CSIDB logo
Incident

GitHub

Incident posture

Attack window
Jan 2014
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2026-07-17 04:02

Linked entities

Victim
GitHub
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Jan 2014
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

GitHub experienced a distributed denial-of-service attack causing intermittent service unavailability, with administrators actively mitigating the incident. The platform has faced repeated DDoS disruptions in the past, leading to refined response protocols that typically restore functionality efficiently, as evidenced by prior rapid recoveries. Real-time status updates were provided through dedicated communication channels during the outage.

Motives

Detailed motive labels are available to members.

2 motives

TTPs

Detailed technique labels are available to members.

1 technique

Description

On January 27, 2014, GitHub experienced a distributed denial-of-service (DDoS) attack that disrupted access to portions of its platform, rendering some services unresponsive for an unspecified period. The company confirmed the incident through its GitHub Status communications channel, stating it was actively working to mitigate the attack but did not disclose the attack’s origin, scale, or specific technical vectors. This disruption followed a pattern of prior DDoS incidents targeting the platform, including a similar attack on December 16, 2013, which had been resolved within approximately 25 minutes. While the 2014 event’s duration remained unspecified in available reporting, GitHub’s status updates indicated ongoing mitigation efforts without detailing the affected subsystems or geographic regions. The attack prevented users from accessing certain GitHub functionalities, though the platform’s operational history suggested administrators had developed effective response protocols due to recurring DDoS incidents.

GitHub directed users to monitor real-time status updates via its dedicated status.github.com webpage and the @GitHubStatus Twitter account, which served as primary channels for incident notifications during outages. The company did not release information regarding attack traffic volume, targeted infrastructure components, or collateral impacts beyond service unavailability. Historical context indicated GitHub’s operational teams had refined their DDoS mitigation strategies through repeated exposure to such attacks, though the 2014 incident underscored persistent vulnerabilities to large-scale network disruptions. No data breaches, unauthorized access, or secondary compromises were reported in connection with the event. Service restoration timelines and technical remediation steps were not publicly documented beyond confirmation of mitigation efforts, leaving the operational resolution sequence unclear from available sources.

Sources

Sources available to members: 1 source.

CSIDB