Dec 15 : Venezuela's PDVSA was subject to a cyberattack that it blamed on the United States, the state-run oil company said on Monday, adding that its operations were unaffected even though four sources said systems remained down with oil cargo deliveries suspended. Tensions are high between the U.S. and Vene

Dec 15 (Reuters) - Venezuela's PDVSA was subject to a cyberattack that it blamed on the United States, the state-run oil company said on Monday, adding that its operations were unaffected even though

Dec 15 : Venezuela's state-run oil company PDVSA has been subject to a cyberattack, it said on Monday, adding its operations were unaffected, even though four sources said systems remained down and oil cargo deliveries were suspended. Tensions are high between the U.S. and Venezuelan governments, amid a la