A global cyber attack on Friday renewed concerns about whether the U.S. National Security Agency and other countries’ intelligence services too often horde software vulnerabilities for offensive purposes, rather than quickly alerting technology companies to such flaws.
Hacking tools believed to belong to the NSA that were leaked online last month appear to be the root cause of a major cyber attack unfurling throughout Europe and beyond, security researchers said, stoking fears that the spy agency’s powerful cyber weapons had been stolen and repurposed by hackers with nefarious goals.
Some cyber security experts and privacy advocates said the massive attack reflected a flawed approach by the United States to dedicate more cyber resources to offense rather than defense, a practice they argued makes the internet less secure.
Across the U.S. Federal government, about 90 percent of all spending on cyber programs is dedicated to offensive efforts, including penetrating the computer systems of adversaries, listening to communications and developing the means to disable or degrade infrastructure, senior intelligence officials told Reuters in March.
“These attacks underscore the fact that vulnerabilities will be exploited not just by our security agencies, but by hackers and criminals around the world,” Patrick Toomey, a staff attorney with the American Civil Liberties Union, said in a statement.
The NSA did not respond to a request for comment.
Hospitals and doctors’ surgeries in parts of England on Friday were forced to turn away patients and cancel appointments after they were infected with the “ransomware,” which scrambled data on computers and demanded payments of $300 to $600 to restore access.
Security software maker Avast said it had observed more than 57,000 infections in 99 countries. Russia, Ukraine and Taiwan were the top targets, it said.
Private security firms identified the virus as a new variant of ‘WannaCry’ ransomware with the ability to automatically spread across large networks by exploiting a bug in Microsoft’s Windows operating system.
Security experts said the ransomware used in the attacks leveraged a hacking tool found in a leak of documents in April by a group known as Shadow Brokers.
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At the time, Microsoft acknowledged the vulnerabilities and said they had been patched in a series of earlier updates pushed to customers, the most recent of which had been rolled out only a month earlier in March. But the episode prompted concerns about whether the tools could be leveraged by hackers to attack unpatched systems.
In a statement, a Microsoft spokesman said on Friday its engineers had provided additional detection and protection services against the WannaCry malware and that it was working with customers to provide additional assistance. The spokesman reiterated that customers who have Windows Updates enabled and use the company’s free antivirus software are protected.
Shadow Brokers first emerged last year and began dumping tranches of documents that it said belonged to the NSA, though the files appeared at least a few years old.
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Over time, western researchers have grown more confident that Russia may be behind Shadow Brokers and possibly other recent disclosures of sensitive information about cyber capabilities that have been pilfered from U.S. Intelligence agencies.
Some researchers cast blame not on the NSA but on the hospitals and other customers that appeared to leave themselves open to attack.
“The main problem here is organizations taking more than eight weeks to patch once Microsoft released the update,” said Chris Wysopal, chief technology officer at the cyber firm Veracode. “Eight weeks is plenty of time for a criminal organization to develop a sophisticated attack on software and launch it on a wide scale.”
Former intelligence contractor Edward Snowden, who in 2013 leaked documents to journalists revealing the existence of broad U.S. Surveillance programs, said on Twitter the NSA had built attack tools targeting U.S. Software that “now threatens the lives of hospital patients.”
“Despite warnings, (NSA) built dangerous attack tools that could target Western software,” Snowden said. “Today we see the cost.”
