'encryption' 검색 결과

Analyzes how a ransomware sample encrypts files: identifying the crypto scheme (symmetric/asymmetric/hybrid), key handling, file targeting and extension/marker changes, shadow-copy deletion, and ransom-note artifacts. Activates for requests to analyze ransomware encryption, assess decryptability, or study ransomware behavior.

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FlutterSecureStorage (v10.x) for encrypted key-value storage of sensitive data using platform-native secure enclaves with biometric authentication support. Use this skill when storing OAuth tokens (access tokens, refresh tokens, ID tokens), API keys and secrets, user passwords or PINs, session tokens, encryption keys, private keys for cryptography, certificate data, biometric enrollment data, banking credentials, health data, or any sensitive information requiring platform-level encryption (iOS Keychain with Secure Enclave, Android Keystore with Hardware-backed keys). Supports Touch ID, Face ID, and Android biometric prompt integration. Handles biometric change invalidation (resetOnError), data migration from SharedPreferences/EncryptedSharedPreferences, Google Drive backup exclusion, automatic key rotation, configurable encryption algorithms (AES), and prevents data extraction even on rooted/jailbroken devices. Essential for authentication flows, secure credential management, or compliance requirements (PCI DSS, HIPAA, GDPR data protection).

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Assess the security posture of Kubernetes etcd clusters by evaluating encryption at rest, TLS configuration, access controls, backup encryption, and network isolation.

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End-to-end encryption (E2EE) ensures that only the communicating parties can read messages, with no intermediary (including the server) able to decrypt them. bu skill implements a simplified version

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age file encryption reference — the modern, simple alternative to GPG. Covers key generation, X25519 encryption, SSH key support, passphrase mode, pipe patterns, SOPS integration, YubiKey plugins, and security considerations. By Filippo Valsorda.

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Configure Amazon S3 storage with encryption, access restrictions, and version history. Set rules for moving or deleting older files, replicate data across regions, create temporary access links, and investigate permission or policy problems.

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• Create buckets with encryption and public access blocked
• Set rules for archiving or deleting older files
• Replicate data to another region

Solve sandboxed CTF security challenges by reconstructing encoding and encryption steps, extracting data hidden in media, and tracing mobile app signing or storage behavior. Preserve exact parameters and evidence to reproduce decoded content or signed requests.

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• Reconstructing encoding and encryption chains in CTF challenges
• Extracting data hidden in images and other media
• Tracing APK or IPA request-signing logic

Analyze authorized browser extensions for Chrome, Edge, and Firefox. Inspect permissions, background scripts, storage, and network activity to reconstruct key data flows and explain credential handling, signing, encryption, or proxy behavior.

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• Review extension permissions and entry scripts
• Trace credential handling and network data flows
• Investigate suspicious or compromised extensions

Guide the design and review of software that handles personal data using GDPR engineering practices. Covers minimal data collection, access controls, logging, encryption, retention, deletion, and checks for code changes and infrastructure.

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• Reviewing APIs and data models that handle personal data
• Checking logs for sensitive information
• Designing retention and user data deletion processes

Investigate forged Kerberos authentication tickets in Active Directory by checking Windows logs for unusual encryption, excessive ticket lifetimes, and missing authentication requests. Produce a JSON report of suspicious indicators with risk ratings.

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• Investigating suspected forged authentication tickets
• Checking for possible krbtgt credential theft
• Building detection rules from authentication logs

Simulate man-in-the-middle attacks, where traffic is intercepted between communicating systems, in authorized environments. Use Bettercap, Ettercap, and mitmproxy to test encryption enforcement, certificate validation, and network detection, then document findings and recommendations.

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• Testing HTTPS enforcement and certificate validation
• Checking detection of network spoofing
• Demonstrating the risks of unencrypted traffic

Set up decoy files on endpoints and shared folders to detect possible ransomware activity. Monitor modifications, deletions, and renaming with file monitoring tools, connect events to alerts, and test whether the detection and response process works.

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• Adding ransomware warning files to shared folders
• Supplementing endpoint protection with decoy file monitoring
• Testing alerts triggered by decoy file changes

Configure TLS 1.3, a protocol for encrypted connections, on nginx, Apache, and Python applications. Select encryption settings and key exchange groups, disable outdated protocols, and use openssl s_client and testssl.sh to check connections and configuration weaknesses.

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• Enabling TLS 1.3 on nginx or Apache
• Configuring encrypted connections in a Python application
• Disabling outdated TLS versions and weak encryption

Conduct authorized WiFi security assessments covering authentication, encryption, rogue access points, and network separation. Test WPA2/WPA3 configurations and client behavior, then document weaknesses, evidence, business impact, and recommended fixes.

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• Assessing corporate, guest, and IoT WiFi security
• Evaluating WPA3 migration and transition mode
• Testing rogue access point detection

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.

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• Reviewing S3 settings in a newly onboarded AWS account
• Investigating alerts about publicly exposed buckets
• Preparing periodic access control audit reports

Audit Terraform infrastructure definitions and planned changes for excessive permissions, public exposure, and missing encryption. Use security scanners and custom rules to produce actionable findings and add automated checks before cloud infrastructure is deployed.

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• Reviewing Terraform modules and plans before deployment
• Adding security checks to Terraform CI/CD pipelines
• Enforcing organization-specific infrastructure rules

Connect NanoClaw agents to DeltaChat for email-based messaging with end-to-end encryption. Set up direct chats or small group conversations, exchange file attachments, and link each chat to the appropriate agent group.

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• Chatting with a personal assistant through DeltaChat
• Using an agent in a small DeltaChat group
• Exchanging files with an agent in chat

Assess existing Google Cloud folders and projects through read-only discovery. Compare resource locations, service usage, and customer-managed encryption requirements with Assured Workloads frameworks, then report suitable options and policy readiness findings.

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• Assess an existing folder or project's policy readiness
• Compare EU or US data boundary frameworks
• Review location, service, and encryption readiness

Plan and configure security across Google Kubernetes Engine clusters. Review access permissions, enable Secret Manager integration, and configure protections such as Shielded Nodes and Binary Authorization to strengthen the platform supporting your applications.

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• Review cluster access permissions
• Enable Secret Manager integration
• Configure Shielded Nodes and GKE Sandbox

Audit TLS/SSL, the technology that encrypts network connections, across servers and mobile apps. The skill covers outdated protocols, weak encryption, certificate validation failures, known vulnerabilities, and replay risks, helping organize evidence and prioritize fixes.

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• Auditing server protocols, encryption settings, and certificates
• Reviewing certificate validation in mobile apps
• Assessing TLS 1.3 replay risks and mutual authentication

Assess how applications use encryption, signed tokens, and random values. Identify implementation weaknesses, select relevant testing tools, and document causes and fixes for issues involving encryption modes, RSA parameters, predictable randomness, and key derivation.

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• Assessing encrypted cookies and tokens
• Checking RSA keys and cryptographic settings
• Testing session token predictability

Create and secure S3 buckets following AWS best practices for access control, encryption, monitoring, and remediation of misconfigurations. Use when the user wants to secure a new bucket, audit an existing bucket, fix a security finding, configure encryption, or enable logging and monitoring. Do NOT use for general S3 data operations, S3 Tables setup, or discovering existing data assets.

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Protects data itself rather than the systems around it — classifying what you hold, encrypting in transit and at rest and understanding what each actually defends against, managing keys and their rotation, handling secrets in applications and pipelines, minimizing and de-identifying, and deleting on purpose. Use this to design data protection for a system, assess an encryption claim, set up key or secret management, or work out what a stolen backup would actually expose.

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SSL/TLS auditing, cipher suite analysis, hash algorithm identification, encryption implementation review, and cryptographic weakness detection in code

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