The National Security Agency has granted certification to General Dynamics' mission systems division for its first TACLANE E-Series product designed to protect top-secret government information that passes through ethernet data networks. The TACLANE-ES10 (KG-185A) encryptor is a Layer 2 Ethernet Data Encryption Cryptographic Interoperability Specification-compliant platform that works to secure classified information in high-speed networks at data rates up to 10 Gigabits per second, GDMS said Thursday.