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mukul975
efca3ec611
Mapped every skill to NIST CSF 2.0 subcategory IDs (GV/ID/PR/DE/RS/RC functions) based on subdomain and content analysis. Restores 11 skills corrupted during prior rebase, re-enriching with ATLAS, D3FEND, NIST AI RMF, and CSF 2.0 fields. All 754 skills now carry structured mappings for all 5 security frameworks: - MITRE ATT&CK (in tags) - MITRE ATLAS v5.5 (atlas_techniques) - MITRE D3FEND v1.3 (d3fend_techniques) - NIST AI RMF 1.0 (nist_ai_rmf) - NIST CSF 2.0 (nist_csf)
76 lines
2.4 KiB
Markdown
76 lines
2.4 KiB
Markdown
---
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name: implementing-mtls-for-zero-trust-services
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description: 'Configures mutual TLS (mTLS) authentication between microservices using Python cryptography library for certificate
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generation and ssl module for TLS verification. Validates certificate chains, checks expiration, and audits mTLS deployment
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status. Use when implementing zero-trust service-to-service authentication.
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'
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domain: cybersecurity
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subdomain: security-operations
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tags:
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- implementing
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- mtls
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- for
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- zero
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version: '1.0'
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author: mahipal
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license: Apache-2.0
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nist_csf:
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- DE.CM-01
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- RS.MA-01
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- GV.OV-01
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- DE.AE-02
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---
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# Implementing mTLS for Zero Trust Services
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## When to Use
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- When deploying or configuring implementing mtls for zero trust services capabilities in your environment
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- When establishing security controls aligned to compliance requirements
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- When building or improving security architecture for this domain
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- When conducting security assessments that require this implementation
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## Prerequisites
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- Familiarity with security operations concepts and tools
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- Access to a test or lab environment for safe execution
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- Python 3.8+ with required dependencies installed
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- Appropriate authorization for any testing activities
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## Instructions
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Generate CA certificates, issue service certificates, and configure mutual TLS
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verification for service-to-service authentication.
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```python
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from cryptography import x509
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from cryptography.x509.oid import NameOID
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from cryptography.hazmat.primitives import hashes, serialization
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from cryptography.hazmat.primitives.asymmetric import rsa
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import datetime
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# Generate CA key and certificate
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ca_key = rsa.generate_private_key(public_exponent=65537, key_size=4096)
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ca_cert = (x509.CertificateBuilder()
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.subject_name(x509.Name([x509.NameAttribute(NameOID.COMMON_NAME, "Internal CA")]))
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.issuer_name(x509.Name([x509.NameAttribute(NameOID.COMMON_NAME, "Internal CA")]))
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.public_key(ca_key.public_key())
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.serial_number(x509.random_serial_number())
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.not_valid_before(datetime.datetime.utcnow())
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.not_valid_after(datetime.datetime.utcnow() + datetime.timedelta(days=3650))
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.add_extension(x509.BasicConstraints(ca=True, path_length=None), critical=True)
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.sign(ca_key, hashes.SHA256()))
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```
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## Examples
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```python
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import ssl
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context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
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context.load_cert_chain("client.pem", "client-key.pem")
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context.load_verify_locations("ca.pem")
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context.verify_mode = ssl.CERT_REQUIRED
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```
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