Guide · 3 articles
Supply Chain Cybersecurity: Securing Vendors and Third-Party Risk
Supply chain cybersecurity manages the security risks introduced by vendors, open-source dependencies, SaaS platforms, and service providers. High-profile attacks like SolarWinds and Log4Shell demonstrated that compromising a single trusted component can affect thousands of downstream organisations.

Andreas Johansson · Chief Executive Officer
Senior IT management leader with 25 years of experience in Cloud, Security, and Datacenter infrastructure.
Why Supply Chain Security Matters
Modern organizations depend on hundreds of vendors, open-source libraries, SaaS platforms, and service providers. Each one is a potential entry point for attackers. Supply chain attacks exploit trust relationships — compromising a vendor to reach their customers at scale.
High-profile incidents like SolarWinds, Kaseya, and Log4Shell demonstrated that a single compromised dependency can affect thousands of organizations simultaneously.
The Attack Surface
Supply chain risk spans multiple layers:
- Software dependencies (open-source libraries, SDKs, build tools)
- Managed service providers (MSPs, IT outsourcing)
- SaaS platforms (cloud tools with API access to your data)
- Hardware and firmware (pre-installed backdoors, tampered devices)
- Contractor and consultant access (temporary credentials, VPN access)
Software Supply Chain Attacks
Software supply chain attacks inject malicious code into trusted components — package managers, build pipelines, update mechanisms. Software supply chain attacks explains the most common techniques and real-world examples.
Third-Party Risk Management
Managing vendor risk requires a structured program: identification, assessment, continuous monitoring, and contractual controls. Third-party cybersecurity risk management provides the framework.
Vendor Security Assessments
Before onboarding a vendor — and periodically after — organizations need to evaluate their security posture. Vendor security assessments explained covers questionnaires, certifications, and what to actually look for.
SBOM: Knowing What You Run
A Software Bill of Materials (SBOM) is an inventory of every component in your software. SBOM explained covers why SBOMs matter, formats, and how they support vulnerability management.
Real-World Supply Chain Attacks
Understanding past attacks helps teams build better defenses. Supply chain attack examples analyzes major incidents and the lessons learned.
Best Practices
Effective supply chain security combines process, technology, and governance. Best practices for vendor risk management provides actionable steps for organizations of all sizes.
How SeqOps fits
SeqOps finds known vulnerabilities in the software installed on your servers, including third-party components, and shows which to patch first. It doesn't assess your vendors.