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How U.S. agencies' trust in untested software opened the door to hackers

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The government doesn’t do much to verify the security of software from private contractors. And that’s how suspected Russian hackers got in.Network cables plugged into a server. | Michael Bocchieri/Getty ImagesThe massive monthslong hack of agencies across the U.S. government succeeded, in part, because no one was looking in the right place.The federal government conducts only cursory security inspections of the software it buys from private companies for a wide range of activities, from managing databases to operating internal chat applications. That created the blind spot that suspected Russian hackers exploited to breach the Treasury Department, the Department of Homeland Security, the National Institutes of Health and other agencies. After embedding code in widely used network management software made by a Texas company called SolarWinds, all they had to do was wait for the agencies to download routine software updates from the trusted supplier.As investigators race to assess the damage from the hacks, experts and lawmakers are calling for increased scrutiny of the third-party code that government agencies allow on their networks and demanding a fix for a long-known weakness.“The government desperately needs to set minimum security requirements for software and services, and refuse to buy anything that doesn’t meet those standards,” said Sen. Ron Wyden (D-Ore.). “It is incredibly self-defeating for federal agencies to spend billions on security and then give government contracts to companies with insecure products.”Over the past week, agencies rushed to scrub the malicious code from their networks while senior officials huddled in emergency meetings — all amid reports of more victims in the federal government, state governments and private industry. As the extent of the attack became clearer, cyber experts warned that cleaning up the mess could take months or years.SolarWinds, whose 330,000 customers include key federal agencies, major telecommunications firms, every branch of the military and four-fifths of the Fortune 500, is of the dysfunction that made this hack possible, but it is far from the only poorly guarded vendor with hooks into the most important computer networks in the world.The U.S. government relies on private vendors of all sizes to supply its agencies with software. Some have expert security teams, such as Amazon, which provides cloud hosting services, and SAP, whose software helps agencies process large quantities of data. But others, both large and small, have less rigorous security testing procedures and are more vulnerable to this kind of compromise, cyber analysts say.On Thursday, SolarWinds’ Orion software was not the only way the hackers had invaded their targets, warning of “additional initial access vectors and tactics, techniques, and procedures … that have not yet been discovered.”And now that the hackers have had months to establish a foothold in the federal networks, the Cybersecurity and Infrastructure Security Agency warned, removing them “will be highly complex and challenging.”The SolarWinds hack — which officials have linked to Russia’s foreign intelligence service, the SVR and which Secretary of State Mike Pompeo late Friday publicly pinned on Russia — reflects a level of sophistication that may be impossible to completely block, but technical professionals and policymakers say new approaches to software development and procurement could at least give defenders a fighting chance.Attacks on vendors in the software supply chain represent a known issue that needs to be prioritized, said Rep. Jim Langevin (D-R.I.), the co-founder of the Congressional Cybersecurity Caucus.“The SolarWinds incident … underscores that supply chain security is a topic that needs to be front and center,” Langevin said.He said Congress needs to “incentivize” the companies to make their software more secure, which could require expensive changes.Some others are calling for regulation.“Absolutely there needs to be more oversight of these kinds of companies,” said Emile Monette, the former chief of CISA’s supply chain risk management program. He said the government should require contractors to certify their software is free of even “moderate-impact bugs.” Typically, vendors assure only that their software is free of particularly dangerous vulnerabilities, labeled as “critical” or “high impact.”Private companies regularly deploy software with undiscovered bugs because developers lack the time, skill or incentive to fully inspect them.Monette said agencies must “be prepared to pay for increased security” in their purchases and encouraged the government to “double down on investments” in areas such as software security.It can be hard, however, for federal agencies and Fortune 500 companies to identify weaknesses when they don’t understand the complexity of what they’re buying or the ways in which it could be defective.“Security is not a significant consideration or even well understood,” said Bryan Ware, CISA’s former assistant director for cybersecurity. “Plenty of sophisticated [chief information officers] bought and deployed [SolarWinds’ software], so it’s not just the vendor I’m questioning.”There is no central inventory of which government agencies use which software in which offices, which is part of why it has taken agencies so long to determine if they have been hacked.“The first-order problem is still trying to get our arms around all of the applications and software that reside on the 101 civilian executive branch networks,” said former CISA Deputy Director Matthew Travis.Travis bemoaned the decentralized approach and encouraged Congress to authorize CISA and OMB “to re-architect the archaic federal enterprise” and push more applications to the cloud.The automated gatekeepers that do exist — two CISA-run network security programs — also weren’t equipped to identify the SolarWinds intrusion, much less stop it.One program, dubbed “Einstein,” is supposed to stop threats from crossing the threshold into federal civilian agencies’ networks, but that it has seen before, a shortcoming that the hackers carefully exploited by using servers not previously flagged as malicious.The other, Continuous Diagnostics and Mitigation, brings together scanning and monitoring services that are supposed to spot and block suspicious behavior on those networks. But CDM’s understanding of what should generate a red flag is limited to clearly suspicious activity, such as offsite transfers of massive encrypted files — which didn’t occur with the infected SolarWinds updates.Some in Congress are ready to act. In a statement, Rep. Ted Lieu (D-Calif.) said he was “working on legislation to ensure that vendors doing business with the United States government maintain a vulnerability disclosure policy.”But new regulations might not solve the problem, technical specialists said.“Government-mandated security requirements are probably more likely to HARM security than to HELP it,” Andy Keiser, a former top House Intelligence Committee aide and Trump transition national security adviser, wrote in an email. “The standards would be slow, outdated, cumbersome [and] pick incorrect winners and losers.”Congress should “carefully explore penalties for negligence” in software design, Ware said, but only in a limited way, “because it could lead to negative unintended consequences.”The government already runs security certification programs for and . Congress could examine and modify them, Ware said, to confront this new challenge.Regardless of who controls the Senate in the 117th Congress, the Democratic-led House will likely be more open to new federal mandates. A House Homeland Security Committee aide, who requested anonymity to discuss internal planning, said that it was too early to discuss regulation but added, “I’m sure we will have hearings on [SolarWinds] in the new year.”Rather than imposing new security requirements on vendors, some experts say agencies should pay more attention to the software they buy and routinely test it for flaws.James Lewis, a cyber expert at the Center for Strategic and International Studies, floated the idea of an executive order instructing agencies “to monitor and better manage their use of these kinds of platforms,” and requiring sector-specific regulators to demand the same of companies in critical industries, such as electricity and health care.“Require something similar to what Apple does on the App Store,” Lewis said, noting that the tech giant reviews every submitted app and only approves those it certifies to be secure.Some private companies do monitor third-party software in this way, but routine software auditing would likely be a massive burden on federal agencies, few of which have enough security personnel to handle this work on top of their existing tasks.One approach would be to centralize software testing at one agency. The most natural fit might be CISA, which in April became the operator of .Ware said this could prevent a situation where one agency discovered a problem in software used across the government but failed to report it to those other customers.Not everyone is convinced that this centralization would work.“Talent is in short supply everywhere, no one [is] going to volunteer people for transfer, and DHS doesn’t have the clout to steal from the agencies with talent — the [intelligence community], DoD and FBI,” Lewis said. He suggested instead that the software security oversight start at OMB, whose authority to issue edicts to other agencies is more established.Some parts of the government are already working to encourage better coding practices, though it’s slow going.For more than two years, one federal agency has been convening meetings of outside experts to discuss the creation of a kind of ingredient label for software, a “bill of materials” that would provide transparency about the code used in each program. While this software bill of materials wouldn’t completely solve the problem that led to the SolarWinds crisis, Ware and other cyber experts say it would encourage more careful coding by making an application’s digital contents more transparent.The agency behind is the Commerce Department’s National Telecommunications and Information Administration, one of the first agencies to discover that it had been hacked as part of the SolarWinds campaign.Martin Matishak contributed to this report.

The government doesn’t do much to verify the security of software from private contractors. And that’s how suspected Russian hackers got in.Network cables plugged into a server. | Michael Bocchieri/Getty ImagesThe massive monthslong hack of agencies across the U.S. government succeeded, in part, because no one was looking in the right place.The federal government conducts only cursory security inspections of the software it buys from private companies for a wide range of activities, from managing databases to operating internal chat applications. That created the blind spot that suspected...

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How U.S. agencies' trust in untested software opened the door to hackers

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