Cyber war

THE SECRET WAR

Infiltration, sabotage, hayhem. For years Four-Star general Keuth Alexander has been building a secret army cabble of launching devastating cyberattacks.

NOW IT’S READY TO UNLEASH HELL.

Wired,

12 June, 2013

INSIDE FORT MEADE, Maryland, a top-secret city bustles. Tens of thousands of people move through more than 50 buildings—the city has its own post office, fire department, and police force. But as if designed by Kafka, it sits among a forest of trees, surrounded by electrified fences and heavily armed guards, protected by antitank barriers, monitored by sensitive motion detectors, and watched by rotating cameras. To block any telltale electromagnetic signals from escaping, the inner walls of the buildings are wrapped in protective copper shielding and the one-way windows are embedded with a fine copper mesh.

This is the undisputed domain of General Keith Alexander, a man few even in Washington would likely recognize. Never before has anyone in America’s intelligence sphere come close to his degree of power, the number of people under his command, the expanse of his rule, the length of his reign, or the depth of his secrecy. A four-star Army general, his authority extends across three domains: He is director of the world’s largest intelligence service, the National Security Agency; chief of the Central Security Service; and commander of the US Cyber Command. As such, he has his own secret military, presiding over the Navy’s 10th Fleet, the 24th Air Force, and the Second Army.

Alexander runs the nation’s cyberwar efforts, an empire he has built over the past eight years by insisting that the US’s inherent vulnerability to digital attacks requires him to amass more and more authority over the data zipping around the globe. In his telling, the threat is so mind-bogglingly huge that the nation has little option but to eventually put the entire civilian Internet under his protection, requiring tweets and emails to pass through his filters, and putting the kill switch under the government’s forefinger. “What we see is an increasing level of activity on the networks,” he said at a recent security conference in Canada. “I am concerned that this is going to break a threshold where the private sector can no longer handle it and the government is going to have to step in.”

In its tightly controlled public relations, the NSA has focused attention on the threat of cyberattack against the US—the vulnerability of critical infrastructure like power plants and water systems, the susceptibility of the military’s command and control structure, the dependence of the economy on the Internet’s smooth functioning. Defense against these threats was the paramount mission trumpeted by NSA brass at congressional hearings and hashed over at security conferences.

But there is a flip side to this equation that is rarely mentioned: The military has for years been developing offensive capabilities, giving it the power not just to defend the US but to assail its foes. Using so-called cyber-kinetic attacks, Alexander and his forces now have the capability to physically destroy an adversary’s equipment and infrastructure, and potentially even to kill. Alexander—who declined to be interviewed for this article—has concluded that such cyberweapons are as crucial to 21st-century warfare as nuclear arms were in the 20th.

And he and his cyberwarriors have already launched their first attack. The cyberweapon that came to be known as Stuxnet was created and built by the NSA in partnership with the CIA and Israeli intelligence in the mid-2000s. The first known piece of malware designed to destroy physical equipment, Stuxnet was aimed at Iran’s nuclear facility in Natanz. By surreptitiously taking control of an industrial control link known as a Scada (Supervisory Control and Data Acquisition) system, the sophisticated worm was able to damage about a thousand centrifuges used to enrich nuclear material.

The success of this sabotage came to light only in June 2010, when the malware spread to outside computers. It was spotted by independent security researchers, who identified telltale signs that the worm was the work of thousands of hours of professional development. Despite headlines around the globe, officials in Washington have never openly acknowledged that the US was behind the attack. It wasn’t until 2012 that anonymous sources within the Obama administration took credit for it in interviews with The New York Times.

But Stuxnet is only the beginning. Alexander’s agency has recruited thousands of computer experts, hackers, and engineering PhDs to expand US offensive capabilities in the digital realm. The Pentagon has requested $4.7 billion for “cyberspace operations,” even as the budget of the CIA and other intelligence agencies could fall by $4.4 billion. It is pouring millions into cyberdefense contractors. And more attacks may be planned.

Inside the government, the general is regarded with a mixture of respect and fear, not unlike J. Edgar Hoover, another security figure whose tenure spanned multiple presidencies. “We jokingly referred to him as Emperor Alexander—with good cause, because whatever Keith wants, Keith gets,” says one former senior CIA official who agreed to speak on condition of anonymity. “We would sit back literally in awe of what he was able to get from Congress, from the White House, and at the expense of everybody else.”

Now 61, Alexander has said he plans to retire in 2014; when he does step down he will leave behind an enduring legacy—a position of far-reaching authority and potentially Strangelovian powers at a time when the distinction between cyberwarfare and conventional warfare is beginning to blur. A recent Pentagon report made that point in dramatic terms. It recommended possible deterrents to a cyberattack on the US. Among the options: launching nuclear weapons

He may be a four-star Army general, but Alexander more closely resembles a head librarian than George Patton. His face is anemic, his lips a neutral horizontal line. Bald halfway back, he has hair the color of strong tea that turns gray on the sides, where it is cut close to the skin, more schoolboy than boot camp. For a time he wore large rimless glasses that seemed to swallow his eyes. Some combat types had a derisive nickname for him: Alexander the Geek.

Born in 1951, the third of five children, Alexander was raised in the small upstate New York hamlet of Onondaga Hill, a suburb of Syracuse. He tossed papers for the Syracuse Post-Standard and ran track at Westhill High School while his father, a former Marine private, was involved in local Republican politics. It was 1970, Richard Nixon was president, and most of the country had by then begun to see the war in Vietnam as a disaster. But Alexander had been accepted at West Point, joining a class that included two other future four-star generals, David Petraeus and Martin Dempsey. Alexander would never get the chance to serve in Vietnam. Just as he stepped off the bus at West Point, the ground war finally began winding down.

In April 1974, just before graduation, he married his high school classmate Deborah Lynn Douglas, who grew up two doors away in Onondaga Hill. The fighting in Vietnam was over, but the Cold War was still bubbling, and Alexander focused his career on the solitary, rarefied world of signals intelligence, bouncing from secret NSA base to secret NSA base, mostly in the US and Germany. He proved a competent administrator, carrying out assignments and adapting to the rapidly changing high tech environment. Along the way he picked up masters degrees in electronic warfare, physics, national security strategy, and business administration. As a result, he quickly rose up the military intelligence ranks, where expertise in advanced technology was at a premium.

In 2001, Alexander was a one-star general in charge of the Army Intelligence and Security Command, the military’s worldwide network of 10,700 spies and eavesdroppers. In March of that year he told his hometown Syracuse newspaper that his job was to discover threats to the country. “We have to stay out in front of our adversary,” Alexander said. “It’s a chess game, and you don’t want to lose this one.” But just six months later, Alexander and the rest of the American intelligence community suffered a devastating defeat when they were surprised by the attacks on 9/11. Following the assault, he ordered his Army intercept operators to begin illegally monitoring the phone calls and email of American citizens who had nothing to do with terrorism, including intimate calls between journalists and their spouses. Congress later gave retroactive immunity to the telecoms that assisted the government.

In 2003 Alexander, a favorite of defense secretary Donald Rumsfeld, was named the Army’s deputy chief of staff for intelligence, the service’s most senior intelligence position. Among the units under his command were the military intelligence teams involved in the human rights abuses at Baghdad’s Abu Ghraib prison. Two years later, Rumsfeld appointed Alexander—now a three-star general—director of the NSA, where he oversaw the illegal, warrantless wiretapping program while deceiving members of the House Intelligence Committee. In a publicly released letter to Alexander shortly after The New York Times exposed the program, US representative Rush Holt, a member of the committee, angrily took him to task for not being forthcoming about the wiretapping: “Your responses make a mockery of congressional oversight.”

Alexander also proved to be militant about secrecy. In 2005 a senior agency employee named Thomas Drake allegedly gave information to The Baltimore Sun showing that a publicly discussed program known as Trailblazer was millions of dollars overbudget, behind schedule, possibly illegal, and a serious threat to privacy. In response, federal prosecutors charged Drake with 10 felony counts, including retaining classified documents and making false statements. He faced up to 35 years in prison—despite the fact that all of the information Drake was alleged to have leaked was not only unclassified and already in the public domain but in fact had been placed there by NSA and Pentagon officials themselves. (As a longtime chronicler of the NSA, I served as a consultant for Drake’s defense team. The investigation went on for four years, after which Drake received no jail time or fine. The judge, Richard D. Bennett, excoriated the prosecutor and NSA officials for dragging their feet. “I find that unconscionable. Unconscionable,” he said during a hearing in 2011. “That’s four years of hell that a citizen goes through. It was not proper. It doesn’t pass the smell test.”)

But while the powers that be were pressing for Drake’s imprisonment, a much more serious challenge was emerging. Stuxnet, the cyberweapon used to attack the Iranian facility in Natanz, was supposed to be untraceable, leaving no return address should the Iranians discover it. Citing anonymous Obama administration officials, The New York Times reported that the malware began replicating itself and migrating to computers in other countries. Cyber­security detectives were thus able to detect and analyze it. By the summer of 2010 some were pointing fingers at the US.

Natanz is a small, dusty town in central Iran known for its plump pears and the burial vault of the 13th-century Sufi sheikh Abd al-Samad. The Natanz nuclear enrichment plant is a vault of a different kind. Tucked in the shadows of the Karkas Mountains, most of it lies deep underground and surrounded by concrete walls 8 feet thick, with another layer of concrete for added security. Its bulbous concrete roof rests beneath more than 70 feet of packed earth. Contained within the bombproof structure are halls the size of soccer pitches, designed to hold thousands of tall, narrow centrifuges. The machines are linked in long cascades that look like tacky decorations from a ’70s discotheque.

To work properly, the centrifuges need strong, lightweight, well-balanced rotors and high-speed bearings. Spin these rotors too slowly and the critical U-235 molecules inside fail to separate; spin them too quickly and the machines self-destruct and may even explode. The operation is so delicate that the computers controlling the rotors’ movement are isolated from the Internet by a so-called air gap that prevents exposure to viruses and other malware.

In 2006, the Department of Defense gave the go-ahead to the NSA to begin work on targeting these centrifuges, according to The New York Times. One of the first steps was to build a map of the Iranian nuclear facility’s computer networks. A group of hackers known as Tailored Access Operations—a highly secret organization within the NSA—took up the challenge.

They set about remotely penetrating communications systems and networks, stealing passwords and data by the terabyte. Teams of “vulnerability analysts” searched hundreds of computers and servers for security holes, according to a former senior CIA official involved in the Stuxnet program. Armed with that intelligence, so-called network exploitation specialists then developed software implants known as beacons, which worked like surveillance drones, mapping out a blueprint of the network and then secretly communicating the data back to the NSA. (Flame, the complex piece of surveillance malware discovered by Russian cybersecurity experts last year, was likely one such beacon.) The surveillance drones worked brilliantly. The NSA was able to extract data about the Iranian networks, listen to and record conversations through computer microphones, even reach into the mobile phones of anyone within Bluetooth range of a compromised machine.

The next step was to create a digital warhead, a task that fell to the CIA Clandestine Service’s Counter-Proliferation Division. According to the senior CIA official, much of this work was outsourced to national labs, notably Sandia in Albuquerque, New Mexico. So by the mid-2000s, the government had developed all the fundamental technology it needed for an attack. But there was still a major problem: The secretive agencies had to find a way to access Iran’s most sensitive and secure computers, the ones protected by the air gap. For that, Alexander and his fellow spies would need outside help.

This is where things get murky. One possible bread crumb trail leads to an Iranian electronics and computer wholesaler named Ali Ashtari, who later confessed that he was recruited as a spy by the Mossad, Israel’s intelligence service. (Israel denied the claim.) Ashtari’s principal customers were the procurement officers for some of Iran’s most sensitive organizations, including the intelligence service and the nuclear enrichment plants. If new computers were needed or routers or switches had to be replaced, Ashtari was the man to see, according to reports from semi-official Iranian news agencies and an account of Ashtari’s trial published by the nonprofit Iran Human Rights Voice.

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