Respond to security incidents across AWS, Azure, and GCP by investigating audit logs, containing compromised identities, isolating resources, and preserving evidence. Organize recovery and follow-up security measures for credential leaks, unauthorized permission changes, and attacks spanning cloud services.
- Responding to leaked cloud credentials
- Investigating unauthorized permission or resource changes
- Preserving audit logs and disk snapshots
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Collect indicators of compromise, technical clues such as suspicious domains and file hashes, from incident evidence. Add context and confidence scores, then prepare them for detection, blocking, and structured sharing with partners.
- Extracting threat indicators from incident evidence
- Adding threat context and confidence scores to indicators
- Preparing indicator lists for detection and blocking
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Build a central vulnerability dashboard with DefectDojo to combine scanner findings, remove duplicates, and track remediation. Includes Docker deployment, automated scan imports from CI/CD pipelines, Jira ticket integration, and API queries for reporting metrics.
- Combining findings from multiple security scanners
- Importing scan results automatically from CI/CD pipelines
- Connecting vulnerability findings to Jira tickets
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Investigate domains, IP addresses, and certificates linked to suspected attackers using public sources. This skill guides passive research and relationship mapping to support phishing investigations, external exposure reviews, and threat intelligence reports.
- Investigating infrastructure linked to a phishing campaign
- Adding public evidence to threat actor profiles
- Reviewing an organization's external exposure
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Draft malware incident communications for internal teams, executives, IT responders, customers, and regulators. Provides structured templates and severity-based notification workflows to organize impact details, response actions, decisions needed, and the timing of updates.
- Prepare an initial internal notification about a malware incident
- Summarize business impact and decisions for executives
- Draft technical response instructions for IT teams
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Set up MISP to collect, store, and correlate threat intelligence from multiple feeds. Use PyMISP to automate searches and imports of indicators of compromise, such as suspicious IP addresses and file hashes, and export data for security monitoring tools.
- Collecting threat indicators from multiple feeds
- Automating MISP imports and searches
- Exporting indicators for security monitoring tools
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Build a central platform for collecting, analyzing, and sharing cyber threat information. Connect MISP, OpenCTI, TheHive, and Cortex to import feeds, add context to suspicious indicators, manage cases, and track platform activity.
- Build a central threat intelligence platform
- Automate threat feed ingestion
- Add context to suspicious IP addresses and domains
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Set up Havoc infrastructure for authorized attack simulations, including its command server, traffic listeners, Nginx relay servers, and Windows agents. The skill also covers communication profiles and operational precautions for running the infrastructure.
- Preparing Havoc infrastructure for an authorized exercise
- Reviewing server and traffic relay separation
- Configuring communication profiles for an exercise
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Analyze Windows Amcache records to investigate applications, deleted executable traces, and drivers. Extract file details, compare SHA-1 hashes with malware databases, and combine records into a timeline to support incident investigations.
- Investigating traces of deleted executables
- Checking software installed during an incident
- Comparing file hashes with malware databases
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Audit AWS S3 buckets for public exposure, excessive permissions, and gaps in encryption or versioning settings. Use AWS CLI, Prowler, and access analysis to compile findings, prioritize issues, and plan or apply configuration fixes.
- Reviewing S3 settings in a newly onboarded AWS account
- Investigating alerts about publicly exposed buckets
- Preparing periodic access control audit reports
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Search public TLS certificate records through crt.sh and pycrtsh to investigate lookalike domains, unexpected certificate issuers, and untracked IT assets. Compare domain spellings and review certificate details to support phishing detection and certificate monitoring.
- Finding domains that imitate a brand
- Reviewing unexpected certificate issuers
- Investigating untracked domains and IT assets
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Parse Windows Prefetch files, which store traces of program execution, to extract run counts, timestamps, and referenced files. Build execution timelines and compare findings with other forensic evidence when investigating suspicious software or tool usage.
- Checking whether a suspicious program ran
- Building a timeline of investigative tool findings
- Investigating compression and file transfer tool usage
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Reconstruct Windows folder browsing activity from Shellbag registry records using SBECmd and ShellBags Explorer. Investigate traces of deleted directories, disconnected USB drives, and network shares while accounting for limits in what the records and timestamps show.
- Reconstructing a user's folder browsing history
- Investigating browsing traces on disconnected USB drives
- Checking access traces for deleted folders
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Analyze how ransomware encrypts files and manages keys to assess whether decryption is feasible. Examine implementation weaknesses, check existing decryptors, and document recovery options with technical reasons for the assessment.
- Assessing whether ransomware-encrypted files can be decrypted
- Examining encryption routines and key management
- Investigating key recovery from memory dumps
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Examine Windows shortcut files to recover target paths, timestamps, drive identifiers, and machine details. Organize these traces into an investigation timeline covering local documents, USB devices, network shares, and suspicious startup shortcuts.
- Reconstruct document access history from Windows shortcuts
- Trace references to files on USB devices
- Investigate access to network shares
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Analyze Zeek and NetFlow records for ransomware-related activity, including regular callbacks to attacker infrastructure, TOR connections, and possible data exfiltration. Combine indicators into risk scores and structured reports with timelines to support threat hunting and incident investigation.
- Hunting for active ransomware network activity
- Investigating possible data theft before encryption
- Checking periodic callbacks and TOR connections
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Set up and run kube-bench to check Kubernetes configuration against CIS security benchmarks. Select the appropriate benchmark and cluster components, then export JSON or JUnit results for automated pipelines and troubleshoot skipped checks or incorrect detection.
- Setting up kube-bench for the first time
- Selecting benchmark versions and scan targets
- Exporting JSON or JUnit results for CI
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Audit Google Cloud access permissions to find overly broad roles, unnecessary service account keys, public access, and impersonation risks. Use gcloud CLI, Policy Analyzer, and IAM Recommender to document findings and plan more limited permissions.
- Reviewing access permissions across a GCP organization
- Replacing broad Owner and Editor roles with narrower roles
- Auditing unused service accounts and user-managed keys
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Use Intel CHIPSEC to inspect firmware protections, including BIOS write locks and Secure Boot settings. Save test results, extract firmware for offline comparison, and review UEFI variables to investigate configuration weaknesses or suspicious changes.
- Establishing a firmware security baseline for new hardware
- Checking BIOS and SPI flash write protection
- Extracting firmware for comparison with a known-good image
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Identify and unpack malware compressed with UPX to prepare executable files for static analysis, which examines code without running it. The workflow covers altered header repair, debugger-based recovery, and validation before analysis in Ghidra or IDA.
- Identifying suspected UPX-packed samples
- Investigating failed UPX decompression
- Recovering binaries with a debugger
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Investigate malicious software delivered through trusted updates or dependencies. Compare suspect files with legitimate versions, examine signing anomalies and injected code, and organize evidence to assess the infection path and downstream impact.
- Comparing suspicious updates with legitimate versions
- Investigating software signatures and injected code
- Tracing infection through build artifacts
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Search Windows PowerShell logs for traces of Empire, a framework used after a system is compromised. Identify characteristic launch commands, encoded code, module calls, and communication paths, then report suspicious events with timelines and severity scores.
- Investigating suspected Empire activity
- Checking encoded commands and communication paths
- Building detection rules from Empire indicators
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Analyze threat intelligence feeds to extract indicators of compromise, observable clues of possible attacks, and their campaign context. Assess source quality, standardize formats, remove duplicates, and enrich indicators for distribution to security monitoring systems.
- Assessing the quality and relevance of threat intelligence feeds
- Standardizing indicators into STIX 2.1
- Removing duplicates and adding attack campaign context
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026
Map threat groups and their attack techniques to MITRE ATT&CK, a catalog of adversary behavior. Generate Navigator visualization files, compare groups, and overlay detection coverage to identify gaps that can guide defensive planning.
- Profiling the attack techniques used by a specific threat group
- Comparing techniques across multiple threat groups
- Finding detection gaps against a target adversary
mukul975/Anthropic-Cybersecurity-Skills☆ 34.8KUpdated Aug 31, 2026