H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/12 (2006.01) H04L 12/08 (2006.01)
Patent
CA 2645023
The invention concerns a method and device for detecting attempts at intruding on a communication link between an aircraft and a ground station, the communication being capable of being configured according to multiple security levels, comprising the following steps: a) analyzing a message received to determine a security level corresponding to said message; b) comparing said security level with a security level associated with the communication; c) if the security levels compared at step b) are different, performing an action concerning the rejection of the received message and the signalling of an attempt at intrusion. The invention also concerns a device for implementing said method.
L'invention a pour objet un procédé de détection de tentatives d'intrusion sur une liaison de communication entre un aéronef et une station sol, la communication étant susceptible d'être configurée selon une pluralité de niveaux de sécurité, qui comprend les étapes suivantes : a) on analyse un message reçu pour déterminer un niveau de sécurité correspondant à ce message; b) on compare ledit niveau de sécurité avec un niveau de sécurité associé à la communication; c) si les niveaux de sécurité comparés à l'étape b) sont différents, on effectue une action relative au rejet du message reçu et au signalement d'une tentative d'intrusion. L'invention concerne aussi un dispositif pour mettre en AEuvre ce procédé.
Airbus France
Airbus Operations Sas
Riches Mckenzie & Herbert Llp
LandOfFree
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