Supply chain attack

A supply chain attack is a cyber-attack that seeks to damage an organization by targeting less-secure elements in the supply network. A supply chain attack can occur in any industry, from the financial sector, oil industry or government sector.[1] Cybercriminals typically tamper with the manufacturing process of a product by installing a rootkit or hardware-based spying components.[2]

The recent Target security breach, Eastern European ATM malware, as well as the Stuxnet computer worm are examples of supply chain attacks.

Supply chain management experts recommend strict control of an institution's supply network in order to prevent potential damage from cybercriminals.[3]

Overview

A basic diagram of a supply chain network, which shows how goods are moved from the raw materials stage to being acquired by the end consumer.

A supply chain is a system of activities involved in handling, distributing, manufacturing and processing goods in order to move resources from a vendor into the hands of the final consumer. A supply chain is a complex network of interconnected players governed by supply and demand.[4]

Although supply chain attack is a broad term without a universally agreed upon definition,[5][6] in reference to cyber-security, a supply chain attack involves physically tampering with electronics (computers, ATMs, power systems, factory data networks) in order to install undetectable malware for the purpose of bringing harm to a player further down the supply chain network.[1][2][7]

In a more general sense a supply chain attack may not necessarily involve electronics. In 2010 when burglars gained access to the pharmaceutical giant Eli Lilly's supply warehouse, by drilling a hole in the roof and loading $80 million worth of prescription drugs into a truck, they could also have been said to carry out a supply chain attack.[8][9] However, this article will discuss cyber attacks on physical supply networks that rely on technology; hence, a supply chain attack is a method used by cyber-criminals.[10]

Attack framework

Generally, supply chain attacks on information systems begin with an advanced persistent threat that determines a member of the supply network with the weakest cyber security in order to affect the target organization.[10] According to an investigation produced by Verizon Enterprise, 92% of the cyber security incidents analyzed in their survey occurred among small firms.[11] According to Dell SecureWorks,[12] by targeting small firms with weak security system controls, highly sophisticated attackers are able to cause serious damage to an organizations’ financial assets and intellectual property through the following process:

  1. Choose a specific organization as the objective
  2. Attempt to gain a "foot-in-the door" through a vendor
  3. Use the compromised systems of the supplier to breach the target's data network
  4. Deploy additional tools that help fulfill the attack objective
  5. Self-delete malware in order to cover tracks to maintain access for future attacks

APT’s can often gain access to sensitive information by physically tampering with the production of the product.[13] In October 2008, European law-enforcement officials “uncovered a highly sophisticated credit-card fraud ring” that stole customer’s account details by using untraceable devices inserted into credit-card readers made in China to gain access to account information and make repeated bank withdrawals and Internet purchases, amounting to an estimated $100 million in losses.[14]

Risks

The threat of a supply chain attack pose a significant risk to modern day organizations and attacks are not solely limited to the information technology sector; supply chain attacks affect the oil industry, large retailers, the pharmaceutical sector and virtually any industry with a complex supply network.[1][7]

The Information Security Forum explains that the risk derived from supply chain attacks is due to information sharing with suppliers, it states that “sharing information with suppliers is essential for the supply chain to function, yet it also creates risk... information compromised in the supply chain can be just as damaging as that compromised from within the organization”.[15]

While Muhammad Ali Nasir of the National University of Emerging Sciences, associates the above-mentioned risk with the wider trend of globalization stating “…due to globalization, decentralization and outsourcing of supply chains, numbers of exposure points have also increased because of the greater number of entities involved and that too are scattered all around the globe… [a] cyber-attack on [a] supply chain is the most destructive way to damage many linked entities at once due to its ripple effect.”[16]

Poorly managed supply chain management systems can become significant hazards for cyber attacks, which can lead to a lose of sensitive customer information, disruption of the manufacturing process, and could damage a company's reputation.[17]

Recent examples

An image of a Target brick-and-mortar store, where a supply chain attack stole the financial information of 40 million customers between the 27th of November and 15th of December 2013.

Target

Further information: History of Target Corporation

At the end of 2013, Target, a US retailer, was hit by one of the largest data breaches in the history of the retail industry.[18]

Between November 27 and December 15, 2013, Target's American brick-and-mortars stores experienced a data hack. Around 40 million customers credit and debit cards became susceptible to fraud after malware was introduced into the POS system in over 1,800 stores.[18] The data breach of Target's customer information saw a direct impact on the company’s profit, which fell 46 percent in the fourth quarter of 2013.[19]

Six months prior the company began installing a $1.6 million cyber security system. Target had a team of security specialists to monitor its computers constantly. Nonetheless, the supply chain attack circumvented these security measures.[20]

It is believed that cyber criminals infiltrated a third party supplier to gain access to Target's main data network.[21] Although not officially confirmed,[22] investigation officials suspect that the hackers first broke into Target's network on November 15, 2013 using passcode credentials stolen from Fazio Mechanical Services, a Pennsylvania-based provider of HVAC systems.[23]

90 lawsuits have been filed against Target by customers for carelessness and compensatory damages. Target spent around $61 million responding to the breach, according to its fourth-quarter report to investors.[24]

Model of the Bushehr Nuclear Power Plant - in the Iranian pavilion of EXPO 2010 Shanghai

Stuxnet

Main article: Stuxnet

Believed to be an American-Israeli cyber weapon, Stuxnet is a malicious computer worm.[25] The worm specifically targets systems that automate electromechanical processes used to control machinery on factory assembly lines or equipment for separating nuclear material.

The computer worm is said to have been specifically developed in order to damage potential uranium enrichment programs by the Government of Iran; Kevin Hogan, Senior Director of Security Response at Symantec, reported that the majority of infected systems by the Stuxnet worm were in located in the Islamic Republic of Iran,[26] which has led to speculation that it may have been deliberately targeting "high-value infrastructure" in the country[27] including either the Bushehr Nuclear Power Plant or the Natanz nuclear power plant.[28]

Stuxnet is typically introduced into the supply network via an infected USB flash drive with persons with physical access to the system. The worm then travels across the cyber network, scanning software on computers controlling a programmable logic controller (PLC). Stuxnet introduces the infected rootkit onto the PLC modifying the codes and giving unexpected commands to the PLC while returning a loop of normal operation value feedback to the users.[29]

ATM Malware

In recent years malware known as Suceful, Plotus, Tyupkin and GreenDispense have affected Automated Teller Machines globally, especially in Russia and the Ukraine.[30] GreenDispenser specifically gives attackers the ability to walk up to an infected ATM system and remove its cash vault. When installed, GreenDispenser may display an ‘out of service’ message on the ATM, but attackers with the right access credentials can drain the ATM’s cash vault and remove the malware from the system using an untraceable delete process.[31]

The other types of malware usually behave in a similar fashion, capturing magnetic stripe data from the machine’s memory storage and instructing the machines to withdraw cash. The attacks require an person with insider access, such as an ATM technician or anyone else with a key to the machine, to place the malware on the ATM.[32]

The Tyupkin malware active in March 2014 on more than 50 ATMs at banking institutions in Eastern Europe, is believed to have also spread at the time to the U.S., India and China. The malware affects ATMs from major manufacturers running Microsoft Windows 32-bit operating systems. The malware displays information on how much money is available in every machine and allows an attacker to withdraw 40 notes from the selected cassette of each ATM.[33]

Prevention

Government

The Comprehensive National Cybersecurity Initiative and the Cyberspace Policy Review passed by the Bush and Obama administrations respectively, direct U.S. federal funding for development of multi-pronged approaches for global supply chain risk management.[34][35] According to Adrian Davis of the Technology Innovation Management Review, securing organizations from supply chain attacks begins with building cyber-resilient systems.[36] Supply chain resilience is, according to supply chain risk management expert Donal Walters, “the ability of the supply chain to cope with unexpected disturbances” and one of its characteristics is a company-wide recognition of where the supply chain is most susceptible to infiltration. Supply chain management plays a crucial role in creating effective supply chain resilience.[37]

In March 2015, under the Conservative and Liberal democratic government coalition, the UK Department for Business outlined new efforts to protect SMEs from cyber attacks, which included measures to improve supply chain resilience.[38]

The UK government has produced the Cyber Essentials Scheme, which trains firms for good practices to protect their supply chain and overall cyber security.[39]

Financial institutions

The Depository Trust and Clearing Group, an American post-trade company, in its operations has implemented governance for vulnerability management throughout its supply chain and looks at IT security along the entire development lifecycle; this includes where software was coded and hardware manufactured.[40]

In a 2014 PwC report, titled "Threat Smart: Building a Cyber Resilient Financial Institution", the financial services firm recommends the following approach to mitigating a cyber attack:

"To avoid potential damage to a financial institution’s bottom line, reputation, brand, and intellectual property, the executive team needs to take ownership of cyber risk. Specifically, they should collaborate up front to understand how the institution will defend against and respond to cyber risks, and what it will take to make their organization cyber resilient.[41]

Cyber security firms

FireEye, a US network security company that provides automated threat forensics and dynamic malware protection against advanced cyber threats, such as advanced persistent threats and spear phishing,[42] recommends firms to have certain principles in place to create resilience in their supply chain, which include having:

On April 27, 2015, Sergey Lozhkin, a Senior Security Researcher with GReAT at Kaspersky Lab, spoke about the importance of managing risk from targeted attacks and cyber-espionage campaigns, during a conference on cyber security he stated:

"Mitigation strategies for advanced threats should include security policies and education, network security, comprehensive system administration and specialized security solutions, like... software patching features, application control, whitelisting and a default deny mode."[44]

See also

References

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External links

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