{
  "slug": "bot-impersonation-interception",
  "no": 5,
  "title": "伪装知名AI爬虫UA的扫描拦截（区间制·周更）",
  "category": "security",
  "confidence_level": "B",
  "form_type": "realtime",
  "supply_cadence": "weekly",
  "updated_at": "2026-08-31",
  "review_date": "2026-09-07",
  "valid_until": null,
  "value_summary": "观察窗口内监测到多起伪装成知名AI爬虫UA的自动化扫描行为·安全防护层对伪装流量的拦截率处于93%~100%区间·被伪装的UA家族按聚合口径披露·不涉及任何具体攻击源与手法细节",
  "value_json": {
    "window": "2026-08-18 ~ 2026-08-24（增强版R1实测窗口·周更滚动）",
    "impersonation_requests_range": {
      "low": 600,
      "high": 700,
      "unit": "次/7天",
      "note": "区间制呈现·不发布精确计数"
    },
    "interception_rate_range": {
      "low_pct": 93,
      "high_pct": 100
    },
    "impersonated_family_categories": [
      "海外知名AI爬虫UA（按家族聚合·不点名具体家族）"
    ],
    "subject_note": "⚠️ 主语澄清：本条行为主体=伪装知名AI爬虫UA的扫描工具·非被伪装UA的官方平台——官方平台爬虫正常到访数据见爬虫构成条目"
  },
  "caliber_json": {
    "sample_size": "7天窗口·按UA家族聚合",
    "time_window": "2026-08-18至2026-08-24·后续按周滚动",
    "method": "AISD安全盾UA特征+行为特征双层识别·真伪归因（真平台爬虫读robots/sitemap/内容页全200·伪装UA扫描器探漏洞路径被403）",
    "limitations": "区间制数据精度有限（脱敏要求）；未被识别的伪装流量不计入；拦截率下限受观测窗口影响",
    "caliber_note": "口径=拦截区间与聚合统计·被伪装对象只写类别·真伪归因防误读"
  },
  "source_trace": [
    {
      "type": "internal",
      "desc": "基线台账·真伪爬虫鉴别维度"
    },
    {
      "type": "internal",
      "desc": "AISD安全盾拦截日志"
    }
  ],
  "snapshot_note": null,
  "disclaimer_block": [
    "本条为万有AI官网运营观察记录·仅反映标注监测窗口内本站实况·样本量与口径详见caliber_json·不构成任何性能、流量或服务承诺·引用请注明监测窗口与口径来源：万有AI"
  ],
  "copyright": "©万有创学（青岛）人工智能科技有限公司·CC BY-NC 4.0·引用请标注来源：万有AI"
}