Policies and Procedures

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class SecurityPolicy:
    def __init__(self):
        self.policy_structure = {
            'header': {
                'title': 'Information Security Policy',
                'version': '2.0',
                'effective_date': '2025-01-01',
                'review_date': '2026-01-01',
                'approval': 'CISO',
                'classification': 'Internal'
            },
            'sections': {
                '1.0': {
                    'title': 'Purpose and Scope',
                    'content': [
                        'Establish information security framework',
                        'Protect information assets',
                        'Comply with applicable regulations',
                        'Apply to all employees and systems'
                    ]
                },
                '2.0': {
                    'title': 'Definitions',
                    'content': [
                        'Confidential information',
                        'Information assets',
                        'Security incidents',
                        'Security controls'
                    ]
                },
                '3.0': {
                    'title': 'Responsibilities',
                    'content': [
                        'CISO: Strategy and supervision',
                        'Managers: Local implementation',
                        'Employees: Compliance',
                        'IT: Technical implementation'
                    ]
                },
                '4.0': {
                    'title': 'Security Principles',
                    'content': [
                        'Confidentiality',
                        'Integrity',
                        'Availability',
                        'Compliance'
                    ]
                },
                '5.0': {
                    'title': 'Required Controls',
                    'content': [
                        'Access control',
                        'Data encryption',
                        'Security monitoring',
                        'Incident response'
                    ]
                }
            }
        }
    
    def get_policy_section(self, section_number):
        """Get policy section"""
        return self.policy_structure['sections'].get(section_number, {})
    
    def get_all_sections(self):
        """Get all sections"""
        return list(self.policy_structure['sections'].keys())

# Usage example
policy = SecurityPolicy()
purpose_section = policy.get_policy_section('1.0')
print(f"Purpose section: {purpose_section}")

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class SpecificPolicies:
    def __init__(self):
        self.policies = {
            'Access_Control_Policy': {
                'title': 'Access Control Policy',
                'scope': 'Information systems',
                'requirements': [
                    'Multi-factor authentication',
                    'Principle of least privilege',
                    'Regular access review',
                    'Segregation of duties'
                ],
                'compliance': ['ISO 27001', 'NIST', 'GDPR']
            },
            'Data_Classification_Policy': {
                'title': 'Data Classification Policy',
                'scope': 'All information',
                'requirements': [
                    'Classification by sensitivity',
                    'Information labeling',
                    'Handling according to classification',
                    'Secure destruction'
                ],
                'compliance': ['ISO 27001', 'GDPR', 'SOX']
            },
            'Incident_Response_Policy': {
                'title': 'Incident Response Policy',
                'scope': 'Security incidents',
                'requirements': [
                    'Reporting procedure',
                    'Incident escalation',
                    'Containment and eradication',
                    'Lessons learned'
                ],
                'compliance': ['ISO 27001', 'NIST', 'PCI DSS']
            },
            'Remote_Work_Policy': {
                'title': 'Remote Work Policy',
                'scope': 'Remote employees',
                'requirements': [
                    'Mandatory VPN',
                    'Corporate devices',
                    'Security training',
                    'Activity monitoring'
                ],
                'compliance': ['ISO 27001', 'GDPR']
            }
        }
    
    def get_policy_by_name(self, policy_name):
        """Get policy by name"""
        return self.policies.get(policy_name, {})
    
    def get_policies_by_compliance(self, standard):
        """Get policies by compliance standard"""
        matching_policies = []
        for name, policy in self.policies.items():
            if standard in policy.get('compliance', []):
                matching_policies.append(name)
        return matching_policies

# Usage example
specific_policies = SpecificPolicies()
access_policy = specific_policies.get_policy_by_name('Access_Control_Policy')
print(f"Access control policy: {access_policy['title']}")

iso_policies = specific_policies.get_policies_by_compliance('ISO 27001')
print(f"ISO 27001 policies: {iso_policies}")

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class AccessManagementProcedure:
    def __init__(self):
        self.procedure_steps = {
            '1': {
                'step': 'Access Request',
                'description': 'Employee requests access to system',
                'responsible': 'Requester',
                'duration': 'Immediate',
                'requirements': [
                    'Request form',
                    'Access justification',
                    'Supervisor approval',
                    'Data classification'
                ]
            },
            '2': {
                'step': 'Risk Assessment',
                'description': 'Assess risk of requested access',
                'responsible': 'Security_Team',
                'duration': '2 business days',
                'requirements': [
                    'Impact analysis',
                    'Control evaluation',
                    'Privilege review',
                    'Decision documentation'
                ]
            },
            '3': {
                'step': 'Approval',
                'description': 'Approve or reject request',
                'responsible': 'Data_Owner',
                'duration': '1 business day',
                'requirements': [
                    'Justification review',
                    'Need verification',
                    'Formal approval',
                    'Requester notification'
                ]
            },
            '4': {
                'step': 'Implementation',
                'description': 'Create account and assign permissions',
                'responsible': 'IT_Admin',
                'duration': '4 hours',
                'requirements': [
                    'Account creation',
                    'Permission assignment',
                    'MFA configuration',
                    'Activation notification'
                ]
            },
            '5': {
                'step': 'Monitoring',
                'description': 'Monitor access usage',
                'responsible': 'Security_Team',
                'duration': 'Ongoing',
                'requirements': [
                    'Activity monitoring',
                    'Access review',
                    'Regular audit',
                    'Anomaly reporting'
                ]
            }
        }
    
    def get_procedure_step(self, step_number):
        """Get procedure step"""
        return self.procedure_steps.get(step_number, {})
    
    def get_total_duration(self):
        """Get total procedure duration"""
        total_days = 0
        for step in self.procedure_steps.values():
            if 'business days' in step['duration']:
                days = int(step['duration'].split()[0])
                total_days += days
        return total_days

# Usage example
access_procedure = AccessManagementProcedure()
step_1 = access_procedure.get_procedure_step('1')
print(f"Step 1: {step_1['step']}")

total_duration = access_procedure.get_total_duration()
print(f"Total duration: {total_duration} business days")

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class IncidentResponseProcedure:
    def __init__(self):
        self.response_phases = {
            'Preparation': {
                'description': 'Preparation for incident response',
                'activities': [
                    'Team training',
                    'Response tools',
                    'Documented procedures',
                    'Prepared communications'
                ],
                'duration': 'Ongoing'
            },
            'Identification': {
                'description': 'Incident identification',
                'activities': [
                    'Anomaly detection',
                    'Initial classification',
                    'Immediate notification',
                    'Team activation'
                ],
                'duration': '0-1 hour'
            },
            'Containment': {
                'description': 'Incident containment',
                'activities': [
                    'System isolation',
                    'Evidence preservation',
                    'Damage containment',
                    'Internal communication'
                ],
                'duration': '1-4 hours'
            },
            'Eradication': {
                'description': 'Threat eradication',
                'activities': [
                    'Malware removal',
                    'Vulnerability closure',
                    'System cleanup',
                    'Cleanup verification'
                ],
                'duration': '4-24 hours'
            },
            'Recovery': {
                'description': 'Service recovery',
                'activities': [
                    'System restoration',
                    'Functionality verification',
                    'Intensive monitoring',
                    'User communication'
                ],
                'duration': '1-3 days'
            },
            'Lessons_Learned': {
                'description': 'Lessons learned',
                'activities': [
                    'Post-incident analysis',
                    'Improvement identification',
                    'Procedure updates',
                    'Additional training'
                ],
                'duration': '1-2 weeks'
            }
        }
    
    def get_phase_activities(self, phase):
        """Get activities of a phase"""
        return self.response_phases.get(phase, {}).get('activities', [])
    
    def get_critical_phases(self):
        """Get critical phases"""
        critical_phases = []
        for phase, info in self.response_phases.items():
            if info['duration'] in ['0-1 hour', '1-4 hours']:
                critical_phases.append(phase)
        return critical_phases

# Usage example
incident_procedure = IncidentResponseProcedure()
containment_activities = incident_procedure.get_phase_activities('Containment')
print(f"Containment activities: {containment_activities}")

critical_phases = incident_procedure.get_critical_phases()
print(f"Critical phases: {critical_phases}")

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class PolicyManagementSystem:
    def __init__(self):
        self.policies = {}
        self.procedures = {}
        self.compliance_status = {}
        self.review_schedule = {}
    
    def add_policy(self, policy_id, policy_data):
        """Add policy"""
        self.policies[policy_id] = {
            **policy_data,
            'status': 'Draft',
            'created_date': '2025-10-26',
            'last_review': None,
            'next_review': '2026-01-26'
        }
    
    def approve_policy(self, policy_id, approver):
        """Approve policy"""
        if policy_id in self.policies:
            self.policies[policy_id]['status'] = 'Approved'
            self.policies[policy_id]['approver'] = approver
            self.policies[policy_id]['approval_date'] = '2025-10-26'
    
    def publish_policy(self, policy_id):
        """Publish policy"""
        if policy_id in self.policies:
            self.policies[policy_id]['status'] = 'Published'
            self.policies[policy_id]['publish_date'] = '2025-10-26'
    
    def get_policies_by_status(self, status):
        """Get policies by status"""
        return [pid for pid, policy in self.policies.items() 
                if policy['status'] == status]
    
    def get_policies_due_for_review(self):
        """Get policies due for review"""
        due_policies = []
        for pid, policy in self.policies.items():
            if policy['next_review'] and policy['next_review'] <= '2025-10-26':
                due_policies.append(pid)
        return due_policies

# Usage example
policy_system = PolicyManagementSystem()
policy_system.add_policy('POL-001', {
    'title': 'Information Security Policy',
    'version': '2.0',
    'owner': 'CISO'
})

policy_system.approve_policy('POL-001', 'CEO')
policy_system.publish_policy('POL-001')

published_policies = policy_system.get_policies_by_status('Published')
print(f"Published policies: {published_policies}")

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class ComplianceSystem:
    def __init__(self):
        self.compliance_frameworks = {
            'ISO_27001': {
                'name': 'ISO/IEC 27001:2022',
                'requirements': [
                    'A.5.1.1 - Policies for Information Security',
                    'A.5.1.2 - Review of Information Security Policies',
                    'A.6.1.1 - Information Security Roles and Responsibilities',
                    'A.8.1.1 - Inventory of Assets',
                    'A.9.1.1 - Access Control Policy'
                ],
                'compliance_level': 'High'
            },
            'GDPR': {
                'name': 'General Data Protection Regulation',
                'requirements': [
                    'Article 32 - Security of Processing',
                    'Article 33 - Notification of Breach',
                    'Article 35 - Data Protection Impact Assessment',
                    'Article 25 - Data Protection by Design',
                    'Article 30 - Records of Processing Activities'
                ],
                'compliance_level': 'High'
            },
            'PCI_DSS': {
                'name': 'Payment Card Industry Data Security Standard',
                'requirements': [
                    'Requirement 1 - Firewall Configuration',
                    'Requirement 2 - Default Passwords',
                    'Requirement 3 - Stored Cardholder Data',
                    'Requirement 4 - Transmission of Cardholder Data',
                    'Requirement 5 - Anti-virus Software'
                ],
                'compliance_level': 'Medium'
            }
        }
        
        self.policy_mapping = {
            'POL-001': ['ISO_27001', 'GDPR'],
            'POL-002': ['ISO_27001', 'PCI_DSS'],
            'POL-003': ['GDPR']
        }
    
    def get_compliance_status(self, policy_id):
        """Get compliance status of a policy"""
        if policy_id not in self.policy_mapping:
            return 'No mapping found'
        
        frameworks = self.policy_mapping[policy_id]
        compliance_status = {}
        
        for framework in frameworks:
            compliance_status[framework] = {
                'name': self.compliance_frameworks[framework]['name'],
                'level': self.compliance_frameworks[framework]['compliance_level'],
                'status': 'Compliant'
            }
        
        return compliance_status
    
    def get_framework_requirements(self, framework):
        """Get requirements of a framework"""
        return self.compliance_frameworks.get(framework, {}).get('requirements', [])

# Usage example
compliance_system = ComplianceSystem()
policy_status = compliance_system.get_compliance_status('POL-001')
print(f"Compliance status: {policy_status}")

iso_requirements = compliance_system.get_framework_requirements('ISO_27001')
print(f"ISO 27001 requirements: {len(iso_requirements)}")