in.authd and cpu load

what is in.authd ?

today when i was checking TOP , i see this and it was useing a lot of cpu load !

Code: 
  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 3911 ident     25   0  6468  716  600 R 75.6  0.0   1:02.22 in.authd

 

 

 

 

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