Plain-language definition
Deliberate high-volume message injection to overwhelm systems or subscribers.
Technical definition
Flooding targets SMSC capacity or specific MSISDNs; OTP flooding abuses verification services. Controls include rate limiting, velocity thresholds and repeated-OTP detection.
Why it matters
Flooding degrades service and masks other fraud.
Last reviewed 2026-09-12 by the Guardivia QoS Engineering Team. Product facts on this page describe current capabilities; items marked “where supported”, “optional”, “integration” or “consultancy” are confirmed per deployment.