Security Monitoring and Analytics
Security Monitoring and Analytics
Post-deployment security monitoring tools help detect and respond to threats in production.
// Android - Security monitoring implementation
class SecurityMonitoringService(private val context: Context) {
private val securityAnalytics = SecurityAnalytics.getInstance()
fun startMonitoring() {
// Initialize monitoring components
startIntegrityMonitoring()
startBehaviorMonitoring()
startNetworkMonitoring()
startCrashMonitoring()
}
private fun startIntegrityMonitoring() {
val integrityMonitor = IntegrityMonitor(context)
integrityMonitor.setCallback { event ->
when (event.type) {
IntegrityEvent.Type.SIGNATURE_CHANGED -> {
securityAnalytics.logEvent(
SecurityEvent(
name = "app_signature_changed",
severity = SecurityEvent.Severity.CRITICAL,
attributes = mapOf(
"old_signature" to event.oldValue,
"new_signature" to event.newValue
)
)
)
}
IntegrityEvent.Type.CHECKSUM_MISMATCH -> {
securityAnalytics.logEvent(
SecurityEvent(
name = "file_checksum_mismatch",
severity = SecurityEvent.Severity.HIGH,
attributes = mapOf(
"file" to event.affectedFile,
"expected" to event.expectedChecksum,
"actual" to event.actualChecksum
)
)
)
}
}
}
integrityMonitor.start()
}
private fun startBehaviorMonitoring() {
val behaviorMonitor = BehaviorMonitor()
// Monitor suspicious API usage
behaviorMonitor.addRule(
BehaviorRule(
name = "Excessive Permission Requests",
detector = { context ->
val recentRequests = PermissionTracker.getRecentRequests()
recentRequests.size > 5 &&
recentRequests.distinctBy { it.permission }.size > 3
},
action = { context ->
securityAnalytics.logAnomaly(
"excessive_permission_requests",
context.data
)
}
)
)
// Monitor data exfiltration attempts
behaviorMonitor.addRule(
BehaviorRule(
name = "Unusual Network Activity",
detector = { context ->
val networkStats = NetworkTracker.getStats()
networkStats.uploadBytes > THRESHOLD_BYTES &&
networkStats.unusualDestinations > 0
},
action = { context ->
securityAnalytics.logAnomaly(
"potential_data_exfiltration",
context.data
)
}
)
)
}
// Real-time threat intelligence integration
class ThreatIntelligence {
private val threatFeeds = listOf(
"https://api.threatintel.example.com/mobile/feed",
"https://api.security.example.com/indicators"
)
suspend fun checkAgainstThreatIntel(indicator: Indicator): ThreatAssessment {
val results = threatFeeds.map { feedUrl ->
async {
queryThreatFeed(feedUrl, indicator)
}
}.awaitAll()
return aggregateResults(results)
}
private suspend fun queryThreatFeed(
feedUrl: String,
indicator: Indicator
): ThreatResult {
// Query threat intelligence feed
return withContext(Dispatchers.IO) {
// API call implementation
ThreatResult(
found = false,
confidence = 0.0,
metadata = emptyMap()
)
}
}
}
}