HackerRank

hackerrank.com

HackerRank declares 19 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. No published changes since we first read it on Sep 22, 2026.

Subprocessors CSV · Atom DORA draft CSV what's this? · 

19 third parties.

NamePurposeLocationListed since
100ms Video Infrastructure for InterviewsUS
Anthropic AIDeleted code analysis for suspicious word detection. .US
Assembly AI AISpeech to text transcriptionUS
AWS Cloud hosting platform; Facial image analysis via Amazon Rekognition for certain featuresUS
Fivetran Data infrastructure extraction, transforming, and loading within AWSUS
Google AIFacial image analysis via Google Gemini for integrity featuresUS
Google Gemini AIImage and object analysis to detect image liveness, multiple faces, foreign object detection.US
HighTouch Reverse data infrastructure extraction, transforming, and loading within AWSUS
Hubspot Transactional Email communicationUS
Linear Customer ticketing system for intake and assignment of support requestsUS
Livekit Agentic egress speech streamingUS
Looker Providing customers with insight reportingUS
Mailgun Sending invite Emails to CandidatesUS
OpenAI AIScreenshot analysis to identify suspicious applications in the screenshot.US
Pendo.io In-Product user guidance and analyticsUS
Postmark Sending invite and confirmation emails to candidates for assessments and interviewsUS
Pylon Customer support ticketing intake for requests from users and candidatesUS
Redis Open source in-memory data structure storage for data caching efficiencyUS
Zoom Video Conferencing for InterviewsUS

Web TechnologiesCSV · Atom

HackerRank's homepage made 183 requests to 5 domains, and 4 services controlled by another company.

Analytics (3): Cloudflare, Sherpa (Everest Labs, Inc.); usually detected as Analytics: WingifyUnclassified (1): no technology detected from them: Report URI Ltd

4 third parties by category: Analytics 3Unclassified 1

Third parties 4 · 5 requests
Report URI Ltd report-uri.com 1% of the page's requests 2
Cloudflare Cloudflare Browser Insights <1% of the page's requests 1
Sherpa (Everest Labs, Inc.) Sherpa Analytics <1% of the page's requests 1
Wingify visualwebsiteoptimizer.com <1% of the page's requests 1
First party 1 · 178 requests
HackerRank Cloudflare GSAP HSTS Open Graph Priority Hints 97% of the page's requests 178

2 tracked companies loaded by the homepage are not in HackerRank's subprocessor list. A website can use a service without it processing customer data.

Service statusCSV · Atom

Aug 15: no incident reportedAug 16: no incident reportedAug 17: no incident reportedAug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 21: no incident reportedAug 22: no incident reportedAug 23: no incident reportedAug 24: no incident reportedAug 25: no incident reportedAug 26: no incident reportedAug 27: no incident reportedAug 28: no incident reportedAug 29: no incident reportedAug 30: no incident reportedAug 31: no incident reportedSep 1: 1 incident (1 minor)Sep 2: no incident reportedSep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: no incident reportedSep 8: no incident reportedSep 9: no incident reportedSep 10: no incident reportedSep 11: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: no incident reportedSep 15: no incident reportedSep 16: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: no incident reportedSep 24: no incident reportedSep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: no incident reportedOct 1: no incident reportedOct 2: no incident reportedOct 3: no incident reportedOct 4: no incident reportedOct 5: no incident reportedOct 6: no incident reportedOct 7: no incident reportedOct 8: no incident reportedOct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: no incident reportedOct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: no incident reportedOct 21: no incident reportedOct 22: no incident reportedOct 23: no incident reportedOct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 27: no incident reportedOct 28: no incident reportedOct 29: no incident reportedOct 30: no incident reportedOct 31: no incident reportedNov 1: no incident reportedNov 2: no incident reportedNov 3: no incident reportedNov 4: no incident reportedNov 5: no incident reportedNov 6: no incident reportedNov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: no incident reportedNov 11: no incident reportedNov 12: no incident reported

90 days agotoday

  • 2 incidents in 90 days
  • 0 major or critical
  • 50 min typical time to resolve
BeganIncidentImpactLasted
Intermittent impact on Candidates attempting Project Based Questionsminor30 min
Increased error rates on AI Assistant for project based questionsminor50 min
Outage on HackerRank for Work platformmajorongoing
Outage on HackerRank for Work platformmajorongoing
Increased error rates in Interview management experiencemajor1 h 27 min
Degraded performance on candidate sitemajor2 h 30 min
Outage on HackerRank for work platformmajorongoing
Outage on HackerRank for Work platformmajor10 min

Incidents per month

0 2 4 Dec 2025: 1 incident (1 minor) · typical time to resolve 1 h 7 min Jan 2026: 0 incidents Feb 2026: 1 incident (1 no impact stated) · typical time to resolve 2 h Mar 2026: 1 incident (1 minor) · typical time to resolve 1 h Apr 2026: 3 incidents (3 major) · typical time to resolve 10 min May 2026: 0 incidents Jun 2026: 2 incidents (2 major) · typical time to resolve 2 h 30 min Jul 2026: 2 incidents (2 major) Aug 2026: 1 incident (1 minor) · typical time to resolve 50 min Sep 2026: 1 incident (1 minor) · typical time to resolve 30 min Oct 2026: 0 incidents Nov 2026: 0 incidents Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

Components affected

ComponentIncidents
Interviews Environment2
Tests Environment2

As HackerRank's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by HackerRank's subprocessorsCSV · Atom

89 reported incidents in the last 30 days, by 12 of the vendors HackerRank lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that HackerRank was involved.

DateCompanyIncidentImpactLasted
OpenAIUnable to start new Workspace Agent runs criticalongoing
OpenAIElevated errors affecting logins, sign-ups, and ChatGPT features minor8 min
LiveKitElevated timeouts on LiveKit Inference Gemma 4 31B on low-priority requests no impact stated—
PylonSlack Integration Connection Issues major3 h 13 min
LinearSlack integration degraded due to Slack outage minor3 h 9 min
AnthropicElevated errors on Fable 52 and Mythos 52 no impact stated1 min
ZoomService Degradation Affecting Zoom Conference Room Connector Services Endpoints in the AMS region. minor2 h 35 min
HubSpotSome HubSpot tools may be unavailable for some users no impact stated51 min
OpenAIIncorrect cost data in Costs API exports no impact stated2 h 20 min
ZoomService Degradation Affecting a subset of users with ZVA and ZoomMate no impact stated1 min
OpenAIElevated Errors On API minor42 min
OpenAIElevated ChatGPT Conversation Errors minor52 min
ZoomService Degradation Affecting Zoom Inbound SMS Service in the AU region minor1 h
OpenAIElevated errors with image generation minor1 h 49 min
AnthropicDegraded performance for Claude Fable 5.1 minor26 min
HightouchProcessing delay for subset of Events no impact stated—
OpenAIElevated error rates with some U.S. business Mastercards no impact stated3 days
ZoomService Degradation Affecting Zoom Mail, Calendar and Scheduler. minor1 h 37 min
PylonDelay in Analytics Data minor3 h 16 min
OpenAIChatGPT Work and Dots Errors minor13 h 6 min
PostmarkDelays in activity data no impact stated5 h 53 min
OpenAIElevated error rates across paid ChatGPT plans minor1 h 54 min
PylonInbound Email Delays minor1 h 17 min
PendoDegradation of Account and Visitor Reports critical1 h 11 min
PostmarkDelays processing Inbound messages no impact stated3 h 32 min

And 64 more. All of them: CSV · Who is around them.

ChangesCSV · Atom

See the list as we read it on any date: Time machine

None since tracking began.

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