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Supply Chain Security, in plain English.

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Articles

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Vulnerability Analysis

3CX (2023): The First Widely Documented Cascading Supply Chain Attack

A factual retrospective on the 2023 3CX desktop app compromise, notable because the attackers reached 3CX through a prior supply chain compromise of a different vendor, producing a chain of two linked attacks.

Sep 17, 20262 min read
Vulnerability Analysis

Codecov (2021): A Modified CI Script That Harvested Secrets for Two Months

A factual retrospective on the 2021 Codecov Bash Uploader compromise, where attackers modified a widely used CI script to exfiltrate environment variables, including credentials, from thousands of build pipelines.

Sep 17, 20262 min read
Vulnerability Analysis

event-stream (2018): When a Maintainer Handoff Became a Supply Chain Attack

A factual account of the 2018 event-stream npm compromise, in which a new maintainer added a malicious dependency targeting a specific cryptocurrency wallet, and what it revealed about maintainer-trust risk.

Sep 17, 20262 min read
Vulnerability Analysis

ProxyLogon (2021): The Exchange Server Vulnerabilities Behind the HAFNIUM Campaign

A factual retrospective on ProxyLogon (CVE-2021-26855 and related CVEs), a chain of Microsoft Exchange Server vulnerabilities exploited at scale in early 2021, compromising tens of thousands of organizations.

Sep 17, 20262 min read
Vulnerability Analysis

Colonial Pipeline (2021): A Single Compromised VPN Password

A factual retrospective on the May 2021 Colonial Pipeline ransomware attack, traced to a single compromised VPN account password with no multi-factor authentication, and its effect on U.S. critical infrastructure fuel supply.

Sep 17, 20262 min read
Vulnerability Analysis

Dependency Confusion (2021): How Public Package Registries Enabled Internal-Name Hijacking

A factual account of Alex Birsan’s 2021 dependency confusion research, which used public npm/PyPI/RubyGems packages matching internal company package names to execute code inside Apple, Microsoft, PayPal, and other major organizations.

Sep 17, 20262 min read
Vulnerability Analysis

Uber (2016): Hardcoded Credentials in a Private Repository

A factual retrospective on the 2016 Uber breach, where attackers used credentials found in a private GitHub repository to access an AWS account holding rider and driver data, and how it was later concealed.

Sep 17, 20262 min read
Vulnerability Analysis

British Airways (2018): A Magecart Web Skimming Attack

A factual retrospective on the 2018 British Airways breach, in which attackers injected a JavaScript card-skimming script into the airline's payment page, compromising roughly 380,000 transactions.

Sep 17, 20262 min read
Vulnerability Analysis

Capital One (2019): An SSRF Misconfiguration Breach in the Cloud

A factual retrospective on the 2019 Capital One breach, in which a server-side request forgery flaw against a misconfigured WAF allowed access to AWS metadata credentials and over 100 million customer records.

Sep 17, 20262 min read

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