Los Angeles (AFP) - The devastating cyberattack on Sony Pictures could see the Hollywood studio lose hundreds of millions of dollars in revenue and incur massive recovery costs, experts say.The cancellation of "The Interview," which President Barack Obama called a "mistake," has significantly escalated the potential losses of last month's hack, Hemanshu Nigam of the SSP Blue cybersecurity consultancy told AFP. In all, he said, the crisis would lead to "a loss of income of $500 million."The film about a fictional CIA plot to assassinate North Korean dictator Kim Jong-Un angered Pyongyang, which called it a "terrorist act."On November 24, Sony suffered a cyberattack claimed by a group calling itself the Guardians of Peace (GOP).