US National Nuclear Security Administration breached via Microsoft SharePoint hack
SpilloverSpillover from the another organization incident · View original incident →The US National Nuclear Security Administration (NNSA), the agency that manages US nuclear weapons, was breached through a Microsoft SharePoint hack, raising national security concerns. The attack was attributed to China-based cyberattackers; the specific scale of the damage and the response have not been confirmed.
Key facts
- Affected organization
- National Nuclear Security Administration (NNSA)
- Original incident
- About 100 organizations breached in attacks exploiting SharePoint Server vulnerabilities
- Incident type
- Hacking & intrusion
- Occurred / detected
- Not confirmed
- Scale of damage
- Not confirmed
- Cause / method
- Microsoft SharePoint hack
- Location
- United States
Timeline
- The breach of the US National Nuclear Security Administration via a Microsoft SharePoint hack came to light, raising national security concerns.
- The attack on the US National Nuclear Security Administration was attributed to China-based cyberattackers, highlighting the importance of cyber hygiene.
Original incident
This is spillover from the another organization incident.
About 100 organizations breached in attacks exploiting SharePoint Server vulnerabilities
Impact: About 100 organizations breached
About 100 organizations were affected by attacks targeting vulnerabilities in Microsoft SharePoint Server. Following the US government, the energy sector and universities, a breach at the US agency that manages nuclear weapons also came to light. Microsoft and the US Cybersecurity and Infrastructure Security Agency (CISA) warned of attacks targeting on-premises SharePoint servers, and some of the attacks were linked to China-linked groups.
Related reports: 7 · last report →
2 related reports
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.