ISDEI Instituto de Seguridad, Defensa y Estudios Internacionales

WASHINGTON — Three months after hackers working for a cyberunit of China’s People’s Liberation Army went silent amid evidence that they had stolen data from scores of American companies and government agencies, they appear to have resumed their attacks using different techniques, according to computer industry security experts and American officials. The Obama administration had bet that “naming and shaming” the groups, first in industry reports and then in the Pentagon’s own detailed survey of Chinese military capabilities, might prompt China’s new leadership to crack down on the military’s highly organized team of hackers — or at least urge them to become more subtle. But Unit 61398, whose well-guarded 12-story white headquarters on the edges of Shanghai became the symbol of Chinese cyberpower, is back in business, according to American officials and security companies. It is not clear precisely who has been affected by the latest attacks. Mandiant , a private security company that...

Chinese embassy in Pyongyang asks government to secure release of private Chinese fishing boat seized on May 5. China has called on North Korea to release a private Chinese fishing boat and its crew, after the boat's owner reported the detention 10 days ago, state media says. The owner of the boat took to a microblog this weekend to raise attention to the detention that happened on May 5. Yu Xuejun said unidentified gun-wielding North Koreans took his boat and 16 crew members in what he said were Chinese waters and that the North Koreans wanted a 600,000 yuan ($100,000) ransom. The diplomatic difficulty comes at a time of high Chinese frustrations with North Korea after it conducted a nuclear test and missile launches. Yu called the Chinese Embassy for help on May 10 after the boat was "grabbed" by North Korea, the official Xinhua News Agency said late on Sunday, citing an official at the Chinese Embassy in Pyongyang, Jiang Yaxian. The embassy promptly contacted the N...

Reports say deadly assault on strategic town is aided by Hezbollah fighters despite denial by Assad of foreign help. The Syrian army has pounded the rebel-held central town of Qusayr, killing at least 51 people in an apparent preparation for a ground assault, watchdog and activists said. The attack on Sunday came a day after a rare interview with Syrian President Bashar al-Assad was released, in which he said that his government was not using "fighters from outside of Syria, of other nationalities, and needs no support from any Arab or foreign state". There are now conflicting reports as to whether or not government forces have entered the town centre, with state TV reporting the army is inside the walls, but the opposition fighters telling Al Jazeera that this is not the case. Reports coming out of Qusayr, which is in Homs province, said fighters of the Lebanese Hezbollah movement assisted the military. Al Jazeera's Nisreen el-Shamayleh, reporting from Amman, said that...