Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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performing-insider-threat-investigation
Investigates insider threat incidents involving employees, contractors, or trusted partners who misuse authorized access to steal data, sabotage systems, or violate security policies. Combines digital forensics, user behavior analytics, and HR/legal coordination to build an evidence-based case. Activates for requests involving insider threat investigation, employee data theft, privilege misuse, user behavior anomaly, or internal threat detection.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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recovering-deleted-files-with-photorec
Recover deleted files from disk images and storage media using PhotoRec's file signature-based carving engine regardless of file system damage.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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implementing-siem-use-cases-for-detection
Implements SIEM detection use cases by designing correlation rules, threshold alerts, and behavioral analytics mapped to MITRE ATT&CK techniques across Splunk, Elastic, and Sentinel. Use when SOC teams need to expand detection coverage, formalize use case lifecycle management, or build a detection library aligned to organizational threat profile.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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validating-backup-integrity-for-recovery
Validate backup integrity through cryptographic hash verification, automated restore testing, corruption detection, and recoverability checks to ensure backups are reliable for disaster recovery and ransomware response scenarios.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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implementing-api-abuse-detection-with-rate-limiting
Implement API abuse detection using token bucket, sliding window, and adaptive rate limiting algorithms to prevent DDoS, brute force, and credential stuffing attacks.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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performing-purple-team-exercise
Performs purple team exercises by coordinating red team adversary emulation with blue team detection validation using MITRE ATT&CK-mapped attack scenarios, real-time detection testing, and collaborative gap remediation. Use when SOC teams need to validate detection capabilities, improve analyst skills, and close detection gaps through structured offensive-defensive collaboration.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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detecting-serverless-function-injection
Detects and prevents code injection attacks targeting serverless functions (AWS Lambda, Azure Functions, Google Cloud Functions) through event source poisoning, malicious layer injection, runtime command execution, and IAM privilege escalation via function modification. The analyst combines static analysis of function code, CloudTrail event correlation, runtime behavior monitoring, and IAM policy auditing to identify injection vectors across the expanded serverless attack surface including API Gateway, S3, SQS, DynamoDB Streams, and CloudWatch event triggers. Activates for requests involving Lambda security assessment, serverless injection detection, function event poisoning analysis, or serverless privilege escalation investigation.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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detecting-s3-data-exfiltration-attempts
Detecting data exfiltration attempts from AWS S3 buckets by analyzing CloudTrail S3 data events, VPC Flow Logs, GuardDuty findings, Amazon Macie alerts, and S3 access patterns to identify unauthorized bulk downloads and cross-account data transfers.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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mapping-mitre-attack-techniques
Maps observed adversary behaviors, security alerts, and detection rules to MITRE ATT&CK techniques and sub-techniques to quantify detection coverage and guide control prioritization. Use when building an ATT&CK-based coverage heatmap, tagging SIEM alerts with technique IDs, aligning security controls to adversary playbooks, or reporting threat exposure to executives. Activates for requests involving ATT&CK Navigator, Sigma rules, MITRE D3FEND, or coverage gap analysis.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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hunting-for-spearphishing-indicators
Hunt for spearphishing campaign indicators across email logs, endpoint telemetry, and network data to detect targeted email attacks.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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analyzing-malicious-url-with-urlscan
URLScan.io is a free service for scanning and analyzing suspicious URLs. It captures screenshots, DOM content, HTTP transactions, JavaScript behavior, and network connections of web pages in an isolat
mukul975/Anthropic-Cybersecurity-Skills 4,300
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implementing-zero-standing-privilege-with-cyberark
Deploy CyberArk Secure Cloud Access to eliminate standing privileges in hybrid and multi-cloud environments using just-in-time access with time, entitlement, and approval controls.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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implementing-pam-for-database-access
Deploy privileged access management for database systems including Oracle, SQL Server, PostgreSQL, and MySQL. Covers session proxy configuration, credential vaulting, query auditing, dynamic credentia
mukul975/Anthropic-Cybersecurity-Skills 4,300
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detecting-t1003-credential-dumping-with-edr
Detect OS credential dumping techniques targeting LSASS memory, SAM database, NTDS.dit, and cached credentials using EDR telemetry, Sysmon process access monitoring, and Windows security event correlation.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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implementing-identity-governance-with-sailpoint
Deploy SailPoint IdentityNow or IdentityIQ for identity governance and administration. Covers identity lifecycle management, access request workflows, certification campaigns, role mining, SOD policy
mukul975/Anthropic-Cybersecurity-Skills 4,300
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securing-kubernetes-on-cloud
This skill covers hardening managed Kubernetes clusters on EKS, AKS, and GKE by implementing Pod Security Standards, network policies, workload identity, RBAC scoping, image admission controls, and runtime security monitoring. It addresses cloud-specific security features including IRSA for EKS, Workload Identity for GKE, and Managed Identities for AKS.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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hunting-for-persistence-via-wmi-subscriptions
Hunt for adversary persistence through Windows Management Instrumentation event subscriptions by monitoring WMI consumer, filter, and binding creation events that execute malicious code triggered by system events.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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detecting-malicious-scheduled-tasks-with-sysmon
Detect malicious scheduled task creation and modification using Sysmon Event IDs 1 (Process Create for schtasks.exe), 11 (File Create for task XML), and Windows Security Event 4698/4702. The analyst correlates task creation with suspicious parent processes, public directory paths, and encoded command arguments to identify persistence and lateral movement via scheduled tasks. Activates for requests involving scheduled task detection, Sysmon persistence hunting, or T1053.005 Scheduled Task/Job analysis.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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building-identity-governance-lifecycle-process
Builds comprehensive identity governance and lifecycle management processes including joiner-mover-leaver automation, role mining, access request workflows, periodic recertification, and orphaned account remediation using IGA platforms. Activates for requests involving identity lifecycle management, JML processes, role-based access provisioning, or identity governance program design.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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analyzing-tls-certificate-transparency-logs
Queries Certificate Transparency logs via crt.sh and pycrtsh to detect phishing domains, unauthorized certificate issuance, and shadow IT. Monitors newly issued certificates for typosquatting and brand impersonation using Levenshtein distance. Use for proactive phishing domain detection and certificate monitoring.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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performing-red-team-with-covenant
Conduct red team operations using the Covenant C2 framework for authorized adversary simulation, including listener setup, grunt deployment, task execution, and lateral movement tracking.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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performing-cve-prioritization-with-kev-catalog
Leverage the CISA Known Exploited Vulnerabilities catalog alongside EPSS and CVSS to prioritize CVE remediation based on real-world exploitation evidence.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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building-threat-intelligence-enrichment-in-splunk
Build automated threat intelligence enrichment pipelines in Splunk Enterprise Security using lookup tables, modular inputs, and the Threat Intelligence Framework.
mukul975/Anthropic-Cybersecurity-Skills 4,300
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implementing-identity-verification-for-zero-trust
Implement continuous identity verification for zero trust using phishing-resistant MFA (FIDO2/WebAuthn), risk-based conditional access, and identity governance aligned with the CISA Zero Trust Maturity Model.
mukul975/Anthropic-Cybersecurity-Skills 4,300