Verified65% confidenceFactTime unknown
OSINT (Open Source Intelligence) originated earliest in military and intelligence agencies, with the US CIA heavily relying on public media information to analyze Soviet dynamics during the Cold War.
3
Sources
65%
Confidence
Long-term
Relevance
6/3/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedOSINT (Open Source Intelligence) is an intelligence method that collects and analyzes information through legal, public channels, and is widely used in asset discovery, threat intelligence, and the reconnaissance phase of penetration testing.72% similarUnverifiedThe concept of defense-in-depth was formally introduced into the field of information security by the National Security Agency (NSA) in 200163% similarUnverifiedTEMPEST计划起源于二战后期发现信号放大器处理加密电报时产生可截获的电磁辐射,冷战期间由NSA系统化,相关文件直至1995年才部分解密63% similarUnverifiedA U.S. National Security Agency (NSA) program exposed in 2013 revealed that intelligence agencies had systematically implanted surveillance hardware in network devices during manufacturing.62% similarUnverifiedOSINT(开源情报)工具在网络安全领域被广泛用于攻击面管理(ASM)62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/38523API
curl https://kongchang.com/api/v1/knowledge/claims/38523MCP
get_claim(id=38523)