Site catering to online criminals has been seized by the FBI

RAMP—the predominantly Russian-language online bazaar that billed itself as the “only place ransomware allowed”—had its dark web and clear web sites seized by the FBI as the agency tries to combat the growing scourge threatening critical infrastructure and organizations around the world.

Visits to both sites on Wednesday returned pages that said the FBI had taken control of the RAMP domains, which mirrored each other. RAMP has been among the dwindling number of online crime forums to operate with impunity...