Can we draw the following hypothesis from the context?

Context:

World of Hell (or simply WoH) was a grey hat computer hacker group that claims to be responsible for several high profile attacks in the year 2001. It gained attention due to its high profile targets and the lighthearted messages it has posted in the aftermath of its attacks.

Hypothesis: World of Hell (or simply WoH) was a grey hat computer hacker group which were debatable
It's impossible to say