An abbreviation for Operation Darknet, a DDoS attack facilitated by the ‘Anonymous’ hacking group on a child pornography sharing website. Active since 2015, Hydra opened as a competitor dark markets new zealand to the now-defunct Russian Anonymous Marketplace (aka RAMP), primarily facilitating narcotics trade, before becoming a bazaar for all things criminal, including offering BTC cash-out services and peddling stolen credit cards, SIM cards, documents, IDs, and counterfeit money, with the operators profiting as the intermediary for every transaction conducted on the platform.