secwatch.observer — SEC 8-K summary
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Issuer:     MICROSOFT CORP (MSFT)
CIK:        0000789019
Form:       8-K/A
Filed at:   2024-03-08T23:59:59+00:00
Accession:  0001193125-24-062997
Event type: cyber
Sentiment:  negative
Materiality: 0.75
Item codes: 1.05, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Midnight Blizzard now accessing Microsoft source code; password sprays up 10x in Feb
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- Threat actor gained unauthorized access to some of Microsoft's source code repositories and internal systems.
- Password spray attacks increased 10-fold in February 2024 versus the already elevated January 2024 levels.
- No evidence of compromise to Microsoft-hosted customer-facing systems.
- Microsoft is notifying customers whose secrets were found in exfiltrated emails and assisting with mitigation.
- Incident has not yet had a material impact on operations; investigations ongoing.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/789019/000119312524062997/0001193125-24-062997-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/789019/000119312524062997/d808756d8ka.htm
  HTML page:      https://secwatch.observer/filing/0001193125-24-062997

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer