Notable Supply Chain Security Incidents

  1. Introduction to Software Supply Chain Security
  2. Common Threats and Attacks on Software Supply Chains
  3. Notable Supply Chain Security Incidents
  4. Mitigating Risks in the Software Supply Chain
  5. Role of Open-Source Software in Supply Chain Security
  6. Securing Third-Party Integrations and Dependencies
  7. Implementing Software Bill of Materials (SBOM)
  8. Supply Chain Security in DevOps and CI/CD Environments
  9. Regulatory Frameworks and Standards for Software Supply Chain Security
  10. Collaborative Approaches to Supply Chain Security
  11. The Role of AI and Machine Learning in Supply Chain Security
  12. Future Trends in Software Supply Chain Security


The software supply chain has become an integral part of the modern software development and distribution process. However, it also presents a significant security risk, as it involves numerous stakeholders and interconnected dependencies. Over the years, there have been several high-profile supply chain security incidents that have had a profound impact on organizations and users alike. In this article, we will analyze some real-world examples of supply chain security breaches, their consequences, and the lessons we can learn from them.

1. SolarWinds Supply Chain Attack

In late 2020, one of the most notorious supply chain security incidents came to light when it was revealed that the IT management software company, SolarWinds, had fallen victim to a sophisticated cyberattack. Hackers compromised SolarWinds’ software development process and inserted a backdoor into their Orion platform, which was distributed to thousands of SolarWinds’ customers, including numerous government agencies and major corporations.

Impact on Organizations and Users

The SolarWinds attack had far-reaching consequences. The attackers gained access to sensitive data, communications, and intellectual property of the affected organizations. Government agencies like the U.S. Department of Defense, the Department of Justice, and major tech companies were among the victims. The incident severely damaged the reputation of SolarWinds, leading to lawsuits, financial losses, and loss of customer trust. It also raised concerns about the security practices of software vendors across various industries.

Lesson Learned

The SolarWinds attack highlighted the importance of rigorous security practices throughout the software development lifecycle. Organizations must implement measures to detect and prevent unauthorized access to their code repositories and distribution channels. Additionally, continuous monitoring and auditing are crucial to identifying anomalies and potential threats.

2. NotPetya Ransomware Attack

In 2017, the NotPetya ransomware attack wreaked havoc on numerous organizations worldwide. The attackers compromised the Ukrainian accounting software, MEDoc, and distributed a malicious software update containing the ransomware. As a result, thousands of organizations, including multinational corporations, financial institutions, and critical infrastructure providers, fell victim to the attack.

Impact on Organizations and Users

The NotPetya attack caused significant disruptions to the affected organizations’ operations. Many businesses faced complete shutdowns, leading to substantial financial losses. NotPetya encrypted critical files and systems, rendering them inaccessible, and demanded a ransom for decryption keys. However, even after paying the ransom, many organizations never regained access to their data. The incident exposed the vulnerability of interconnected supply chains and the potential cascading effects of supply chain attacks.

Lesson Learned

The NotPetya attack underscored the importance of supply chain risk management and the need for secure software distribution practices. Organizations must vet and verify software updates from trusted sources before deployment, and they should have robust data backup and disaster recovery strategies in place to mitigate the impact of ransomware attacks.

3. Codecov Breach

In April 2021, code testing platform Codecov disclosed a supply chain attack that lasted for months. Attackers gained unauthorized access to Codecov’s Bash Uploader script, used by numerous developers to test their code, and injected malicious code that collected sensitive credentials and other data from users’ continuous integration environments.

Impact on Organizations and Users

The Codecov breach put users at risk of having their credentials exposed, potentially leading to unauthorized access to their systems and data. The incident also highlighted the importance of securing the build and testing processes within the software supply chain. Many organizations that relied on Codecov’s services had to take urgent measures to assess the extent of the compromise and reset their credentials, causing operational disruptions and increased security costs.

Lesson Learned

The Codecov incident emphasized the need for robust authentication and access control mechanisms within the software supply chain. Developers and organizations must be vigilant about the security of third-party tools they use and regularly review their security practices to identify potential weaknesses.

4. ASUS ShadowHammer Attack

In 2019, the Taiwanese computer hardware manufacturer, ASUS, was hit by a sophisticated supply chain attack. Hackers compromised the ASUS Live Update utility, which is used to deliver software updates to ASUS computers. They inserted a malicious update that was distributed to a large number of ASUS users. The malware was designed to target a specific list of MAC addresses, indicating that the attackers were interested in a highly targeted attack.

Impact on Organizations and Users

The ASUS ShadowHammer attack affected hundreds of thousands of ASUS customers worldwide. The attackers had the potential to gain unauthorized access to users’ systems and data, and even launch more sophisticated attacks. This breach led to a significant loss of trust in ASUS products, and many customers were concerned about the security of their devices. ASUS had to issue a security advisory, urging users to update their software to mitigate the risk.

5. CCleaner Supply Chain Attack

In 2017, the popular system optimization tool, CCleaner, was compromised in a supply chain attack. Attackers managed to infiltrate the software’s build and distribution process, inserting a malicious payload into CCleaner updates. As a result, millions of users unknowingly downloaded and installed the infected version of CCleaner.

Impact on Organizations and Users

The CCleaner attack affected millions of users worldwide, including individuals and businesses. The malware allowed attackers to gather sensitive data from infected systems, such as login credentials and other personal information. The incident significantly damaged the reputation of CCleaner’s parent company, Avast, and raised concerns among users about the security of software updates from reputable sources.

6. Kaseya VSA Ransomware Attack

In July 2021, a supply chain ransomware attack hit Kaseya, a company that provides remote IT management software called VSA (Virtual System Administrator). The attackers exploited a vulnerability in the VSA software and used it to distribute ransomware to Kaseya’s managed service provider (MSP) customers. The attack affected numerous organizations worldwide.

Impact on Organizations and Users

The Kaseya VSA attack had severe consequences for organizations that relied on the MSPs using the VSA software. Many businesses were forced to shut down their operations temporarily while they dealt with the ransomware infection. The attackers demanded a large ransom for decryption keys, leaving organizations with difficult decisions to make. The incident also highlighted the potential risks of using third-party software in supply chain attacks.

7. Microsoft Exchange Server Vulnerability

In early 2021, it was discovered that attackers had been exploiting vulnerabilities in Microsoft Exchange Server. The attackers were able to gain access to email accounts and install web shells on compromised servers. The attack targeted organizations using on-premises versions of Microsoft Exchange Server.

Impact on Organizations and Users

The Microsoft Exchange Server vulnerability impacted tens of thousands of organizations worldwide. The attackers could access sensitive emails and other confidential information, posing significant risks to businesses and their clients. Microsoft had to issue emergency patches to fix the vulnerabilities, but the incident raised concerns about the security of on-premises software and the need for timely updates.


Software supply chain security incidents have become a significant concern for organizations and users alike. The examples discussed above demonstrate the devastating impact such breaches can have, ranging from financial losses and reputational damage to data breaches and operational disruptions. As the software supply chain continues to grow in complexity, it is crucial for organizations to adopt a proactive approach to security. Implementing rigorous security measures, continuous monitoring, and auditing processes can help mitigate the risks and enhance the overall resilience of the software supply chain, safeguarding both organizations and end-users from potential threats and attacks.