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Originally published Saturday, July 13, 2013 at 4:31 PM

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Hackers profit by selling software flaws to rival nations, companies

The market for information about computer vulnerabilities has turned into a gold rush for hackers.

The New York Times

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On the tiny Mediterranean island of Malta, two Italian hackers have been searching for bugs — not the island’s many beetle varieties, but secret flaws in computer code that governments pay hundreds of thousands of dollars to learn about and exploit.

The hackers, Luigi Auriemma, 32, and Donato Ferrante, 28, sell technical details of such vulnerabilities to countries that want to break into the computer systems of foreign adversaries.

The two will not reveal the clients of their company, ReVuln, but big buyers of services like theirs include the National Security Agency — which seeks the flaws for America’s growing arsenal of cyberweapons — and U.S. adversaries like the Iranian Revolutionary Guard.

All over the world, from South Africa to South Korea, business is booming in what hackers call “zero days,” the coding flaws in software like Microsoft’s Windows that can give a buyer unfettered access to a computer and any business, agency or individual dependent on one.

Just a few years ago, hackers like Auriemma and Ferrante would have sold the knowledge of coding flaws to companies like Microsoft and Apple, which would fix them. Last month, Microsoft sharply increased the amount it was willing to pay for such flaws, raising its top offer to $150,000.

Increasingly, however, the businesses are being outbid by countries with the goal of exploiting the flaws in pursuit of the kind of success, albeit temporary, that the United States and Israel achieved three summers ago when they attacked Iran’s nuclear-enrichment program with a computer worm that became known as “Stuxnet.’’

The flaws get their name from the fact that once discovered, “zero days” exist for the user of the computer system to fix them before hackers can take advantage of the vulnerability.

A “zero-day exploit” occurs when hackers or governments strike by using the flaw before anyone else knows it exists, like a burglar who finds, after months of probing, that there is a previously undiscovered way to break into a house without sounding an alarm.

Becoming less secure

“Governments are starting to say, ‘In order to best protect my country, I need to find vulnerabilities in other countries,’” said Howard Schmidt, the former White House cybersecurity coordinator. “The problem is that we all fundamentally become less secure.”

A zero-day bug could be as simple as a hacker’s discovering an online account that asks for a password but does not actually require typing one to get in. Bypassing the system by hitting the “Enter” key becomes a zero-day exploit.

The average attack persists for almost a year — 312 days — before it is detected, according to Symantec, the maker of anti-virus software. Until then it can be exploited or “weaponized” by both criminals and governments to spy on, steal from, or attack their target.

Ten years ago, hackers would hand knowledge of such flaws to Microsoft and Google free, in exchange for a T-shirt or perhaps for an honorable mention on a company’s website. Even today, so-called patriotic hackers in China regularly hand over the information to the government.

Now, the market for information about computer vulnerabilities has turned into a gold rush. Disclosures by Edward Snowden, the former NSA consultant who leaked classified documents, made it clear that the United States is among the buyers of programming flaws. But it is hardly alone.

Israel, Britain, Russia, India and Brazil are some of the biggest spenders. North Korea is in the market, as are some Middle Eastern intelligence services. Countries in the Asian Pacific, including Malaysia and Singapore, are buying, too, according to the Center for Strategic and International Studies in Washington.

Marketing flaws

To connect sellers and buyers, dozens of well-connected brokers now market information on the flaws in exchange for a 15 percent cut. Some hackers get a deal collecting royalty fees for every month their flaw lies undiscovered, according to several people involved in the market.

Some individual brokers, like one in Bangkok who goes by “the Grugq” on Twitter, are well known. But after the Grugq spoke to Forbes last year, his business took a hit from the publicity, according to a person familiar with the impact, primarily because buyers demand confidentiality.

A broker’s approach need not be subtle. “Need code execution exploit urgent,” read the subject line of an email sent from one contractor’s intermediary last year to Billy Rios, a former security engineer at Microsoft and Google who is now a director at Cylance, a security startup.

“Dear Friend,” the email began. “Do you have any code execution exploit for Windows 7, Mac, for applications like Browser, Office, Adobe, SWF any.”

“If yes,” the email continued, “payment is not an issue.”

For startups eager to displace more established military contractors, selling vulnerabilities — and expertise about how to use them — have become a lucrative opportunity. Firms like Vupen in Montpellier, France; Netragard in Acton, Mass.; Exodus Intelligence in Austin, Texas; and ReVuln, Auriemma and Ferrante’s Maltese firm, freely advertise that they sell knowledge of the flaws for cyberespionage and in some cases for cyberweapons.

“Willful blindness”

ReVuln specializes in finding remote vulnerabilities in industrial control systems that can be used to access — or disrupt — water-treatment facilities, oil and gas pipelines and power plants.

“They are engaging in willful blindness,” said Christopher Soghoian, a senior policy analyst at the American Civil Liberties Union.

Many technology companies have started “bug bounty” programs in which they pay hackers to tell them about bugs in their systems rather than have the hackers keep the flaws to themselves — or worse, sell them on the black market.

Nearly a decade ago, the Mozilla Foundation started one of the first bounty programs to pay for bugs in its Firefox browser. Since then, Google, Facebook and PayPal have all followed suit. In recent months, bounties have soared.

In 2010, Google started paying hackers up to $3,133.70 — the number is hacker code for “elite” — for bugs in its Web browser Chrome. Last month, Google increased its cash prize to $20,000 for exploits in some of its widely used products. Facebook began a similar program in 2011 and has since paid out $1 million. (One payout included $2,500 to a 13-year-old. The most it has paid for a single bug is $20,000.)

“The program undermines the incentive to hold on to a bug that might be worth nothing in a day,” said Joe Sullivan, Facebook’s chief security officer.

Hackers turn in hackers

It had also had the unintended effect of encouraging ethical hackers to turn in others who planned to use its bugs for malicious use.

“We’ve seen people back-stab other hackers by ratting out a bug that another person planned to use maliciously,” Sullivan said.

Microsoft, which had long resisted such a program, did an about-face last month when it announced that it would pay hackers as much as $150,000 for a single exploit, if they also provided a way to defend against it.

Apple still has no such program, but its vulnerabilities are some of the most coveted. In one case, a zero-day exploit in Apple’s iOS operating system sold for $500,000, according to two people briefed on the sale.

In a prescient paper in 2007, Charlie Miller, a former NSA employee, described the profitable alternatives for hackers who may have otherwise turned their information about flaws over to the vendor for free or sold it for a few thousand dollars to programs like Tipping Point’s Zero Day Initiative, now run by Hewlett-Packard, which used them to enhance their security research.

He described how one U.S. government agency offered him $10,000 for a Linux bug. He asked another for $80,000, which agreed “too quickly,” Miller wrote. “I had probably not asked for enough.”

Because the bug did not work with a particular flavor of Linux, Miller eventually sold it for $50,000. But the take-away for him and his fellow hackers was clear: There was serious money to be made selling the flaws.

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