If it is for processor’s own interest who is taking on its own the decision to proceed with this analysis, then he is no longer a processor, but controller. Most likely it would rely on legitimate interest as no other grounds would be applicable. But this would require also to perform an Legitimate Interest Assessment (LIA).
If however, the activity is performed at the instructions of another company, then a data processor would not need a legal basis, but do so based on the contract with that company and based on its instructions.
CRodica
If it is for processor’s own interest who is taking on its own the decision to proceed with this analysis, then he is no longer a processor, but controller. Most likely it would rely on legitimate interest as no other grounds would be applicable. But this would require also to perform an Legitimate Interest Assessment (LIA).
If however, the activity is performed at the instructions of another company, then a data processor would not need a legal basis, but do so based on the contract with that company and based on its instructions.