Yes you do but you have to do it on your own.
Initially, the government offered $20K for anyone effected. Here is a news link....
It is unclear to me whether money was paid out. But, as you see, there was debate as to whether the $20K was adequate at all. There is an election going on. I suggest you get up to speed by calling your MP and each candidate.
The law firm that prosecuted the class action now says they cannot act for any further claimants.
Frankly, it sounds a mess. Here is the web answer for the first law firm...
That firm strongly recommends individual law suits.
That appears to be your remedy by consulting your own personal injury lawyer.