National Secure Mode (NSM)

Identify Friends, Prevent Fratricide


  • All Mk XIIA host equipment: airborne, naval, ground radar station and air defence systems
  • HENSOLDT IFF Portfolio: MSSR2000I / LTR400D / MSR1000I / BTI1000I


HENSOLDT offers its National Secure Mode (NSM) IFF solution to provide nations with a sovereign IFF capability. It integrates Nation-developed proprietary cryptographic algorithms.

The NSM solution is the way to ensure adequate interoperability between all National Forces to prevent fratricide.

HENSOLDT National Secure Mode (NSM) is a turn-key, state-of-the-art, comprehensive, nationwide solution including IFF crypto-computers, key generation, distribution and management.


  • IFF messages Encryption/Decryption (KSM)
  • IFF key generation
  • Key and certificate generation to transfer IFF keys
  • Key and time management (KTL)
  • Central national database (KAMU) and local databases (KAMS)

Main Benefits

  • IFF messages encryption/decryption, IFF algorithm customisation by national user.
  • IFF key generation, key and time management.
  • Central national database (KAMU) and local databases (KAMS).

Product Impressions




NSM Datasheet