B002.004

Unsolicited verification code

Subtechnique in the Bait (B000) stage of the SC&MS ABCDEF lifecycle

Version 0.3 · ID stable since March 5, 2026 · Data snapshot: March 8, 2026

Description

An alert or notification of an unexpected one-time verification code.

Parent technique

This subtechnique refines B002 Account activity alert.

Other subtechniques of B002

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How to cite

Plain text:

Narang, S. S. (2026). Unsolicited verification code (B002.004), in SC&MS: Scam Classification & Mapping System (Version 0.3). https://scams.dev/techniques/B002.004/

BibTeX:

@misc{scms03_b002_004,
  author = {Narang, Satnam Singh},
  title = {{B002.004 Unsolicited verification code}, in SC\&MS: Scam Classification \& Mapping System},
  year = {2026},
  version = {0.3},
  url = {https://scams.dev/techniques/B002.004/},
  note = {A taxonomy for classifying scam techniques}
}