The releaser of the data mentioned the name of a specific FBI agent and claimed the data had a specific file name containing the acronym of an non-profit organization set up to share data between private industry and intelligence organizations.
Details like that don't emerge over the course of a game of telephone. If this story is correct, and the data was not in the possession of the FBI, someone deliberately decided to make up an elaborate lie.
The FBI Agent (Christopher K. Stangl) appears in a recruiting video for cybersecurity experts. It is no sign of secret knowledge when his name is used.
It's entirely plausible that you work for the FBI and are trying to discredit talk of the FBI's involvement by proposing relatively poor arguments to the contrary.
Details like that don't emerge over the course of a game of telephone. If this story is correct, and the data was not in the possession of the FBI, someone deliberately decided to make up an elaborate lie.