Tie in to a banking service, so you can do direct deposits to many millions of people, every time there's new settlements paid, and you'll be a folk hero.
Get lawyers who want negligent companies to actually regret the breaches, with judgements that hurt. (Rather than a small settlement that gets lawyers paid, but is only a small cost of doing business, which is preferable to doing business responsibly.)
Optional: Sell data of imminent lawsuits, to an investment firm.
Though, ideally, investors won't need this data, since everyone will know that a breach means a stock should take a hit. Isn't that how it should be.