Unverified50% confidenceFactExact time
IEC 62443等工控安全标准开始将SIS的网络隔离要求提升至最高安全完整性等级（SIL 3/4）
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
Taiganet与WS4000模拟器：工业控制系统的逆向重生
hackernewshackernews7/6/2026
Related Claims
UnverifiedIEC 61508 defines four Safety Integrity Levels from SIL 1 to SIL 4, with SIL 4 requiring a probability of dangerous failure per hour of less than 10⁻⁹ (one in a billion).70% similarUnverifiedThe safety interlock handling in AI-generated TIA Portal PLC programs must be specifically verified by qualified engineers, and safety standards such as IEC 62061 and ISO 13849 have explicit requirements for functional safety levels.65% similarUnverified企业级安全需配合网络微隔离、最小权限原则和完整操作审计日志，才能满足等保2.0、SOX合规或PCI-DSS等监管要求62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/204714API
curl https://kongchang.com/api/v1/knowledge/claims/204714MCP
get_claim(id=204714)