Biggest Data Breaches in US History (Updated 2024) | UpGuard
ID: 0e8e4ab4-feda-51d0-9af6-54b50c08dde3
STIX ID: report--0e8e4ab4-feda-51d0-9af6-54b50c08dde3
Feed Name: UpGuard Blog
Threat Score
This report enumerates 34 of the largest US-related cybersecurity incidents and data exposures, describing incident dates, impacted record volumes, exposed data types, attack vectors (misconfigured databases, API scraping, zero-day exploits, ransomware, third-party compromise), and consequences—ranging from multi-billion-record leaks and nation-state attributed Exchange exploits to high-impact ransomware outages that disrupted healthcare and education systems.
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