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Supply Chain Security, in plain English.

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Articles

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Vulnerability Analysis

polyfill.io (2024): What Happens When a CDN Domain Changes Hands

A factual account of the 2024 polyfill.io incident, in which a widely embedded JavaScript CDN domain was acquired and began serving malicious code to a large number of websites.

Sep 17, 20262 min read
Vulnerability Analysis

Target (2013): How an HVAC Vendor Became the Path to 40 Million Cards

A factual retrospective on the 2013 Target breach, in which attackers used credentials stolen from a third-party refrigeration contractor to reach the retail network and deploy point-of-sale malware.

Sep 17, 20262 min read
Vulnerability Analysis

SQL Slammer (2003): 376 Bytes That Saturated the Internet in Minutes

A factual retrospective on the January 2003 SQL Slammer worm, which exploited a patched buffer overflow in Microsoft SQL Server and doubled in size every 8.5 seconds, disrupting internet infrastructure globally.

Sep 17, 20262 min read
Vulnerability Analysis

Spring4Shell (CVE-2022-22965): Class Loader Manipulation in Spring Framework

A factual look at Spring4Shell, the March 2022 remote code execution vulnerability in Spring Framework, including why its real-world impact was narrower than the initial Log4Shell comparisons suggested.

Sep 17, 20262 min read
Vulnerability Analysis

Stuxnet (2010): Four Zero-Days Aimed at Industrial Controllers

A factual retrospective on Stuxnet, the malware discovered in 2010 that targeted Siemens PLCs controlling uranium enrichment centrifuges, and why it reset expectations about targeted attacks on physical systems.

Sep 17, 20262 min read
Vulnerability Analysis

Spectre and Meltdown (2018): When the Vulnerability Was in the CPU

A factual explanation of the Spectre and Meltdown speculative execution side-channel vulnerabilities disclosed in January 2018, which affected processors from multiple vendors and could not be fully fixed in software.

Sep 17, 20262 min read
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

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