Global Shipping Exposed to Cyber Threats

Posted by Eric Haun
Wednesday, April 23, 2014

The next hacker playground: the open seas - and the oil tankers and container vessels that ship 90 percent of the goods moved around the planet.

In this internet age, as more devices are hooked up online, so they become more vulnerable to attack. As industries like maritime and energy connect ships, containers and rigs to computer networks, they expose weaknesses that hackers can exploit.

Hackers recently shut down a floating oil rig by tilting it, while another rig was so riddled with computer malware that it took 19 days to make it seaworthy again; Somali pirates help choose their targets by viewing navigational data online, prompting ships to either turn off their navigational devices, or fake the data so it looks like they're somewhere else; and hackers infiltrated computers connected to the Belgian port of Antwerp, located specific containers, made off with their smuggled drugs and deleted the records.

While data on the extent of the maritime industry's exposure to cyber crime is hard to come by, a study of the related energy sector by insurance brokers Willis this month found that the industry "may be sitting on an uninsured time bomb".

Globally, it estimated that cyber attacks against oil and gas infrastructure will cost energy companies close to $1.9 billion by 2018. The British government reckons cyber attacks already cost UK oil and gas companies around 400 million pounds ($672 million) a year.

In the maritime industry, the number of known cases is low as attacks often remain invisible to the company, or businesses don't want to report them for fear of alarming investors, regulators or insurers, security experts say.

There are few reports that hackers have compromised maritime cyber security. But researchers say they have discovered significant holes in the three key technologies sailors use to navigate: GPS, marine Automatic Identification System (AIS), and a system for viewing digital nautical charts called Electronic Chart Display and Information System (ECDIS).

"Increasingly, the maritime domain and energy sector has turned to technology to improve production, cost and reduce delivery schedules," a NATO-accredited think-tank wrote in a recent report. "These technological changes have opened the door to emerging threats and vulnerabilities as equipment has become accessible to outside entities."

Tip of the Iceberg
As crews get smaller and ships get bigger, they increasingly rely on automation and remote monitoring, meaning key components, including navigational systems, can be hacked.

A recent study by security company Rapid7 found more than 100,000 devices - from traffic signal equipment to oil and gas monitors - were connected to the internet using serial ports with poor security. "The lines get blurry, and all industries and all technologies need to focus more on security," said Mark Schloesser, one of the authors of the study.

Mark Gazit, CEO of ThetaRay, an internet security company, said an attacker managed to tilt a floating oil rig to one side off the coast of Africa, forcing it to shut down. It took a week to identify the cause and fix, he said, mainly because there were no cyber security professionals aboard. He declined to say more.

Lars Jensen, founder of CyberKeel, a maritime cyber security firm, said ships often switch off their AIS systems when passing through waters where Somali pirates are known to operate, or fake the data to make it seem they're somewhere else.

Shipping companies contacted by Reuters generally played down the potential threat from hackers. "Our only concern at this stage is the possible access to this information by pirates, and we have established appropriate countermeasures to handle this threat," said Ong Choo Kiat, president of U-Ming Marine Transport, Taiwan's second-largest listed shipping firm by market value. The company owns and operates 53 dry cargo ships and oil tankers.

A study last year by the Brookings Institution of six U.S. ports found that only one had conducted an assessment of how vulnerable it was to a cyber attack, and none had developed any plan to response to any such attack. Of some $2.6 billion allocated to a federal program to beef up port security, less than 1 percent had been awarded for cyber security projects.

When CyberKeel probed the online defences of the world's 20 largest container carriers this year it found 16 had serious security gaps. "When you look at the maritime industry there's extremely limited evidence of systems having been breached" compared to other sectors, said CyberKeel's Jensen. "That suggests to us that they've not yet been found out."

Michael Van Gemert, a security consultant to the oil and gas industry, said that on visits to rigs and ships he has found computers and control systems riddled with viruses. In one case, he said it took 19 days to rid a drilling rig en route from South Korea to Brazil of malware which had brought the vessel's systems to a standstill.

"The industry is massively in need of help, they have no idea what the risks are," he said.

The main ship navigation systems - GPS, AIS and ECDIS - are standards supported by bodies such as the International Maritime Organisation (IMO). Indeed, that body has made AIS and ECDIS mandatory on larger commercial and passenger vessels.

Researchers from the University of Texas demonstrated last July that it was possible to change a ship's direction by faking a GPS signal to dupe its onboard navigation system.

Marco Balduzzi and colleagues at anti-virus vendor Trend Micro last month showed that an attacker with a $100 VHF radio could exploit weaknesses in AIS - which transmits data such as a vessel's identity, type, position, heading and speed to shore stations and other ships - and tamper with the data, impersonate a port authority's communications with a ship or effectively shut down communications between ships and with ports.

In January, a British cyber security research firm, NCC Group, found flaws in one vendor's ECDIS software that would allow an attacker to access and modify files, including charts. "If exploited in a real scenario," the company concluded, "these vulnerabilities could cause serious environmental and financial damage, and even loss of life."

When the USS Guardian ran aground off the Philippines last year, the U.S. Navy in part blamed incorrect digital charts. A NATO-accredited think-tank said the case illustrated "the dangers of exclusive reliance upon electronic systems, particularly if they are found vulnerable to cyber attack."

"Most of these technologies were developed when bandwidth was very expensive or the internet didn't exist," said Vincent Berk, CEO of security company FlowTraq.

No Quick Fix
Fixing this will take time, and a change in attitude.

"Security and attack scenarios against these technologies and protocols have been ignored for quite some time in the maritime industry," said Rapid7's Schloesser.

Researchers like Fotios Katsilieris have offered ways to measure whether AIS data is being faked, though he declined to be interviewed, saying it remained a sensitive area. One Google researcher who has proposed changes to the AIS protocol wrote on his blog that he had been discouraged by the U.S. Coastguard from talking publicly about its vulnerabilities.

Indeed, AIS is abused within the industry itself.

Windward, an Israeli firm that collects and analyses AIS data, found 100 ships transmitting incorrect locations via AIS in one day - often for security or financial reasons, such as fishing boats operating outside assigned waters, or smuggling.

In a U.N. report issued earlier this year on alleged efforts by North Korea to procure nuclear weapons, investigators wrote that one ship carrying concealed cargo turned off its AIS signals to disguise and conceal its trip to Cuba.

It's not clear how seriously the standards bodies treat the threat. Trend Micro's Balduzzi said he and his colleagues were working with standards organisations, which he said would meet next year to discuss his research into AIS vulnerabilities.

The core standard is maintained by the International Telecommunications Union (ITU) in association with the IMO. In a statement, the IMO said no such report of vulnerabilities had been brought to its attention. The ITU said no official body had contacted it about the vulnerabilities of AIS. It said it was studying the possibility of reallocating spectrum to reduce saturation of AIS applications.

Yevgen Dyryavyy, author of the NCC report on ECDIS, was sceptical that such bodies would solve the problems soon.

First, he said, they have to understand the IT security of shipboard networks, onboard linked equipment and software, and then push out new guidelines and certification.

Until then, he said, "nothing will be done about it."

($1 = 0.5949 British Pounds)

(By Jeremy Wagstaff; Additional reporting by Keith Wallis; Editing by Ian Geoghegan)

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