Is money earned from solving a cybersecurity breach, which is outside the scope of one's original job, considered permissible (halal) or forbidden (haram)?

The questioner deserves additional pay for overtime hours and extra work, but this must be done with the company's agreement. As for the piracy issue, what the questioner did by contracting on behalf of the company for himself was not correct, as an agent is not permitted to be both parties to a contract. The correct approach is for the company itself to solve the problem, or for him to agree with it on a known wage. Nevertheless, the transaction can be ratified if the wage is fair and the company is satisfied, especially according to those who permit an agent to transact with himself if he does not show favoritism, which is a view held by the Malikis.