First Node, Second Node, Third Node, Communications System, and Methods Performed Thereby for Handling a Denial of Services (DoS) Attack

Abstract: a method, performed by a first node () operating in a communications system (), for handling a denial of service (dos) attack. the first node () receives (), from a second node () operating outside of the communications system (), a first message. the first message indicates i) an identifier identifying the second node (), and ii) a first indication. the first indication indicates at least one of: i) one or more target nodes () outside of the communications system () under dos attack, and ii) one or more source nodes () of the attack. the first message also indicates iii) a second indication indicating an action to be taken to mitigate the attack. the first node () also initiates () sending, directly or indirectly, a second message to one of one or more third nodes () in the communications system (). the second message initiates application of the action.

Inventor(s): Victor Gomez-Hidalgo Perez, Carlota Villasante Marcos, Miguel Angel Muñoz De La Torre Alonso

CPC Classification: H04W12/122 (Counter-measures against attacks; Protection against rogue devices)

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