The primary benefit of accountability is that it gives the government a clear picture of the situation. This makes it possible to determine the exact number of victims and to guide the steps needed to strengthen security measures in banks and telecommunications companies.
This certainly imposes a burden on the companies that must submit reports. However, I don't think that this burden is excessive, since the work has already been done. The data is already known. The data simply needs to be passed on to the legislator, to an organization overseen by the government. This organization could present the data on a broader and more anonymous basis so that the members of Parliament can access the information and know exactly what's happening in Canada.