1
use tokio::sync::RwLock;
2
use std::sync::Arc;
3
use crossbeam::channel::{bounded, Sender, Receiver};
4

5
pub struct XDROrchestrator {
6
    // Component registry
7
    components: Arc<RwLock<ComponentRegistry>>,
8

9
    // Event bus for inter-component communication
10
    event_bus: EventBus,
11

12
    // Workflow engine
13
    workflow_engine: WorkflowEngine,
14

15
    // Configuration management
16
    config_manager: ConfigurationManager,
17

18
    // Health monitoring
19
    health_monitor: HealthMonitor,
20
}
21

22
impl XDROrchestrator {
23
    pub async fn initialize() -> Result<Self> {
24
        let orchestrator = Self {
25
            components: Arc::new(RwLock::new(ComponentRegistry::new())),
26
            event_bus: EventBus::new(10000),
27
            workflow_engine: WorkflowEngine::new(),
28
            config_manager: ConfigurationManager::load().await?,
29
            health_monitor: HealthMonitor::new(),
30
        };
31

32
        // Initialize all components
33
        orchestrator.bootstrap_components().await?;
34

35
        // Setup event routing
36
        orchestrator.configure_event_routing().await?;
37

38
        // Start health monitoring
39
        orchestrator.start_health_monitoring();
40

41
        Ok(orchestrator)
42
    }
43

44
    async fn bootstrap_components(&self) -> Result<()> {
45
        // Initialize in dependency order
46

47
        // 1. Infrastructure layer
48
        self.init_infrastructure_security().await?;
49

50
        // 2. Cryptographic services
51
        self.init_crypto_services().await?;
52

53
        // 3. Detection engines
54
        self.init_detection_engines().await?;
55

56
        // 4. Response systems
57
        self.init_response_systems().await?;
58

59
        // 5. Advanced features
60
        self.init_advanced_features().await?;
61

62
        Ok(())
63
    }
64

65
    async fn init_detection_engines(&self) -> Result<()> {
66
        // Zero-copy threat detection
67
        let threat_detector = ZeroCopyThreatDetector::new(
68
            self.config_manager.get_detection_config()?
69
        );
70

71
        // AI behavioral analytics
72
        let behavioral_engine = AIBehavioralEngine::new(
73
            ModelConfig {
74
                model_path: "/models/behavioral_v2.onnx",
75
                threshold: 0.85,
76
                feature_extractors: vec![
77
                    Box::new(NetworkFeatureExtractor),
78
                    Box::new(ProcessFeatureExtractor),
79
                    Box::new(FileSystemFeatureExtractor),
80
                ],
81
            }
82
        ).await?;
83

84
        // ML threat hunting
85
        let threat_hunter = MLThreatHunter::new(
86
            HunterConfig {
87
                models: vec![
88
                    "/models/anomaly_detector.onnx",
89
                    "/models/malware_classifier.onnx",
90
                    "/models/lateral_movement.onnx",
91
                ],
92
                mitre_coverage: MitreCoverage::comprehensive(),
93
            }
94
        ).await?;
95

96
        // Register components
97
        let mut registry = self.components.write().await;
98
        registry.register("threat_detector", Box::new(threat_detector))?;
99
        registry.register("behavioral_engine", Box::new(behavioral_engine))?;
100
        registry.register("threat_hunter", Box::new(threat_hunter))?;
101

102
        Ok(())
103
    }
104
}
105

106
// Event-driven architecture
107
pub struct EventBus {
108
    publishers: Arc<RwLock<HashMap<EventType, Vec<Sender<Event>>>>>,
109
    subscribers: Arc<RwLock<HashMap<EventType, Vec<Box<dyn EventHandler>>>>>,
110
    event_store: EventStore,
111
}
112

113
impl EventBus {
114
    pub async fn publish(&self, event: Event) -> Result<()> {
115
        // Store event for audit
116
        self.event_store.persist(&event).await?;
117

118
        // Get subscribers for event type
119
        let subscribers = self.subscribers.read().await;
120
        if let Some(handlers) = subscribers.get(&event.event_type) {
121
            for handler in handlers {
122
                // Non-blocking dispatch
123
                let handler = handler.clone();
124
                let event = event.clone();
125
                tokio::spawn(async move {
126
                    if let Err(e) = handler.handle(event).await {
127
                        error!("Event handler error: {}", e);
128
                    }
129
                });
130
            }
131
        }
132

133
        Ok(())
134
    }
135

136
    pub async fn subscribe<H: EventHandler + 'static>(
137
        &self,
138
        event_type: EventType,
139
        handler: H,
140
    ) -> Result<()> {
141
        let mut subscribers = self.subscribers.write().await;
142
        subscribers
143
            .entry(event_type)
144
            .or_insert_with(Vec::new)
145
            .push(Box::new(handler));
146

147
        Ok(())
148
    }
149
}

1
use apache_arrow::array::{ArrayRef, RecordBatch};
2
use datafusion::prelude::*;
3

4
pub struct DataPipeline {
5
    ingestion: DataIngestion,
6
    processing: StreamProcessor,
7
    enrichment: DataEnrichment,
8
    storage: DataLake,
9
    analytics: AnalyticsEngine,
10
}
11

12
impl DataPipeline {
13
    pub async fn process_security_event(&self, event: SecurityEvent) -> Result<()> {
14
        // 1. Ingest and normalize
15
        let normalized = self.ingestion.normalize(event).await?;
16

17
        // 2. Stream processing
18
        let processed = self.processing
19
            .apply_transformations(normalized)
20
            .await?;
21

22
        // 3. Enrich with threat intelligence
23
        let enriched = self.enrichment
24
            .enrich_with_threat_intel(processed)
25
            .await?;
26

27
        // 4. Store in data lake
28
        self.storage.write_event(enriched.clone()).await?;
29

30
        // 5. Real-time analytics
31
        self.analytics.analyze(enriched).await?;
32

33
        Ok(())
34
    }
35
}
36

37
// High-performance stream processing
38
pub struct StreamProcessor {
39
    topology: StreamTopology,
40
    state_store: StateStore,
41
}
42

43
impl StreamProcessor {
44
    pub async fn build_security_topology(&mut self) -> Result<()> {
45
        // Define processing topology
46
        self.topology
47
            // Threat detection stream
48
            .add_source("threats", KafkaSource::new("security.threats"))
49

50
            // Behavioral analysis
51
            .add_processor(
52
                "behavior_analysis",
53
                BehaviorAnalyzer::new(),
54
                vec!["threats"],
55
            )
56

57
            // Correlation engine
58
            .add_processor(
59
                "correlation",
60
                CorrelationEngine::new(),
61
                vec!["behavior_analysis"],
62
            )
63

64
            // Risk scoring
65
            .add_processor(
66
                "risk_scoring",
67
                RiskScorer::new(),
68
                vec!["correlation"],
69
            )
70

71
            // Output to response system
72
            .add_sink(
73
                "response_sink",
74
                ResponseSystemSink::new(),
75
                vec!["risk_scoring"],
76
            );
77

78
        Ok(())
79
    }
80
}
81

82
// Unified data model
83
#[derive(Debug, Clone, Serialize, Deserialize)]
84
pub struct UnifiedSecurityEvent {
85
    // Core fields
86
    pub id: Uuid,
87
    pub timestamp: DateTime<Utc>,
88
    pub severity: Severity,
89
    pub confidence: f64,
90

91
    // Source information
92
    pub source: EventSource,
93
    pub raw_data: Vec<u8>,
94

95
    // Normalized fields
96
    pub event_type: SecurityEventType,
97
    pub actors: Vec<Actor>,
98
    pub assets: Vec<Asset>,
99
    pub observables: Vec<Observable>,
100

101
    // Enrichment data
102
    pub threat_intel: Option<ThreatIntelligence>,
103
    pub mitre_tactics: Vec<MitreTactic>,
104
    pub risk_score: f64,
105

106
    // Context
107
    pub context: EventContext,
108
    pub relationships: Vec<EventRelationship>,
109
}

1
use opa_wasm::Policy;
2

3
pub struct UnifiedPolicyEngine {
4
    policies: Arc<RwLock<PolicyStore>>,
5
    evaluation_cache: Arc<Cache<PolicyKey, PolicyDecision>>,
6
    rego_runtime: RegoRuntime,
7
}
8

9
impl UnifiedPolicyEngine {
10
    pub async fn evaluate(
11
        &self,
12
        context: &PolicyContext,
13
    ) -> Result<PolicyDecision> {
14
        // Check cache
15
        let cache_key = context.cache_key();
16
        if let Some(cached) = self.evaluation_cache.get(&cache_key) {
17
            return Ok(cached);
18
        }
19

20
        // Build evaluation input
21
        let input = json!({
22
            "event": context.event,
23
            "actor": context.actor,
24
            "resource": context.resource,
25
            "environment": context.environment,
26
            "history": context.history,
27
        });
28

29
        // Evaluate all applicable policies
30
        let policies = self.get_applicable_policies(context).await?;
31
        let mut decisions = Vec::new();
32

33
        for policy in policies {
34
            let decision = self.rego_runtime
35
                .evaluate(&policy, &input)
36
                .await?;
37
            decisions.push(decision);
38
        }
39

40
        // Combine decisions
41
        let final_decision = self.combine_decisions(decisions)?;
42

43
        // Cache result
44
        self.evaluation_cache.insert(cache_key, final_decision.clone());
45

46
        Ok(final_decision)
47
    }
48

49
    pub async fn deploy_policy(&self, policy: Policy) -> Result<()> {
50
        // Validate policy
51
        self.validate_policy(&policy)?;
52

53
        // Test in sandbox
54
        self.test_policy_sandbox(&policy).await?;
55

56
        // Deploy with canary rollout
57
        self.canary_deploy(policy).await?;
58

59
        Ok(())
60
    }
61
}
62

63
// Cross-component policy coordination
64
pub struct PolicyCoordinator {
65
    components: HashMap<String, Box<dyn PolicyEnforcer>>,
66
    global_policies: Vec<GlobalPolicy>,
67
}
68

69
impl PolicyCoordinator {
70
    pub async fn enforce_global_policy(
71
        &self,
72
        policy: &GlobalPolicy,
73
    ) -> Result<()> {
74
        // Translate to component-specific policies
75
        let component_policies = self.translate_policy(policy)?;
76

77
        // Deploy to all components
78
        let mut handles = Vec::new();
79

80
        for (component, policy) in component_policies {
81
            let enforcer = self.components.get(&component)
82
                .ok_or(Error::ComponentNotFound)?;
83

84
            let handle = tokio::spawn(async move {
85
                enforcer.enforce(policy).await
86
            });
87

88
            handles.push(handle);
89
        }
90

91
        // Wait for all deployments
92
        for handle in handles {
93
            handle.await??;
94
        }
95

96
        Ok(())
97
    }
98
}

1
pub struct ResponseOrchestrator {
2
    playbooks: PlaybookEngine,
3
    automation: AutomationFramework,
4
    notification: NotificationSystem,
5
    case_management: CaseManagementSystem,
6
}
7

8
pub struct PlaybookEngine {
9
    playbooks: HashMap<ThreatType, Playbook>,
10
    executor: PlaybookExecutor,
11
}
12

13
impl PlaybookEngine {
14
    pub async fn execute_response(
15
        &self,
16
        threat: &ThreatDetection,
17
    ) -> Result<ResponseOutcome> {
18
        // Select appropriate playbook
19
        let playbook = self.select_playbook(threat)?;
20

21
        // Create execution context
22
        let context = ExecutionContext {
23
            threat: threat.clone(),
24
            environment: self.gather_environment_context().await?,
25
            available_actions: self.get_available_actions(),
26
        };
27

28
        // Execute playbook
29
        let outcome = self.executor
30
            .execute(playbook, context)
31
            .await?;
32

33
        // Record outcome
34
        self.record_outcome(&outcome).await?;
35

36
        Ok(outcome)
37
    }
38
}
39

40
// Example playbook for ransomware response
41
pub fn ransomware_response_playbook() -> Playbook {
42
    Playbook::builder()
43
        .name("Ransomware Response")
44
        .severity(Severity::Critical)
45

46
        // Stage 1: Immediate containment
47
        .add_stage(Stage::new("containment")
48
            .add_action(IsolateHost::new())
49
            .add_action(BlockNetworkTraffic::new())
50
            .add_action(SuspendProcesses::new())
51
            .parallel())
52

53
        // Stage 2: Evidence collection
54
        .add_stage(Stage::new("evidence_collection")
55
            .add_action(CaptureMemoryDump::new())
56
            .add_action(CollectNetworkTraffic::new())
57
            .add_action(GatherSystemLogs::new())
58
            .timeout(Duration::from_secs(300)))
59

60
        // Stage 3: Threat hunting
61
        .add_stage(Stage::new("threat_hunt")
62
            .add_action(ScanForIOCs::new())
63
            .add_action(CheckLateralMovement::new())
64
            .add_action(IdentifyPatientZero::new()))
65

66
        // Stage 4: Recovery
67
        .add_stage(Stage::new("recovery")
68
            .add_action(RestoreFromBackup::new())
69
            .add_action(ValidateSystemIntegrity::new())
70
            .add_action(ReintegrateSystem::new())
71
            .requires_approval())
72

73
        .build()
74
}

1
pub struct HighAvailabilityManager {
2
    consensus: RaftConsensus,
3
    failover: FailoverController,
4
    replication: DataReplication,
5
    health_checker: HealthChecker,
6
}
7

8
impl HighAvailabilityManager {
9
    pub async fn ensure_availability(&mut self) -> Result<()> {
10
        // Leader election
11
        if self.consensus.is_leader().await? {
12
            self.coordinate_cluster().await?;
13
        }
14

15
        // Health monitoring
16
        let unhealthy_nodes = self.health_checker
17
            .check_all_nodes()
18
            .await?;
19

20
        // Trigger failover if needed
21
        for node in unhealthy_nodes {
22
            self.failover.failover_from(node).await?;
23
        }
24

25
        // Ensure data replication
26
        self.replication.ensure_replication_factor(3).await?;
27

28
        Ok(())
29
    }
30
}
31

32
// Multi-region deployment
33
pub struct MultiRegionDeployment {
34
    regions: Vec<Region>,
35
    global_router: GlobalTrafficRouter,
36
    sync_manager: CrossRegionSync,
37
}
38

39
impl MultiRegionDeployment {
40
    pub async fn route_request(&self, request: Request) -> Result<Response> {
41
        // Determine optimal region
42
        let region = self.global_router
43
            .select_region(&request)
44
            .await?;
45

46
        // Route to regional cluster
47
        let response = region.handle_request(request).await?;
48

49
        // Sync if needed
50
        if response.requires_sync() {
51
            self.sync_manager.sync_regions(response.sync_data()).await?;
52
        }
53

54
        Ok(response)
55
    }
56
}

1
use prometheus::{Registry, Counter, Histogram, Gauge};
2
use opentelemetry::{trace::Tracer, metrics::Meter};
3

4
pub struct ObservabilityPlatform {
5
    metrics: MetricsCollector,
6
    tracing: DistributedTracing,
7
    logging: StructuredLogging,
8
    profiling: ContinuousProfiling,
9
}
10

11
pub struct MetricsCollector {
12
    // Security metrics
13
    threats_detected: Counter,
14
    threats_blocked: Counter,
15
    detection_latency: Histogram,
16
    false_positive_rate: Gauge,
17

18
    // System metrics
19
    cpu_usage: Gauge,
20
    memory_usage: Gauge,
21
    network_throughput: Gauge,
22

23
    // Business metrics
24
    mttr: Histogram, // Mean time to respond
25
    mttd: Histogram, // Mean time to detect
26
}
27

28
impl ObservabilityPlatform {
29
    pub async fn setup_dashboards(&self) -> Result<()> {
30
        // Grafana dashboards
31
        self.create_security_dashboard().await?;
32
        self.create_performance_dashboard().await?;
33
        self.create_business_dashboard().await?;
34

35
        // Alerts
36
        self.setup_critical_alerts().await?;
37

38
        Ok(())
39
    }
40

41
    fn create_security_dashboard(&self) -> Dashboard {
42
        Dashboard::new("XDR Security Overview")
43
            .add_row(Row::new()
44
                .add_panel(Panel::graph()
45
                    .title("Threat Detection Rate")
46
                    .query("rate(threats_detected_total[5m])")
47
                    .alert_on("rate > 100"))
48
                .add_panel(Panel::stat()
49
                    .title("Active Threats")
50
                    .query("threats_active"))
51
                .add_panel(Panel::gauge()
52
                    .title("Risk Score")
53
                    .query("cluster_risk_score")))
54
            .add_row(Row::new()
55
                .add_panel(Panel::table()
56
                    .title("Recent Critical Threats")
57
                    .query("topk(10, threats_by_severity{severity='critical'})")))
58
    }
59
}
60

61
// Distributed tracing
62
pub struct SecurityTraceContext {
63
    trace_id: TraceId,
64
    threat_id: Option<ThreatId>,
65
    correlation_id: CorrelationId,
66
    baggage: HashMap<String, String>,
67
}
68

69
impl SecurityTraceContext {
70
    pub fn annotate_threat_detection(&mut self, detection: &ThreatDetection) {
71
        self.threat_id = Some(detection.id.clone());
72
        self.baggage.insert("severity".to_string(), detection.severity.to_string());
73
        self.baggage.insert("confidence".to_string(), detection.confidence.to_string());
74
    }
75
}

1
pub struct SecurityHardening {
2
    encryption: EncryptionManager,
3
    access_control: RBACManager,
4
    audit: AuditLogger,
5
    compliance: ComplianceManager,
6
}
7

8
impl SecurityHardening {
9
    pub async fn harden_deployment(&self) -> Result<()> {
10
        // Enable encryption at rest
11
        self.encryption.enable_at_rest_encryption(
12
            EncryptionConfig {
13
                algorithm: Algorithm::AES256GCM,
14
                key_rotation_days: 30,
15
                hsm_backed: true,
16
            }
17
        ).await?;
18

19
        // Enable encryption in transit
20
        self.encryption.enable_in_transit_encryption(
21
            TLSConfig {
22
                min_version: TlsVersion::TLS1_3,
23
                cipher_suites: vec![
24
                    CipherSuite::TLS_AES_256_GCM_SHA384,
25
                    CipherSuite::TLS_CHACHA20_POLY1305_SHA256,
26
                ],
27
                mutual_tls: true,
28
            }
29
        ).await?;
30

31
        // Configure RBAC
32
        self.access_control.configure_roles(vec![
33
            Role {
34
                name: "security-analyst".to_string(),
35
                permissions: vec![
36
                    Permission::ReadThreatData,
37
                    Permission::CreateIncident,
38
                    Permission::RunInvestigation,
39
                ],
40
            },
41
            Role {
42
                name: "security-admin".to_string(),
43
                permissions: vec![
44
                    Permission::All,
45
                ],
46
            },
47
        ]).await?;
48

49
        // Enable comprehensive auditing
50
        self.audit.configure(AuditConfig {
51
            log_all_access: true,
52
            log_all_changes: true,
53
            tamper_proof_storage: true,
54
            retention_days: 2555, // 7 years
55
        }).await?;
56

57
        Ok(())
58
    }
59
}

1
pub struct ZeroCopyPipeline {
2
    ring_buffer: Arc<RingBuffer>,
3
    parsers: Vec<Box<dyn ZeroCopyParser>>,
4
    processors: Vec<Box<dyn ZeroCopyProcessor>>,
5
}
6

7
impl ZeroCopyPipeline {
8
    pub async fn process_stream(&self) -> Result<()> {
9
        loop {
10
            // Get next packet without copying
11
            let packet = self.ring_buffer.get_next_packet()?;
12

13
            // Parse in-place
14
            let parsed = self.parse_packet(&packet)?;
15

16
            // Process without allocation
17
            let result = self.process_parsed(&parsed)?;
18

19
            // Send result zero-copy
20
            self.send_result(result).await?;
21

22
            // Mark packet as processed
23
            self.ring_buffer.advance();
24
        }
25
    }
26
}

1
#[cfg(test)]
2
mod benchmarks {
3
    use criterion::{criterion_group, criterion_main, Criterion, BenchmarkId};
4

5
    fn benchmark_integrated_detection(c: &mut Criterion) {
6
        let mut group = c.benchmark_group("integrated_detection");
7

8
        for packet_rate in [1000, 10000, 100000, 1000000] {
9
            group.bench_with_input(
10
                BenchmarkId::from_parameter(packet_rate),
11
                &packet_rate,
12
                |b, &rate| {
13
                    let runtime = tokio::runtime::Runtime::new().unwrap();
14
                    let platform = runtime.block_on(create_test_platform());
15

16
                    b.iter(|| {
17
                        runtime.block_on(async {
18
                            platform.process_packets(rate).await
19
                        })
20
                    });
21
                },
22
            );
23
        }
24

25
        group.finish();
26
    }
27

28
    fn benchmark_policy_evaluation(c: &mut Criterion) {
29
        c.bench_function("policy_evaluation_complex", |b| {
30
            let runtime = tokio::runtime::Runtime::new().unwrap();
31
            let engine = runtime.block_on(create_policy_engine());
32
            let context = create_complex_context();
33

34
            b.iter(|| {
35
                runtime.block_on(async {
36
                    engine.evaluate(&context).await
37
                })
38
            });
39
        });
40
    }
41

42
    criterion_group!(
43
        benches,
44
        benchmark_integrated_detection,
45
        benchmark_policy_evaluation
46
    );
47
    criterion_main!(benches);
48
}

1
pub async fn handle_security_incident(
2
    platform: &XDRPlatform,
3
    alert: SecurityAlert,
4
) -> Result<IncidentReport> {
5
    // 1. Validate and enrich alert
6
    let incident = platform.create_incident(alert).await?;
7

8
    // 2. Automated containment
9
    if incident.severity >= Severity::High {
10
        platform.execute_containment(&incident).await?;
11
    }
12

13
    // 3. Investigation
14
    let investigation = platform.investigate(&incident).await?;
15

16
    // 4. Response execution
17
    let response = platform.execute_response_playbook(
18
        &incident,
19
        &investigation,
20
    ).await?;
21

22
    // 5. Recovery
23
    if response.success {
24
        platform.initiate_recovery(&incident).await?;
25
    }
26

27
    // 6. Post-incident analysis
28
    let report = platform.generate_incident_report(
29
        &incident,
30
        &investigation,
31
        &response,
32
    ).await?;
33

34
    Ok(report)
35
}