People search National Security Agency data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 2 National Security Agency-linked incidents, with headline counts up to 1.5M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why National Security Agency breach history matters
National Security Agency operates in Government (Hong Kong). Across indexed rows, recurring themes include mixed intrusion and disclosure events. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2013 — — National Security Agency: Snowden downloaded up to 1, 1.5M records
Cataloged incident. Jun 2013. Snowden downloaded up to 1.5 million files, then flew to Hong Kong to meet journalists Glenn Greenwald and Laura Poitras before fleeing to Moscow. BreachHistory cites approximately 1.5M+ affected records in this row. See the national-security-agency2013 and canonical BreachHistory entry.
2010 — — National Security Agency: Snowden downloaded up to 1, 1.5M records
Cataloged incident. Snowden downloaded up to 1.5 million files, then flew to Hong Kong to meet journalists Glenn Greenwald and Laura Poitras before fleeing to Moscow. BreachHistory cites approximately 1.5M+ affected records in this row. See the national-security-agencyu and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple National Security Agency catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Bookmark the National Security Agency company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/national-security-agency · Latest: national-security-agency2013.
Sources: BreachHistory catalog (2 rows for National Security Agency), company and regulator disclosures cited in individual breach records.