Verified65% confidenceEventExact time
In the 2015 U.S. Office of Personnel Management (OPM) data breach, personal information and security background investigation records of more than 21 million federal employees and their family members were stolen.
3
Sources
65%
Confidence
Long-term
Relevance
7/6/2026
First Seen
Sources
Hacked Again: The Root Causes of America's Government Cybersecurity Crisis — and the Way Forward
hackernewshackernews7/3/2026
Related Claims
UnverifiedThe U.S. intelligence community broadly believes that data leaked from the OPM was acquired by Chinese intelligence agencies.62% similarUnverifiedInternal documents referred to the data scraping activities as 'the largest theft of labor in human history.'62% similarUnverified2013年Target百货数据泄露事件中，攻击者通过一家暖通空调供应商的网络凭证渗透进入支付系统，导致4000万张信用卡信息被盗61% similarUnverifiedNetwork scanning discovered approximately 2,100 systems exposed to the public internet, distributed across approximately 300 organizations, leaking unique identifiers for more than 12,000 GPUs.61% similarUnverifiedIn 2023, Razer suffered a data breach in which the account information of tens of thousands of users was exposed.60% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/114879API
curl https://kongchang.com/api/v1/knowledge/claims/114879MCP
get_claim(id=114879)