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Supply Chain Security, in plain English.

Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.

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Incident Analysis

Lottie Player npm Supply Chain Attack Explained

A leaked maintainer token published three trojanized versions of @lottiefiles/lottie-player to npm, targeting wallet drains. Here is the mechanics.

Jan 19, 20267 min read
Incident Analysis

tj-actions/changed-files Compromise: What Happened

A March 2025 GitHub Action compromise rewrote every tagged version to leak secrets. Here is the timeline, attack chain, and what repos need to change.

Jan 14, 20267 min read
Incident Analysis

Ultralytics PyPI Compromise: Dec 2024 Post-Mortem

How a GitHub Actions cache poisoning attack pushed a crypto miner into Ultralytics 8.3.41 on PyPI, and what engineering teams should actually change.

Jan 9, 20267 min read
Incident Analysis

MGM Ransomware One Year Later: A Retrospective

A 2025 retrospective on the September 2023 MGM Resorts ransomware incident, what changed, what stalled, and how supply chain defenders should adjust.

Jul 11, 20254 min read
Incident Analysis

Salt Typhoon Telco Intrusion: What We Know

Salt Typhoon breached at least nine U.S. carriers, exposing lawful intercept systems. We unpack the attack chain and what telcos must fix in 2025.

Jan 14, 20254 min read
Incident Analysis

Zoom Incidents: Software Supply Chain Dimensions

Zoom's security history from 2020 onward reshaped how the industry thinks about conferencing software supply chains, from installers to third-party components.

Dec 28, 20247 min read
Incident Analysis

Mailchimp 2022-2023 Incidents: A Timeline

Mailchimp disclosed three social-engineering-driven intrusions in thirteen months; the timeline illustrates how repeated incidents shape vendor trust.

Nov 25, 20247 min read
Incident Analysis

Slack 2022-2023 Incidents: Operational Retrospective

Slack disclosed a stolen-token incident over the 2022 holidays and a related GitHub repository access event; the operational lessons apply broadly.

Oct 20, 20247 min read
Incident Analysis

LastPass 2022-2023: A Retrospective at Depth

A detailed walk through the two LastPass breaches of 2022 and their long 2023 tail, reconstructing how a developer laptop became a vault disclosure.

Sep 15, 20247 min read
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