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August 07, 2015 at 08:06 AM
(Bloomberg) — A group of China-linked hackers that has mowed through the databanks of major American health insurers and stolen personnel records of U.S. military and intelligence agencies has struck at the heart of the nation’s air-travel system, say people familiar with investigations of the attacks.
See also: Hackers breach D.C. insurer in latest attack on health company
Sabre Corp., which processes reservations for hundreds of airlines and thousands of hotels, confirmed that its systems were breached recently, while American Airlines Group Inc. (NYSE:UAL), the world’s biggest carrier, said it is investigating whether hackers had entered its computers.
Both companies were hacked as part of the same wave of attacks that targeted insurer Anthem Inc. (NYSE:ANTM) and the U.S. government’s personnel office, according to three people with knowledge of the cybersecurity probes. The investigators have tied those incursions to the same China-backed hackers, an assessment shared by U.S. officials, the people said.
See also: Hacked in the U.S.A.: China’s not-so-hidden infiltration op
The latest incidents, which haven’t previously been reported, are the broadest yet on the U.S. travel industry, emerging a week after security experts attributed an attack on United Airlines, the world’s second-largest carrier, to the same group.
The plundered information would add to a trove already believed to include personal and employment details from background checks on millions of government employees and contractors, as well as medical histories. A foreign government could use the data to build profiles of U.S. officials and contractors, establishing information that could be used to blackmail them into providing intelligence. A government could also track the travel of U.S. officials and workers to detect military or intelligence operations, or compare their movements with those of its own citizens.
A billion actions
Sabre, one of the largest clearinghouses for travel reservations, is a potentially rich target for state-sponsored hacks because of the company’s role as a central repository of what it says are records on more than a billion travelers per year across the globe.
American is investigating whether hackers moved from Sabre’s systems into its own computers, two of the people familiar with the examination said. The carrier shares some network infrastructure with Sabre, a onetime subsidiary that it spun off as a separate company in 2000. American and Sabre began contracting with outside experts to conduct the probe within the last month, said the people with knowledge of the inquiry.
OPM matches
The American and Sabre incidents are consistent with the hacks of the U.S. Office of Personnel Management (OPM), the people familiar with the probe said. American was provided with Internet Protocol addresses used by the OPM hackers, which matched activity found in the carrier’s computer logs, one person said.
American spokesman Casey Norton said the Fort Worth, Texas-based airline is looking into the possibility that hackers entered its systems but hasn’t confirmed an intrusion. “Based on our deep and extensive investigations with the help of outside cybersecurity experts, American has found no evidence that our systems or network have experienced a breach like those at OPM or Anthem,” he said.
“We are working closely with our partners to further investigate,” Norton said, adding that the company takes cyber threats seriously and goes “above and beyond any notification requirements.”
Sabre said it had “recently learned of a cybersecurity incident” and was investigating but couldn’t say what data may have been stolen or who it believed was responsible.
“We are not aware that this incident has compromised sensitive protected information, such as credit card data or personally identifiable information, but our investigation is ongoing,” Sabre said in a statement.
Months-long hack
The OPM link, if confirmed, would add two more big names to a ballooning list of victims. In the case of United, the hackers plundered its databanks for several months based on the compiled data of the malware found in the airline’s system, according to a person familiar with the matter.
Before the disclosures about United, American and Sabre, cybersecurity firm FireEye Inc. said the same China-tied group responsible for the OPM breach had hit about 10 victims since 2013.
