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Incident Analysis

The GitHub Dependabot Token Incident: Retrospective

In 2023, attackers used stolen GitHub personal access tokens to push malicious commits masquerading as Dependabot; a short-sharp incident with lasting lessons.

Mar 6, 20267 min read
Incident Analysis

Confluence Zero-Day Lessons: What CVE-2023-22515 Showed About SaaS-Adjacent On-Prem Risk

The Confluence broken access control zero-day from October 2023 hit thousands of self-hosted instances. A 2026 look at the exploit, the response, and the durable lessons.

Mar 5, 20265 min read
Incident Analysis

Change Healthcare Ransomware 2024: Deep Dive

The Change Healthcare ransomware attack knocked US healthcare payments offline for weeks. A missing MFA on a Citrix portal was the root cause United confirmed.

Mar 5, 20267 min read
Incident Analysis

CrowdStrike Falcon Global Outage: A Post-Mortem Deep Dive

A technical reconstruction of the July 19 CrowdStrike Falcon sensor crash that grounded 8.5M Windows hosts, and what supply chain owners should change.

Mar 5, 20265 min read
Incident Analysis

CrowdStrike Falcon Update Triggers Global IT Outage: What Happened

On July 19, 2024, a faulty CrowdStrike Falcon sensor update caused 8.5 million Windows machines to blue-screen worldwide, grounding flights, halting hospitals, and exposing the fragility of centralized security infrastructure.

Mar 4, 20266 min read
Incident Analysis

Dropbox 2022: The Supply Chain Angle

Dropbox's 2022 GitHub phishing incident began with a developer-targeted CircleCI lookalike campaign; the supply chain lessons centered on CI tokens and code.

Mar 4, 20266 min read
Incident Analysis

Microsoft Midnight Blizzard: Detailed Timeline

A reconstructed public timeline of Microsoft's Midnight Blizzard intrusion, from the initial password spray in November 2023 through the source code and federal agency disclosures.

Mar 2, 20267 min read
Incident Analysis

XZ Utils Backdoor: One Year Retrospective

A year after the XZ Utils backdoor was caught by Andres Freund at Microsoft, what did we fix, what did we ignore, and what still gets packaged into Linux distros?

Mar 1, 20267 min read
Incident Analysis

Snowflake Customer Data Breaches: 165 Organizations Hit by Credential Theft Campaign

Attackers used stolen credentials from infostealer malware to access Snowflake customer accounts without MFA, compromising data at Ticketmaster, Santander, AT&T, and over 160 other organizations.

Feb 28, 20265 min read

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