assistants" have moved a number of these goal posts: not because they are so brilliant, but because they are quite capable of quickly trying out 10000s different combinations and testing them.
Something that was not effective in the past.
Or if it was, it was so more for the places with "low hourly work costs". Which explained why "cyber crime" often happened in hell holes.
Point is LLM tend to abuse existing security problems. That were not economical to abuse in the past.