United Airlines Hit By China-Backed Hackers

HACKThe hackers who stole data on tens of millions of U.S. insurance holders and government employees in recent months breached another big target at around the same time — United Airlines.

United, the world?s second-largest airline, detected an incursion into its computer systems in May or early June, said several people familiar with the probe. According to three of these people, investigators working with the carrier have linked the attack to a group of China-backed hackers they say are behind several other large heists — including the theft of security-clearance records from the U.S. Office of Personnel Management and medical data from health insurer Anthem Inc.

The previously unreported United breach raises the possibility that the hackers now have data on the movements of millions of Americans, adding airlines to a growing list of strategic U.S. industries and institutions that have been compromised. Among the cache of data stolen from United are manifests — which include information on flights? passengers, origins and destinations — according to one person familiar with the carrier?s investigation.

It?s increasingly clear, security experts say, that China?s intelligence apparatus is amassing a vast database. Files stolen from the federal personnel office by this one China-based group could allow the hackers to identify Americans who work in defense and intelligence, including those on the payrolls of contractors. U.S. officials believe the group has links to the Chinese government, people familiar with the matter have said.

That data could be cross-referenced with stolen medical and financial records, revealing possible avenues for blackmailing or recruiting people who have security clearances. In all, the China-backed team has hacked at least 10 companies and organizations, which include other travel providers and health insurers, says security firm FireEye Inc.

Tracking Travelers

The theft of airline records potentially offers another layer of information that would allow China to chart the travel patterns of specific government or military officials.

United is one of the biggest contractors with the U.S. government among the airlines, making it a rich depository of data on the travel of American officials, military personnel and contractors. The hackers could match international flights by Chinese officials or industrialists with trips taken by U.S. personnel to the same cities at the same time, said James Lewis, a senior fellow in cybersecurity at the Center for Strategic and International Studies in Washington.

?You?re suspicious of some guy; you happen to notice that he flew to Papua New Guinea on June 23 and now you can see that the Americans have flown there on June 22 or 23,? Lewis said. ?If you?re China, you?re looking for those things that will give you a better picture of what the other side is up to.?

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