Sensitive documents from the Royal Malaysian Navy (RMN) and a host of stolen military-related information from other countries ended up on a Dark Web portal last month. While classified data usually comes with a price tag, some hackers offer the information free, said Mr Muhammad Faizal Abdul Rahman, a Research Fellow at the RSIS. “To understand a ‘hack and leak’ cyber-attack, it is essential to assess the intention of the possible attackers, who may be either state-sponsored or patriotic hackers.”