A method for ensuring secure wireless communication of a User Equipment, UE, in a communication system, wherein the communication system comprises the User Equipment and a server configured to communicate data of a data traffic with each other over a network via a first communication link of a first access technology and a second communication link of a second access technology; the method comprises the steps of: Retrieving information about a type of trustiness of the first communication link of the first access technology and about a type of trustiness of the second communication link of the second access technology; Providing the information about the type of trustiness of the first communication link and about the type of trustiness of the second communication link as a first input parameter to an algorithm implemented on a computing unit of the UE and/or the server, wherein the algorithm is configured to calculate security levels, wherein as a first option: the algorithm sets-up a uniform dynamic security level of the first communication link and the second communication link based on the information about the type of trustiness of the communication links, wherein the dynamic security level can be adjusted during the course of communication; or as a second option: the algorithm sets-up a first security level of the first communication link and a second encryption security level of the second communication link based on the information about the type of trustiness of the communication links, wherein the first security level is different from the second security level. the User Equipment and a server configured to communicate data of a data traffic with each other over a network via a first communication link of a first access technology and a second communication link of a second access technology; the method comprises the steps of: Retrieving information about a type of trustiness of the first communication link of the first access technology and about a type of trustiness of the second communication link of the second access technology; Providing the information about the type of trustiness of the first communication link and about the type of trustiness of the second communication link as a first input parameter to an algorithm implemented on a computing unit of the UE and/or the server, wherein the algorithm is configured to calculate security levels, wherein as a first option: the algorithm sets-up a uniform dynamic security level of the first communication link and the second communication link based on the information about the type of trustiness of the communication links, wherein the dynamic security level can be adjusted during the course of communication; or as a second option: the algorithm sets-up a first security level of the first communication link and a second encryption security level of the second communication link based on the information about the type of trustiness of the communication links, wherein the first security level is different from the second security level. Retrieving information about a type of trustiness of the first communication link of the first access technology and about a type of trustiness of the second communication link of the second access technology; Providing the information about the type of trustiness of the first communication link and about the type of trustiness of the second communication link as a first input parameter to an algorithm implemented on a computing unit of the UE and/or the server, wherein the algorithm is configured to calculate security levels, wherein as a first option: the algorithm sets-up a uniform dynamic security level of the first communication link and the second communication link based on the information about the type of trustiness of the communication links, wherein the dynamic security level can be adjusted during the course of communication; or as a second option: the algorithm sets-up a first security level of the first communication link and a second encryption security level of the second communication link based on the information about the type of trustiness of the communication links, wherein the first security level is different from the second security level.