Supply-chain attacks compromise trusted vendors or dependencies, potentially reaching downstream systems; verify provenance and limit access before deployment.
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Background for this topic.
Supply chain is the network of suppliers, software developers, service providers, components, and processes used to build and deliver an organization’s products or services. In a security threat model, it extends the trust boundary beyond the organization: a compromised supplier account, build system, software dependency, update mechanism, or hardware component can introduce malicious code, expose credentials, or undermine systems used by many customers.
Effective protection starts with mapping critical suppliers, dependencies, data flows, and access, then applying risk-based due diligence and least-privilege, segmented access. For software, maintain an inventory such as a software bill of materials, verify signed artifacts and update provenance where feasible, and monitor dependencies for vulnerabilities or unexpected changes. Contracts and technical controls should support timely notification and investigation. Response plans should cover revoking supplier access, isolating affected versions or integrations, determining exposure, and coordinating remediation with the provider.
The supply chain attack involving the GitHub Action "tj-actions/changed-files" started as a highly-targeted attack against one of Coinbase's open-source projects, before evolving into something more widespread in scope
Researchers have determined that Coinbase was the primary target in a recent GitHub Actions cascading supply chain attack that compromised secrets in hundreds of repositories. [...]
The compromise of GitHub Action tj-actions/changed-files has impacted only a small percentage of the 23,000 projects using it, with it estimated that only 218 repositories exposed secrets due to the supply chain attack. [...]
How to avoid another SolarWinds, Log4j, and XZ Utils situation Organizations concerned about software supply chain attacks should focus on role-based access control, system monitoring, and boundary protection, according to a new preprint paper on the topic.…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog
A cascading supply chain attack that began with the compromise of the "reviewdog/action-setup@v1" GitHub Action is believed to have led to the recent breach of "tj-actions/changed-files" that leaked CI/CD secrets. [...]
Malicious Code Injected in reviewdog Just Hours Before tj-actions BackdooredJust days after researchers discovered an attack that subverted a widely used tool for software development platform GitHub, they discovered a second, prior attack, as part of what one expert said may be "a chain of supply chain attacks eventually leading to a specific high-value target."
Cybersecurity researchers have disclosed details of a new supply chain attack vector dubbed Rules File Backdoor that affects artificial intelligence (AI)-powered code editors like GitHub Copilot and Cursor, causing them to inject malicious code
Ad giant's cloudy arm to pay $30B in security shop deal Wiz security researchers think they've found the root cause of the GitHub supply chain attack that unfolded over the weekend, and they say that a separate attack may have been to blame.…
Bitsight reveals that UK companies are more exposed to cyber risk than global peers via their digital supply chains
Over 23,000 Code Repositories at Risk After Malicious Code Added to GitHub ActionAttackers subverted a widely used tool for software development environment GitHub, potentially allowing them to steal secrets from thousands of private code repositories as well as compromise other, widely used "open source libraries, binaries and artifacts" that use the tool, experts warned.
A supply chain attack on the widely used 'tj-actions/changed-files' GitHub Action, used by 23,000 repositories, potentially allowed threat actors to steal CI/CD secrets from GitHub Actions build logs. [...]
Large organizations among those cleaning up the mess It's not such a happy Monday for defenders wiping the sleep from their eyes only to deal with the latest supply chain attack.…
From sophisticated nation-state campaigns to stealthy malware lurking in unexpected places, this week’s cybersecurity landscape is a reminder that attackers are always evolving. Advanced threat groups are exploiting outdated hardware, abusing legitimate tools for financial fraud, and finding new ways to bypass security defenses. Meanwhile, supply chain threats are on the rise, with open-source
Researchers warn that popular open source software package tj-actions has been compromised