TERM

Overfitting

an undesirable machine learning behavior that occurs when the machine learning model gives accurate predictions for training data but not for new data

Updated

Jan 06, 2026

Senses

Sense 1

an undesirable machine learning behavior that occurs when the machine learning model gives accurate predictions for training data but not for new data

NICCS (CISA) Cybersecurity Vocabulary

Bibliography

NICCS (CISA) Cybersecurity Vocabulary
Accessed Jan 06, 2026Quoted
NICCS glossary export (CSV)
https://niccs.cisa.gov/rest/vocab/export-csv
NICCS is a CISA (DHS) program. Individual glossary entries include a "From" attribution (e.g., CNSSI 4009, NIST SPs, NICE Framework). Treat "From" values as upstream provenance and verify before quoting large portions of text.
Source: NICCS (CISA) Cybersecurity Vocabulary (niccs.cisa.gov).