Is the tweet below talking about a hack (meaning an incident related to a software security vulnerability)? Answer YES or NO only.

<tweet>
Introducing our #DeFi  hack for the Kyber Network hackathon!

dDai: NAME_1 / BTC / NAME_2 by lending DAI.

https://youtube.com/watch?v=ORAkGeIRx5k

Under the hood it used: 
@KyberNetwork
 for exchange
@synthetix_io
 for Synths
@b0xNet
  for lending

</tweet>