The NSA has warned that attackers are targeting teleworkers taking advantage of free public networks to steal corporate data that may be sensitive. The US National Security Agency offered advice to security teams that are seeking the best wireless practices to protect corporate networks and personal devices. According to the NSA, security teams must be mindful of the security threats that come with using Wi-Fi networks that are publicly accessible. The NSA also identified Bluetooth technology and Near Field Communications as worrisome protocols.