NeuralBlitz Security Auditing
What I do
I enable comprehensive security audits including control assessments, compliance evaluations, policy reviews, configuration analysis, and audit reporting. I help organizations validate security posture and meet regulatory requirements.
When to use me
- Conducting internal security audits
- Preparing for external audit assessments
- Compliance checking (SOC2, ISO27001, HIPAA, PCI-DSS)
- Configuration baseline reviews
- Policy and procedure assessments
- Third-party vendor security reviews
- Continuous compliance monitoring
- Audit remediation tracking
Core Concepts
- Audit Framework: NIST CSF, ISO 27001, COBIT, COSO
- Control Assessment: Technical, administrative, physical controls
- Risk Assessment: Likelihood and impact analysis
- Compliance Mapping: Linking controls to requirements
- Evidence Collection: Documentation and artifacts
- Gap Analysis: Current vs desired state
- Audit Trail: Recording all audit activities
- Remediation Tracking: Following up on findings
- Reporting: Executive and technical audit reports
- Continuous Monitoring: Ongoing compliance verification
Code Examples
Audit Framework Manager
from enum import Enum
from typing import Dict, List
from dataclasses import dataclass, field
from datetime import datetime, timedelta
class ControlFamily(Enum):
ACCESS_CONTROL = "AC"
AUDIT_AND_ACCOUNTABILITY = "AU"
IDENTIFICATION_AND_AUTHENTICATION = "IA"
SYSTEM_AND_COMMUNICATIONS_PROTECTION = "SC"
SYSTEM_AND_INFORMATION_INTEGRITY = "SI"
class ControlStatus(Enum):
NOT_ASSESSED = "not_assessed"
COMPLIANT = "compliant"
NON_COMPLIANT = "non_compliant"
PARTIALLY_COMPLIANT = "partially_compliant"
NOT_APPLICABLE = "not_applicable"
@dataclass
class AuditControl:
control_id: str
name: str
description: str
family: ControlFamily
status: ControlStatus
last_assessed: datetime
next_assessment: datetime
assessor: str
findings: List[str]
evidence: List[str]
risk_score: int = 0
class SecurityAuditManager:
def __init__(self):
self.controls: Dict[str, AuditControl] = {}
self.findings: List[Dict] = []
def create_control(self, control_id: str, name: str, description: str,
family: ControlFamily) -> AuditControl:
control = AuditControl(
control_id=control_id,
name=name,
description=description,
family=family,
status=ControlStatus.NOT_ASSESSED,
last_assessed=datetime.now(),
next_assessment=datetime.now() + timedelta(days=365),
assessor="",
findings=[],
evidence=[]
)
self.controls[control_id] = control
return control
def assess_control(self, control_id: str, status: ControlStatus,
assessor: str, findings: List[str], evidence: List[str]):
if control_id in self.controls:
self.controls[control_id].status = status
self.controls[control_id].assessor = assessor
self.controls[control_id].findings = findings
self.controls[control_id].evidence = evidence
self.controls[control_id].last_assessed = datetime.now()
if status == ControlStatus.NON_COMPLIANT:
self.controls[control_id].risk_score = 80
elif status == ControlStatus.PARTIALLY_COMPLIANT:
self.controls[control_id].risk_score = 50
def get_compliance_summary(self) -> Dict:
total = len(self.controls)
compliant = sum(1 for c in self.controls.values()
if c.status == ControlStatus.COMPLIANT)
non_compliant = sum(1 for c in self.controls.values()
if c.status == ControlStatus.NON_COMPLIANT)
return {
"total_controls": total,
"compliant": compliant,
"non_compliant": non_compliant,
"compliance_rate": round(compliant / max(total, 1) * 100, 2)
}
def export_audit_report(self) -> Dict:
return {
"generated_at": datetime.now().isoformat(),
"compliance_summary": self.get_compliance_summary(),
"controls": [
{
"id": c.control_id,
"name": c.name,
"family": c.family.value,
"status": c.status.value,
"risk_score": c.risk_score
}
for c in self.controls.values()
]
}
Configuration Compliance Checker
import re
from typing import Dict, List
from dataclasses import dataclass
from enum import Enum
class ComplianceLevel(Enum):
PASS = "pass"
FAIL = "fail"
WARNING = "warning"
INFO = "info"
@dataclass
class ComplianceCheck:
check_id: str
name: str
description: str
level: ComplianceLevel
findings: str
remediation: str
severity: str
class ConfigurationAuditor:
def check_ssh_config(self, sshd_config: str) -> List[ComplianceCheck]:
findings = []
if re.search(r'^PermitRootLogin\s+yes', sshd_config, re.MULTILINE):
findings.append(ComplianceCheck(
check_id="SSH-001",
name="Root Login Configuration",
description="SSH root login should be disabled",
level=ComplianceLevel.FAIL,
findings="PermitRootLogin is set to yes",
remediation="Set PermitRootLogin to no",
severity="HIGH"
))
if re.search(r'^Protocol\s+1', sshd_config, re.MULTILINE):
findings.append(ComplianceCheck(
check_id="SSH-002",
name="SSH Protocol Version",
description="SSH protocol version 1 should not be used",
level=ComplianceLevel.FAIL,
findings="Protocol 1 is enabled",
remediation="Set Protocol to 2 only",
severity="HIGH"
))
return findings
def check_password_policy(self, policy_data: Dict) -> List[ComplianceCheck]:
findings = []
if policy_data.get('min_length', 0) < 12:
findings.append(ComplianceCheck(
check_id="PW-001",
name="Minimum Password Length",
description="Password minimum length should be at least 12",
level=ComplianceLevel.FAIL,
findings=f"Minimum length is {policy_data.get('min_length', 0)}",
remediation="Set minimum password length to 12 or more",
severity="HIGH"
))
return findings
def generate_report(self, checks: List[ComplianceCheck]) -> Dict:
passed = sum(1 for c in checks if c.level == ComplianceLevel.PASS)
failed = sum(1 for c in checks if c.level == ComplianceLevel.FAIL)
return {
"total_checks": len(checks),
"passed": passed,
"failed": failed,
"pass_rate": round(passed / max(len(checks), 1) * 100, 2),
"findings": [c.__dict__ for c in checks if c.level == ComplianceLevel.FAIL]
}
Best Practices
- Follow established audit frameworks (NIST, ISO 27001, CIS)
- Document scope, methodology, and criteria before starting
- Collect evidence before the assessment period ends
- Use risk-based approach to prioritize high-risk areas
- Maintain auditor independence and objectivity
- Communicate findings clearly to stakeholders
- Track remediation through completion
- Conduct regular internal audits between external assessments
- Update controls based on framework changes
- Train audit staff on current threats and vulnerabilities
Common Patterns
- SOC 2 Type II: Annual audit of security, availability, processing integrity, confidentiality, privacy
- ISO 27001 Certification: ISMS certification with annual surveillance audits
- PCI DSS Assessment: Annual assessment for cardholder data environments
- HIPAA Audit: Periodic audits of PHI protection controls
- Continuous Auditing: Automated controls monitoring with sampling