BOSTON: Its going to take months to kick elite hackers widely believed to be Russian out of the U.S. government networks they have been quietly rifling through since as far back as March in Washingtons worst cyberespionage failure on record.
Experts say there simply are not enough skilled threat-hunting teams to identify all the government and private-sector systems that may have been hacked. FireEye, the cybersecurity company that discovered the worst-ever intrusion into U.S. agencies and was among the victims, has already tallied dozens of casualties. It’s racing to identify more.
We have a serious problem. We dont know what networks they are in, how deep they are, what access they have, what tools they left, said Bruce Schneier, a prominent security expert and Harvard fellow.
Its not known exactly what the hackers were seeking, but experts say it could include nuclear secrets, blueprints for advanced weaponry and information for dossiers on key government and industry leaders.
That means many federal workers and others in the private sector will have to presume that unclassified networks are teeming with spies. Agencies will often have to conduct sensitive government business on Signal, WhatsApp and other encrypted smartphone apps.
We should buckle up. This will be a long ride, said Dmitri Alperovitch, co-founder and former chief technical officer of the leading cybersecurity firm CrowdStrike. Cleanup is just phase one.
The only way to be sure a network is clean is to burn it down to the ground and rebuild it, Schneier said. Its the only way to be sure an intruder is out.
Imagine a computer network as a mansion you inhabit, and you are certain a serial killer as been there. You dont know if hes gone. How do you get work done? You kind of just hope for the best, he said.
Deputy White House press secretary Brian Morgenstern told reporters Friday that national security adviser Robert OBrien has sometimes been leading multiple daily meetings with the FBI, the Department of Homeland Security and the intelligence community, looking for ways to mitigate the hack.
He would not provide details, but rest assured we have the best and brightest working hard on it each and every single day.
President Donald Trump, who has downplayed the Russian cyberthreat after refusing to accept that a Kremlin hack-and-leak operation favored him in the 2016 election, has said nothing publicly about the SolarWinds attack. But Morgenstern said he has been briefed.
There is little incentive for the White House to disclose which agencies were hacked. That only helps U.S. adversaries, national security experts said.
What makes this hacking campaign so extraordinary is its scale 18,000 organizations were infected from March to June by malicious code that piggybacked on popular network-management software from an Austin, Texas, company called SolarWinds.
Only a sliver of those infections were activated. FireEye says it has identified dozens, all high-value targets. Microsoft, which has helped respond, says it has identified more than 40 government agencies, think tanks, government contractors, non-governmental organizations and technology companies infiltrated by the hackers, 80% of them in the United States.
SolarWinds customers include most prominent Fortune 500 companies, and its U.S. government clients are rich with generals and spymasters.
Extracting the suspected Russian hackers tool kits from victims is exacerbated by the complexity of SolarWinds platform with its dozen different components.
This is like doing heart surgery, to pull this out of a lot of environments, said Edward Amoroso, CEO of TAG Cyber.
Security teams then have to assume that the patient is still sick with undetected so-called secondary infections and set up the cyber equivalent of closed-circuit monitoring to make sure the intruders are not still around, sneaking out internal emails and other sensitive data.
That effort will take months, Alperovitch said.
If the hackers are indeed from Russias SVR foreign intelligence agency, as experts believe, their resistance may be tenacious. When they hacked the White House, the Joint Chiefs of Staff and the State Department in 2014 and 2015 it was a nightmare to get them out, Alperovitch said.
It was the virtual equivalent of hand-to-hand combat” as defenders sought to keep their footholds, to stay buried deep inside and move to other parts of the network where “they thought that they could remain for longer periods of time.
Were likely going to face the same in this situation as well, he added.
FireEye executive Charles Carmakal said the intruders are especially skilled at camouflaging their movements. Their software effectively does what a military spy often does in wartime hide among the local population, then sneak out at night and strike.
Its really hard to catch some of these, he said.
Rob Knake, the White House cybersecurity director from 2011 to 2015, said the harm to the most critical agencies in the U.S. government defense and intelligence, chiefly from the SolarWinds hacking campaign is going to be limited as long as there is no evidence that the Russians breached classified networks.
During the 2014-15 hack, we lost access to unclassified networks but were able to move all operations to classified networks with minimal disruptions, he said via email.
The Pentagon has said it has so far not detected any intrusions from the SolarWinds campaign in any of its networks classified or unclassified.
The White House has been largely silent.
Given the fierce tenor of cyberespionage the U.S., Russia and China all have formidable offensive hacking teams and have been penetrating each others government networks for years many American officials are wary of putting anything sensitive on government networks.
Fiona Hill, the top Russia expert at the National Security Council during much of the Trump administration, said she always presumed no government system was secure. She tried from the beginning not to put anything down in writing that was sensitive.
But that makes it more difficult to do business.
Amoroso, of TAG Cyber, recalled the famous pre-election dispute in 2016 over classified emails sent over a private server set up by Democratic presidential candidate Hillary Clinton when she was secretary of state. Clinton was investigated by the FBI in the matter, but no charges were brought.
I used to make the joke that the reason the Russians didnt have Hillary Clintons email is because she took it off the official State Department network, Amoroso said.
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