PII Arena
PRESIDIO detector

presidio-ru PII detection benchmark

Measured on 2 of 41 retained datasets under the same frozen scoring and masking protocol.

47.63%fully hidden annotations
52.30%detected / overlapped
2.98%extra masking
CPU characters / second

Strengths

Highest complete-masking rates by normalized data type.

Phone numbers & email78.69%613 / 779
Network identifiers78.12%282 / 361
People's names73.39%1,092 / 1,488

Watch list

Lowest observed complete-masking rates; inspect before deployment.

Bank accounts & cards0.54%2 / 371
Passwords, keys & tokens9.47%9 / 95
Documents & identifiers28.53%760 / 2,664

Language coverage

The overall leader can differ from the best choice for one language slice.

LanguageDatasetsFully hidden ↑Detected ↑Extra masking ↓
Russian247.63%52.30%2.98%

Configuration, source and version

Family
PRESIDIO
Revision
presidio-analyzer 2.2.364, presidio-ru-recognizers 0.1.0, ru_core_news_sm 3.8.0
Eligible datasets
2 / 41
Character F1
0.594
Untouched diagnostic
47.70% · 3,426 / 7,183
Benchmark version
1.0.3 · 2026-09-09
CPU seconds / 10k chars
Not measured
GPU seconds / 10k chars
Not measured

Results by dataset

Complete masking is primary; detection shows whether any character overlapped.

DatasetGold annotationsFully hidden ↑Detected ↑Extra masking ↓
redmadrobot5,51641.70%45.14%3.35%
hivetrace1,66767.25%76.00%0.54%