mining uses data analysis -- including clustering algorithms, formal concept analysis, and graph-based methods -- to consolidate permissions into a minimal set of roles that accurately represent business functions while enforcing least privilege.\n\n\n## When to Use\n\n- When deploying or configuring building role mining for rbac optimization capabilities in your environment\n- When establishing security controls aligned to compliance requirements\n- When building or improving security architecture for this domain\n- When conducting security assessments that require this implementation\n\n## Prerequisites\n\n- Export of current user-permission assignments (CSV\u002Fdatabase)\n- Identity governance platform or directory service access\n- Python 3.9+ with pandas, scikit-learn, numpy\n- Understanding of organizational structure and job functions\n- Stakeholder access for role validation workshops\n\n## Core Concepts\n\n### Role Mining Approaches\n\n| Approach | Description | Best For |\n|----------|-------------|----------|\n| Bottom-Up | Analyze existing permissions to discover common patterns | Large datasets with organic permission growth |\n| Top-Down | Design roles from business requirements and job descriptions | Greenfield RBAC or organizational restructuring |\n| Hybrid | Combine bottom-up analysis with top-down business validation | Most production environments |\n\n### Role Mining Algorithms\n\n**1. Permission Clustering**: Group users with similar permission sets using k-means or hierarchical clustering. Users in the same cluster share a common role.\n\n**2. Formal Concept Analysis (FCA)**: Mathematical framework that identifies complete set of concepts (user groups sharing exact permission sets) from a binary user-permission matrix.\n\n**3. Graph-Based Mining**: Model users and permissions as a bipartite graph, then find dense subgraphs representing candidate roles.\n\n**4. Boolean Matrix Decomposition**: Decompose the user-permission matrix U into U ≈ R × P where R maps users to roles and P maps roles to permissions.\n\n### Role Mining Metrics\n\n| Metric | Formula | Target |\n|--------|---------|--------|\n| Role Count | Total distinct roles after mining | Minimize |\n| Coverage | Permissions explained by mined roles \u002F Total permissions | > 95% |\n| Weighted Structural Complexity (WSC) | Sum of role-user + role-permission assignments | Minimize |\n| Deviation | Extra permissions not covered by assigned roles | \u003C 5% |\n\n## Workflow\n\n### Step 1: Extract User-Permission Data\n\nCollect the current access state from all identity sources:\n\n```python\nimport pandas as pd\nimport numpy as np\n\n# Load user-permission assignments\n# Format: user_id, permission_id (one row per assignment)\nassignments = pd.read_csv(\"user_permissions.csv\")\n\n# Create binary user-permission matrix (UPA matrix)\nupa_matrix = assignments.pivot_table(\n    index=\"user_id\",\n    columns=\"permission_id\",\n    aggfunc=\"size\",\n    fill_value=0\n)\nupa_matrix = (upa_matrix > 0).astype(int)\n\nprint(f\"Users: {upa_matrix.shape[0]}\")\nprint(f\"Permissions: {upa_matrix.shape[1]}\")\nprint(f\"Assignments: {assignments.shape[0]}\")\nprint(f\"Density: {upa_matrix.values.sum() \u002F upa_matrix.size:.2%}\")\n```\n\n### Step 2: Bottom-Up Role Discovery Using Clustering\n\n```python\nfrom sklearn.cluster import AgglomerativeClustering\nfrom sklearn.metrics import silhouette_score\n\ndef find_optimal_clusters(matrix, max_k=50):\n    \"\"\"Find optimal number of roles using silhouette analysis.\"\"\"\n    scores = []\n    for k in range(2, min(max_k, matrix.shape[0])):\n        clustering = AgglomerativeClustering(\n            n_clusters=k, metric=\"jaccard\", linkage=\"average\"\n        )\n        labels = clustering.fit_predict(matrix)\n        score = silhouette_score(matrix, labels, metric=\"jaccard\")\n        scores.append((k, score))\n\n    optimal_k = max(scores, key=lambda x: x[1])[0]\n    return optimal_k, scores\n\ndef mine_roles_clustering(upa_matrix, n_clusters):\n    \"\"\"Mine roles using hierarchical clustering on Jaccard distance.\"\"\"\n    clustering = AgglomerativeClustering(\n        n_clusters=n_clusters, metric=\"jaccard\", linkage=\"average\"\n    )\n    user_matrix = upa_matrix.values\n    labels = clustering.fit_predict(user_matrix)\n\n    roles = {}\n    for cluster_id in range(n_clusters):\n        cluster_users = upa_matrix.index[labels == cluster_id]\n        cluster_permissions = upa_matrix.loc[cluster_users]\n\n        # Core role = permissions held by >80% of cluster members\n        permission_frequency = cluster_permissions.mean()\n        core_permissions = permission_frequency[permission_frequency >= 0.8].index.tolist()\n\n        roles[f\"Role_{cluster_id}\"] = {\n            \"permissions\": core_permissions,\n            \"user_count\": len(cluster_users),\n            \"users\": cluster_users.tolist(),\n            \"coverage\": permission_frequency[permission_frequency >= 0.8].mean()\n        }\n\n    return roles, labels\n```\n\n### Step 3: Formal Concept Analysis\n\n```python\ndef mine_roles_fca(upa_matrix, min_support=3):\n    \"\"\"Mine roles using Formal Concept Analysis (frequent closed itemsets).\"\"\"\n    from itertools import combinations\n\n    users = upa_matrix.index.tolist()\n    permissions = upa_matrix.columns.tolist()\n\n    concepts = []\n\n    # Find all maximal permission sets shared by at least min_support users\n    for size in range(len(permissions), 0, -1):\n        for perm_combo in combinations(permissions, size):\n            perm_set = set(perm_combo)\n            # Find users who have ALL permissions in this set\n            matching_users = []\n            for user in users:\n                user_perms = set(upa_matrix.columns[upa_matrix.loc[user] == 1])\n                if perm_set.issubset(user_perms):\n                    matching_users.append(user)\n\n            if len(matching_users) >= min_support:\n                # Check if this is a closed concept (no superset with same extent)\n                is_closed = True\n                for concept in concepts:\n                    if set(matching_users) == set(concept[\"users\"]) and \\\n                       perm_set.issubset(set(concept[\"permissions\"])):\n                        is_closed = False\n                        break\n\n                if is_closed:\n                    concepts.append({\n                        \"permissions\": list(perm_set),\n                        \"users\": matching_users,\n                        \"support\": len(matching_users)\n                    })\n\n        if len(concepts) > 100:  # Limit for performance\n            break\n\n    return concepts\n```\n\n### Step 4: Evaluate and Select Roles\n\n```python\ndef evaluate_role_set(roles, upa_matrix):\n    \"\"\"Evaluate the quality of a mined role set.\"\"\"\n    total_assignments = upa_matrix.values.sum()\n    covered_assignments = 0\n    extra_assignments = 0\n\n    for role_name, role_data in roles.items():\n        role_perms = set(role_data[\"permissions\"])\n        for user in role_data[\"users\"]:\n            user_perms = set(upa_matrix.columns[upa_matrix.loc[user] == 1])\n            covered = role_perms.intersection(user_perms)\n            extra = role_perms - user_perms\n            covered_assignments += len(covered)\n            extra_assignments += len(extra)\n\n    metrics = {\n        \"total_roles\": len(roles),\n        \"total_assignments\": total_assignments,\n        \"covered_assignments\": covered_assignments,\n        \"coverage_rate\": covered_assignments \u002F total_assignments if total_assignments else 0,\n        \"extra_permissions\": extra_assignments,\n        \"deviation_rate\": extra_assignments \u002F (covered_assignments + extra_assignments) if (covered_assignments + extra_assignments) else 0,\n        \"avg_role_size\": np.mean([len(r[\"permissions\"]) for r in roles.values()]),\n        \"avg_users_per_role\": np.mean([r[\"user_count\"] for r in roles.values()]),\n    }\n    return metrics\n```\n\n### Step 5: Business Validation\n\nAfter mining candidate roles:\n\n1. Map mined roles to business functions (department, job title)\n2. Conduct workshops with business unit managers to validate role definitions\n3. Identify outlier permissions that indicate misconfiguration\n4. Refine roles based on feedback and re-evaluate metrics\n5. Document role definitions with business justification\n\n## Validation Checklist\n\n- [ ] User-permission matrix extracted from all identity sources\n- [ ] Multiple mining algorithms compared (clustering, FCA)\n- [ ] Optimal role count determined via silhouette analysis or WSC\n- [ ] Coverage rate exceeds 95% of existing assignments\n- [ ] Deviation rate below 5% (minimal extra permissions)\n- [ ] Mined roles validated with business stakeholders\n- [ ] Role hierarchy defined (parent-child inheritance)\n- [ ] Exception\u002Foutlier permissions documented\n- [ ] Migration plan created for transitioning to new role model\n- [ ] Ongoing role governance process defined\n\n## References\n\n- [Role Mining: Optimizing RBAC - NIST](https:\u002F\u002Fcsrc.nist.gov\u002Fprojects\u002Frole-based-access-control)\n- [RBAC Standard - ANSI\u002FINCITS 359-2012](https:\u002F\u002Fwww.incits.org\u002F)\n- [Formal Concept Analysis for Role Engineering](https:\u002F\u002Flink.springer.com\u002Fchapter\u002F10.1007\u002F978-3-540-73070-6_7)\n- [scikit-learn Clustering Documentation](https:\u002F\u002Fscikit-learn.org\u002Fstable\u002Fmodules\u002Fclustering.html)\n","# Building Role Mining for RBAC Optimization\n\n## Overview\n\nRole mining is the process of analyzing existing user-permission assignments to discover optimal roles for a Role-Based Access Control (RBAC) system. Organizations accumulate excessive permissions over time through job changes, project assignments, and ad-hoc access grants, leading to \"role explosion\" where thousands of granular roles exist with significant overlap. Role mining uses data analysis -- including clustering algorithms, formal concept analysis, and graph-based methods -- to consolidate permissions into a minimal set of roles that accurately represent business functions while enforcing least privilege.\n\n\n## When to Use\n\n- When deploying or configuring building role mining for rbac optimization capabilities in your environment\n- When establishing security controls aligned to compliance requirements\n- When building or improving security architecture for this domain\n- When conducting security assessments that require this implementation\n\n## Prerequisites\n\n- Export of current user-permission assignments (CSV\u002Fdatabase)\n- Identity governance platform or directory service access\n- Python 3.9+ with pandas, scikit-learn, numpy\n- Understanding of organizational structure and job functions\n- Stakeholder access for role validation workshops\n\n## Core Concepts\n\n### Role Mining Approaches\n\n| Approach | Description | Best For |\n|----------|-------------|----------|\n| Bottom-Up | Analyze existing permissions to discover common patterns | Large datasets with organic permission growth |\n| Top-Down | Design roles from business requirements and job descriptions | Greenfield RBAC or organizational restructuring |\n| Hybrid | Combine bottom-up analysis with top-down business validation | Most production environments |\n\n### Role Mining Algorithms\n\n**1. Permission Clustering**: Group users with similar permission sets using k-means or hierarchical clustering. Users in the same cluster share a common role.\n\n**2. Formal Concept Analysis (FCA)**: Mathematical framework that identifies complete set of concepts (user groups sharing exact permission sets) from a binary user-permission matrix.\n\n**3. Graph-Based Mining**: Model users and permissions as a bipartite graph, then find dense subgraphs representing candidate roles.\n\n**4. Boolean Matrix Decomposition**: Decompose the user-permission matrix U into U ≈ R × P where R maps users to roles and P maps roles to permissions.\n\n### Role Mining Metrics\n\n| Metric | Formula | Target |\n|--------|---------|--------|\n| Role Count | Total distinct roles after mining | Minimize |\n| Coverage | Permissions explained by mined roles \u002F Total permissions | > 95% |\n| Weighted Structural Complexity (WSC) | Sum of role-user + role-permission assignments | Minimize |\n| Deviation | Extra permissions not covered by assigned roles | \u003C 5% |\n\n## Workflow\n\n### Step 1: Extract User-Permission Data\n\nCollect the current access state from all identity sources:\n\n```python\nimport pandas as pd\nimport numpy as np\n\n# Load user-permission assignments\n# Format: user_id, permission_id (one row per assignment)\nassignments = pd.read_csv(\"user_permissions.csv\")\n\n# Create binary user-permission matrix (UPA matrix)\nupa_matrix = assignments.pivot_table(\n    index=\"user_id\",\n    columns=\"permission_id\",\n    aggfunc=\"size\",\n    fill_value=0\n)\nupa_matrix = (upa_matrix > 0).astype(int)\n\nprint(f\"Users: {upa_matrix.shape[0]}\")\nprint(f\"Permissions: {upa_matrix.shape[1]}\")\nprint(f\"Assignments: {assignments.shape[0]}\")\nprint(f\"Density: {upa_matrix.values.sum() \u002F upa_matrix.size:.2%}\")\n```\n\n### Step 2: Bottom-Up Role Discovery Using Clustering\n\n```python\nfrom sklearn.cluster import AgglomerativeClustering\nfrom sklearn.metrics import silhouette_score\n\ndef find_optimal_clusters(matrix, max_k=50):\n    \"\"\"Find optimal number of roles using silhouette analysis.\"\"\"\n    scores = []\n    for k in range(2, min(max_k, matrix.shape[0])):\n        clustering = AgglomerativeClustering(\n            n_clusters=k, metric=\"jaccard\", linkage=\"average\"\n        )\n        labels = clustering.fit_predict(matrix)\n        score = silhouette_score(matrix, labels, metric=\"jaccard\")\n        scores.append((k, score))\n\n    optimal_k = max(scores, key=lambda x: x[1])[0]\n    return optimal_k, scores\n\ndef mine_roles_clustering(upa_matrix, n_clusters):\n    \"\"\"Mine roles using hierarchical clustering on Jaccard distance.\"\"\"\n    clustering = AgglomerativeClustering(\n        n_clusters=n_clusters, metric=\"jaccard\", linkage=\"average\"\n    )\n    user_matrix = upa_matrix.values\n    labels = clustering.fit_predict(user_matrix)\n\n    roles = {}\n    for cluster_id in range(n_clusters):\n        cluster_users = upa_matrix.index[labels == cluster_id]\n        cluster_permissions = upa_matrix.loc[cluster_users]\n\n        # Core role = permissions held by >80% of cluster members\n        permission_frequency = cluster_permissions.mean()\n        core_permissions = permission_frequency[permission_frequency >= 0.8].index.tolist()\n\n        roles[f\"Role_{cluster_id}\"] = {\n            \"permissions\": core_permissions,\n            \"user_count\": len(cluster_users),\n            \"users\": cluster_users.tolist(),\n            \"coverage\": permission_frequency[permission_frequency >= 0.8].mean()\n        }\n\n    return roles, labels\n```\n\n### Step 3: Formal Concept Analysis\n\n```python\ndef mine_roles_fca(upa_matrix, min_support=3):\n    \"\"\"Mine roles using Formal Concept Analysis (frequent closed itemsets).\"\"\"\n    from itertools import combinations\n\n    users = upa_matrix.index.tolist()\n    permissions = upa_matrix.columns.tolist()\n\n    concepts = []\n\n    # Find all maximal permission sets shared by at least min_support users\n    for size in range(len(permissions), 0, -1):\n        for perm_combo in combinations(permissions, size):\n            perm_set = set(perm_combo)\n            # Find users who have ALL permissions in this set\n            matching_users = []\n            for user in users:\n                user_perms = set(upa_matrix.columns[upa_matrix.loc[user] == 1])\n                if perm_set.issubset(user_perms):\n                    matching_users.append(user)\n\n            if len(matching_users) >= min_support:\n                # Check if this is a closed concept (no superset with same extent)\n                is_closed = True\n                for concept in concepts:\n                    if set(matching_users) == set(concept[\"users\"]) and \\\n                       perm_set.issubset(set(concept[\"permissions\"])):\n                        is_closed = False\n                        break\n\n                if is_closed:\n                    concepts.append({\n                        \"permissions\": list(perm_set),\n                        \"users\": matching_users,\n                        \"support\": len(matching_users)\n                    })\n\n        if len(concepts) > 100:  # Limit for performance\n            break\n\n    return concepts\n```\n\n### Step 4: Evaluate and Select Roles\n\n```python\ndef evaluate_role_set(roles, upa_matrix):\n    \"\"\"Evaluate the quality of a mined role set.\"\"\"\n    total_assignments = upa_matrix.values.sum()\n    covered_assignments = 0\n    extra_assignments = 0\n\n    for role_name, role_data in roles.items():\n        role_perms = set(role_data[\"permissions\"])\n        for user in role_data[\"users\"]:\n            user_perms = set(upa_matrix.columns[upa_matrix.loc[user] == 1])\n            covered = role_perms.intersection(user_perms)\n            extra = role_perms - user_perms\n            covered_assignments += len(covered)\n            extra_assignments += len(extra)\n\n    metrics = {\n        \"total_roles\": len(roles),\n        \"total_assignments\": total_assignments,\n        \"covered_assignments\": covered_assignments,\n        \"coverage_rate\": covered_assignments \u002F total_assignments if total_assignments else 0,\n        \"extra_permissions\": extra_assignments,\n        \"deviation_rate\": extra_assignments \u002F (covered_assignments + extra_assignments) if (covered_assignments + extra_assignments) else 0,\n        \"avg_role_size\": np.mean([len(r[\"permissions\"]) for r in roles.values()]),\n        \"avg_users_per_role\": np.mean([r[\"user_count\"] for r in roles.values()]),\n    }\n    return metrics\n```\n\n### Step 5: Business Validation\n\nAfter mining candidate roles:\n\n1. Map mined roles to business functions (department, job title)\n2. Conduct workshops with business unit managers to validate role definitions\n3. Identify outlier permissions that indicate misconfiguration\n4. Refine roles based on feedback and re-evaluate metrics\n5. Document role definitions with business justification\n\n## Validation Checklist\n\n- [ ] User-permission matrix extracted from all identity sources\n- [ ] Multiple mining algorithms compared (clustering, FCA)\n- [ ] Optimal role count determined via silhouette analysis or WSC\n- [ ] Coverage rate exceeds 95% of existing assignments\n- [ ] Deviation rate below 5% (minimal extra permissions)\n- [ ] Mined roles validated with business stakeholders\n- [ ] Role hierarchy defined (parent-child inheritance)\n- [ ] Exception\u002Foutlier permissions documented\n- [ ] Migration plan created for transitioning to new role model\n- [ ] Ongoing role governance process defined\n\n## References\n\n- [Role Mining: Optimizing RBAC - NIST](https:\u002F\u002Fcsrc.nist.gov\u002Fprojects\u002Frole-based-access-control)\n- [RBAC Standard - ANSI\u002FINCITS 359-2012](https:\u002F\u002Fwww.incits.org\u002F)\n- [Formal Concept Analysis for Role Engineering](https:\u002F\u002Flink.springer.com\u002Fchapter\u002F10.1007\u002F978-3-540-73070-6_7)\n- [scikit-learn Clustering Documentation](https:\u002F\u002Fscikit-learn.org\u002Fstable\u002Fmodules\u002Fclustering.html)\n",{"name":5,"tags":42,"author":43,"domain":27,"license":15,"version":44,"nist_csf":45,"subdomain":50,"description":7,"mitre_attack":51},[24,35,34,32,33,36],"mahipal","1.0",[46,47,48,49],"PR.AA-01","PR.AA-02","PR.AA-05","PR.AA-06","identity-access-management",[52,53,54],"T1078","T1098","T1069","main","54a798831d2266a3ca61ce68a7acb80b81160d57","skills\u002Fbuilding-role-mining-for-rbac-optimization",4425,"https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills","https:\u002F\u002Fmahipal.engineer\u002FAnthropic-Cybersecurity-Skills\u002F","https:\u002F\u002Fgithub.com\u002Fmukul975","Mahipal.engineer","🔐 Cybersecurity | 💻 Dev | 📷 Street Photographer\r\n🎓 MSc | 📚 Research & AI Security","2026-08-31 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artifact signatures and SLSA provenance using Sigstore's cosign (verify, verify-attestation, verify-blob-attestation) and slsa-verifier (verify-artifact), enforcing keyless OIDC builder identity and source repo against SLSA Build levels. Use in CI\u002FCD before deploying artifacts, when consuming third-party attestations, establishing a SLSA Build L3 pipeline, or confirming provenance during incident response or admission control.","https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fverifying-build-provenance-with-slsa-sigstore\u002FSKILL.md",[121],{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},[123,124,125,126,127,27,128,28,30,129,130,131,132,133,134,135,136,137,138,139],"sigstore","provenance","slsa","verifying build provenance with slsa sigstore","security","incident response","code","artifacts","ci","supply-chain","pipeline","supply-chain-security","t1195","attestation","code-signing","cosign","keyless",{"skillNo":141,"name":142,"nameZh":6,"description":143,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":144,"categories":145,"keywords":147,"publishedAt":37},"01M6AGDGBPWYVZ2F11GFKJ4HZ9","validating-tpm-measured-boot-attestation","Verifies TPM 2.0 measured-boot integrity and remote attestation with tpm2-tools -- reading PCRs (tpm2_pcrread), replaying the boot event log, generating and checking signed quotes (tpm2_quote\u002Ftpm2_checkquote), and sealing secrets to a PCR policy. Use to confirm a system booted trusted firmware\u002Fkernel for Zero Trust device posture, detect boot-chain tampering via PCR drift, or build a golden-value baseline for fleet attestation.","https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fvalidating-tpm-measured-boot-attestation\u002FSKILL.md",[146],{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},[148,136,149,150,127,151,27,30,152,153,154,155,156,157,158,159,160,161,162,163],"boot","TPM","validating tpm measured boot attestation","policy","verification","ZeRO","firmware","Tools","measured-boot","PCR","integrity","secrets","remote-attestation","tpm2-tools","integrity-verification","trusted-computing",{"skillNo":165,"name":166,"nameZh":6,"description":167,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":168,"categories":169,"keywords":174,"publishedAt":37},"01M6AGDCW0Y4FXZ3362GT1941M","validating-backup-integrity-for-recovery","Validates backup integrity through cryptographic hash verification, automated restore testing, corruption detection, and recoverability checks to confirm backups are reliable for disaster recovery and ransomware response. Use before relying on backups for recovery, when building post-backup validation pipelines, auditing backup infrastructure for compliance, or checking immutable\u002Fair-gapped backups for silent corruption or tampering.","https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fvalidating-backup-integrity-for-recovery\u002FSKILL.md",[170,173],{"categoryNo":171,"categoryName":172,"taxonomyType":21,"taxonomyTypeDesc":22},"01JBSEEDCAT000000000000008","测试与质量",{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},[158,175,176,177,178,27,179,180,152,181,182,183,184,185,186,187,188,189,190,191],"backup","recovery","validating backup integrity for recovery","testing","infrastructure","validation","compliance","hash-verification","incident-response","ransomware","cryptocurrency","detection","t1078","t1490","immutable","disaster-recovery","restore-testing",{"skillNo":193,"name":194,"nameZh":6,"description":195,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":196,"categories":197,"keywords":199,"publishedAt":37},"01M6AGD9GBG2KZ336AE763J3WH","triaging-windows-with-kape","Runs KAPE (Kroll Artifact Parser and Extractor) to collect targeted forensic artifacts (registry hives, $MFT, event logs, prefetch, browser data) via Targets and parse them with Modules wrapping Eric Zimmerman's EZ Tools (PECmd, MFTECmd, RECmd). Use during early incident containment\u002Ftriage when full disk imaging is impractical but a defensible, parseable Windows artifact set is needed quickly, including at-scale remote collection.","https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills\u002Fblob\u002Fmain\u002Fskills\u002Ftriaging-windows-with-kape\u002FSKILL.md",[198],{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},[200,201,202,27,203,204,205,206,207,208,209,31,210,211,212,213,155,214,215,216],"windows","kape","triaging windows with kape","registry","browser","logs","windows-forensics","dfir","mft","mftecmd","prefetch","eric-zimmerman","digital-forensics","SET","collection","pecmd","artifact-collection",{"skillNo":218,"name":219,"nameZh":6,"description":220,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":221,"categories":222,"keywords":224,"publishedAt":37},"01M6AGD5PW5J4EVZM958WD74ZQ","triaging-vulnerabilities-with-ssvc-framework","Triages and prioritizes vulnerabilities with CISA's Stakeholder-Specific Vulnerability Categorization (SSVC) decision tree, weighing exploitation status (via the CISA KEV catalog and FIRST EPSS API), technical impact, automatability, and mission prevalence to output Track\u002FTrack*\u002FAttend\u002FAct decisions. Use when prioritizing vulnerability scan results (OpenVAS, Nessus, Qualys) for remediation planning beyond raw CVSS scores.","https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills\u002Fblob\u002Fmain\u002Fskills\u002Ftriaging-vulnerabilities-with-ssvc-framework\u002FSKILL.md",[223],{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},[225,226,227,27,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243],"vulnerabilities","framework","triaging vulnerabilities with ssvc framework","status","planning","CISA","vulnerability-management","risk-management","nessus","qualys","openvas","cvss","remediation","risk","vulnerability","api","prioritization","ssvc","decision-tree",{"skillNo":245,"name":246,"nameZh":6,"description":247,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":248,"categories":249,"keywords":251,"publishedAt":37},"01M6AGD24TTQQM4CXG69E3B9TJ","triaging-security-incident","Performs initial triage of security incidents using the NIST SP 800-61r3 and SANS PICERL frameworks, classifying incident type, assigning priority by business impact, and routing to the appropriate response team. Use when a SIEM\u002FEDR alert needs human classification, concurrent alerts must be prioritized, or a user report or threat-intel IOC match requires initial incident categorization.","https:\u002F\u002Fgithub.com\u002Fmukul975\u002FAnthropic-Cybersecurity-Skills\u002Fblob\u002Fmain\u002Fskills\u002Ftriaging-security-incident\u002FSKILL.md",[250],{"categoryNo":19,"categoryName":20,"taxonomyType":21,"taxonomyTypeDesc":22},[127,252,27,253,254,255,256,257,258,259,260,187,261,188,262,263,264,265,266,267],"triaging security incident","siem","file","ioc","soc","NIST-800-61","NIST","severity","edr","execution","analysis","classification","severity-classification","incident-triage","SANS-PICERL","SOC-operations"]