File size: 8,944 Bytes
6a7978f
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
{
  "seed": 12,
  "n_queries": 19335,
  "n_events": 9,
  "kpis": {
    "n_raw": 19335,
    "n_valid": 19335,
    "n_dropped": 0,
    "n_windows": 6139,
    "n_security_review": 20,
    "n_context": 67,
    "n_incomplete": 0,
    "parse_coverage": 1.0,
    "event_recall": 1.0,
    "host_window_precision": 0.5,
    "false_alarms_per_1k": 0.5089,
    "false_alarms_per_day": 0.1667,
    "mean_detect_delay_min": 0.0,
    "new_service_as_security": 0,
    "seconds": 10.726,
    "threshold": 3.0,
    "model_names": "robust+iforest+lightgbm",
    "psl_version": "lab-psl-2026-09-20"
  },
  "comparison": [
    {
      "method": "nxdomain_rate",
      "split": "development",
      "event_recall": 1.0,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 10.0,
      "n_security_alerts": 6,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "query_length",
      "split": "development",
      "event_recall": 0.5,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 4,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "robust_stats",
      "split": "development",
      "event_recall": 1.0,
      "host_window_precision": 0.16,
      "false_alarms_per_1k": 3.6601,
      "false_alarms_per_day": 1.3125,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 50,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 4,
      "parse_coverage": 1.0
    },
    {
      "method": "isolation_forest",
      "split": "development",
      "event_recall": 1.0,
      "host_window_precision": 0.0203,
      "false_alarms_per_1k": 33.6383,
      "false_alarms_per_day": 12.0625,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 394,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 4,
      "parse_coverage": 1.0
    },
    {
      "method": "lightgbm",
      "split": "development",
      "event_recall": 1.0,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 8,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "ariadns",
      "split": "development",
      "event_recall": 1.0,
      "host_window_precision": 0.6667,
      "false_alarms_per_1k": 0.3486,
      "false_alarms_per_day": 0.125,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 12,
      "n_context_alerts": 43,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "nxdomain_rate",
      "split": "test",
      "event_recall": 1.0,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 5.0,
      "n_security_alerts": 3,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "query_length",
      "split": "test",
      "event_recall": 0.5,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 2,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "robust_stats",
      "split": "test",
      "event_recall": 1.0,
      "host_window_precision": 0.1212,
      "false_alarms_per_1k": 3.6896,
      "false_alarms_per_day": 1.2083,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 33,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 4,
      "parse_coverage": 1.0
    },
    {
      "method": "isolation_forest",
      "split": "test",
      "event_recall": 1.0,
      "host_window_precision": 0.0148,
      "false_alarms_per_1k": 33.8422,
      "false_alarms_per_day": 11.0833,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 270,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 4,
      "parse_coverage": 1.0
    },
    {
      "method": "lightgbm",
      "split": "test",
      "event_recall": 1.0,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 4,
      "n_context_alerts": 0,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "ariadns",
      "split": "test",
      "event_recall": 1.0,
      "host_window_precision": 0.5,
      "false_alarms_per_1k": 0.5089,
      "false_alarms_per_day": 0.1667,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 8,
      "n_context_alerts": 24,
      "n_review_events": 2,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "nxdomain_rate",
      "split": "all",
      "event_recall": 1.0,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 7.5,
      "n_security_alerts": 9,
      "n_context_alerts": 0,
      "n_review_events": 4,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "query_length",
      "split": "all",
      "event_recall": 0.5,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 6,
      "n_context_alerts": 0,
      "n_review_events": 4,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "robust_stats",
      "split": "all",
      "event_recall": 1.0,
      "host_window_precision": 0.1446,
      "false_alarms_per_1k": 3.6721,
      "false_alarms_per_day": 1.2679,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 83,
      "n_context_alerts": 0,
      "n_review_events": 4,
      "new_service_as_security": 8,
      "parse_coverage": 1.0
    },
    {
      "method": "isolation_forest",
      "split": "all",
      "event_recall": 1.0,
      "host_window_precision": 0.0181,
      "false_alarms_per_1k": 33.7212,
      "false_alarms_per_day": 11.6429,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 664,
      "n_context_alerts": 0,
      "n_review_events": 4,
      "new_service_as_security": 8,
      "parse_coverage": 1.0
    },
    {
      "method": "lightgbm",
      "split": "all",
      "event_recall": 1.0,
      "host_window_precision": 1.0,
      "false_alarms_per_1k": 0.0,
      "false_alarms_per_day": 0.0,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 12,
      "n_context_alerts": 0,
      "n_review_events": 4,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    },
    {
      "method": "ariadns",
      "split": "all",
      "event_recall": 1.0,
      "host_window_precision": 0.6,
      "false_alarms_per_1k": 0.4138,
      "false_alarms_per_day": 0.1429,
      "mean_detect_delay_min": 0.0,
      "n_security_alerts": 20,
      "n_context_alerts": 67,
      "n_review_events": 4,
      "new_service_as_security": 0,
      "parse_coverage": 1.0
    }
  ],
  "calibration": [
    {
      "threshold": 1.5,
      "n_security_alerts": 8,
      "event_recall": 1.0,
      "false_alarms_per_1k": 0.5089
    },
    {
      "threshold": 2.0,
      "n_security_alerts": 8,
      "event_recall": 1.0,
      "false_alarms_per_1k": 0.5089
    },
    {
      "threshold": 2.5,
      "n_security_alerts": 8,
      "event_recall": 1.0,
      "false_alarms_per_1k": 0.5089
    },
    {
      "threshold": 3.0,
      "n_security_alerts": 8,
      "event_recall": 1.0,
      "false_alarms_per_1k": 0.5089
    },
    {
      "threshold": 3.5,
      "n_security_alerts": 8,
      "event_recall": 1.0,
      "false_alarms_per_1k": 0.5089
    },
    {
      "threshold": 4.0,
      "n_security_alerts": 7,
      "event_recall": 1.0,
      "false_alarms_per_1k": 0.3817
    },
    {
      "threshold": 5.0,
      "n_security_alerts": 4,
      "event_recall": 1.0,
      "false_alarms_per_1k": 0.0
    }
  ]
}