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Attributed metadata history

REPORTPUBLIC METADATA

Issue 229: Incidents with DuoLingo and JumpCloud, FastAPI for APIs, and five best practices

This week, we have news of two API security incidents: the reported leakage of the data of 2.6 million DuoLingo users and an incident at JumpCloud that resulted in resetting customer API keys. For the technically minded, we have two guides: the first discusses how to use API keys in an ASP.Net Core application, and [...] Read More... The post Issue 229: Incidents with DuoLingo and JumpCloud, FastA

Reference details

Source category
Research & news
Report title
Issue 229: Incidents with DuoLingo and JumpCloud, FastAPI for APIs, and five best practices
First reported
Sep 21, 2023 16:09 UTC
Last reported
Sep 21, 2023 16:09 UTC
Catalog updated
Oct 08, 2026 03:40 UTC
Record ID
1fbe2504e56d2531e17e9da3a41c555abd8379d4e795f1541cf556a6b9ac1c58

Published indicators

Network indicators are visibly defanged. This page does not make them clickable or send them to another service.

No validated file hashes or network indicators are stored for this record.

Source observations

src_2b1c34b54ad35e15c5

Source-provided label
Not reported
Evidence class
mentioned in report
Confidence
Not reported
Observed
Sep 21, 2023 16:09 UTC
Retrieved
Oct 08, 2026 03:40 UTC

This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.

Feed collection status

Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.

1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.

Review source update dates and status
  • src_2b1c34b54ad35e15c5Collection status unverifiedLast successful batch: Unverified

Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.