Method for securing a direct communication connection between a first and a second user equipment, both configured to operate with at least one of a plurality of base stations (eNB) of a wireless network, the first user equipment maintaining an authentication code received from a first security center accessible via the wireless network, said first security center being assigned to a first area, wherein the method comprises the steps for the first user equipment of: - maintaining a trust level of the authentication code, - reducing the trust level relating to the time of last access to one of the base stations (eNB) of the wireless network, - submitting to the second user equipment the authentication code and the trust level, for setting up the direct communication connection, in case of reception of a confirmation transmission from the second user equipment: - setting up the direct communication connection with the second user equipment, the second user equipment maintaining a list of valid authentication codes, the method further comprising the steps, for the second user equipment, upon reception, of the authentication code and the trust level from the first user equipment for setting up the direct communication connection, - checking the authentication code with said list of valid authentication codes, and - evaluating if the trust level matches a predetermined eligibility pattern, in case of a valid authentication code and trust level matches the eligibility pattern: - responding with a confirmation transmission to the first user equipment. the first user equipment maintaining an authentication code received from a first security center accessible via the wireless network, said first security center being assigned to a first area, wherein the method comprises the steps for the first user equipment of: - maintaining a trust level of the authentication code, - reducing the trust level relating to the time of last access to one of the base stations (eNB) of the wireless network, - submitting to the second user equipment the authentication code and the trust level, for setting up the direct communication connection, - maintaining a trust level of the authentication code, - reducing the trust level relating to the time of last access to one of the base stations (eNB) of the wireless network, - submitting to the second user equipment the authentication code and the trust level, for setting up the direct communication connection, in case of reception of a confirmation transmission from the second user equipment: - setting up the direct communication connection with the second user equipment, - setting up the direct communication connection with the second user equipment, the second user equipment maintaining a list of valid authentication codes, the method further comprising the steps, for the second user equipment, upon reception, of the authentication code and the trust level from the first user equipment for setting up the direct communication connection, - checking the authentication code with said list of valid authentication codes, and - evaluating if the trust level matches a predetermined eligibility pattern, in case of a valid authentication code and trust level matches the eligibility pattern: - responding with a confirmation transmission to the first user equipment. - checking the authentication code with said list of valid authentication codes, and - evaluating if the trust level matches a predetermined eligibility pattern, in case of a valid authentication code and trust level matches the eligibility pattern: - responding with a confirmation transmission to the first user equipment.