A method, performed by a first network node , for handling broadcast information, the network node operating in a wireless communications network , the method comprising: - determining a first decryption key (K1) to be provided to a wireless device operating in the wireless communications network , wherein the first decryption key (K1) enables the wireless device to decrypt information according to an access control model, the information to be obtained from the first network node and further broadcasted to the wireless device by a second network node operating in the wireless communications network , the information comprising a plurality of subsets of positioning information arranged in a hierarchical fashion wherein subscribers have access to all or subsets of the positioning information depending on a type of subscription for wireless devices in the wireless communication network, each of the subsets of positioning information to be, or being, encrypted with a different encryption key according to a key hierarchy that enforces said access control model based on a respective type of subscription; - distributing decryption keys (K1, K2) to be used by the wireless device to decrypt subsets of data according to said access control model by providing, to the wireless device, the first decryption key (K1), which has properties that enables the wireless device to derive another decryption key (K2) as a function of the first decryption key (K1), wherein each of the decryption keys (K1) and (K2) enables the wireless device to decrypt different subsets of the plurality of subsets of positioning information; - encrypting the information to be broadcasted by the second network node 112, according to the determined key (K1), and - initiating sending , to at least the second network node , encrypted information to be broadcasted to the wireless device . - determining a first decryption key (K1) to be provided to a wireless device operating in the wireless communications network , wherein the first decryption key (K1) enables the wireless device to decrypt information according to an access control model, the information to be obtained from the first network node and further broadcasted to the wireless device by a second network node operating in the wireless communications network , the information comprising a plurality of subsets of positioning information arranged in a hierarchical fashion wherein subscribers have access to all or subsets of the positioning information depending on a type of subscription for wireless devices in the wireless communication network, each of the subsets of positioning information to be, or being, encrypted with a different encryption key according to a key hierarchy that enforces said access control model based on a respective type of subscription; - distributing decryption keys (K1, K2) to be used by the wireless device to decrypt subsets of data according to said access control model by providing, to the wireless device, the first decryption key (K1), which has properties that enables the wireless device to derive another decryption key (K2) as a function of the first decryption key (K1), wherein each of the decryption keys (K1) and (K2) enables the wireless device to decrypt different subsets of the plurality of subsets of positioning information; - encrypting the information to be broadcasted by the second network node 112, according to the determined key (K1), and - initiating sending , to at least the second network node , encrypted information to be broadcasted to the wireless device . <EOS>