Tom Callaghan

Tom Callaghan is an alias that one published source reports in connection with IT Worker Fraud activity, which public reporting attributes to North Korea (DPRK). It is cited here from Narcass3 (@Narcass3). The report is dated 2025-04-18.

The reporting files it under the persona Marko Nicovic, alongside 2 other identifiers attributed to the same identity. The persona page shows them together with any accounts, photographs and CV recorded under that name. A persona name is the one an account presented under, and may belong to an uninvolved person whose identity was taken.

alias IT Worker Fraud RESEARCHER POST

First seen 2025-04-18 · last seen 2025-04-18

Source

  • The post names one North Korean IT worker under three identities at once and carries no other detail in its text.
    x.com/narcass3/status/1913292910805516457 — Narcass3 (@Narcass3) · under “Marko Nicovic / Hua Min Fe / Tom Callaghan” · published 2025-04-18 · pulled 2026-08-30

Find this indicator in the index, or see every alias this site holds under Aliases in the browse listing.

Related indicators

Same persona record: Marko Nicovic

Other identifiers the reporting files under the same persona; 1 of 2 are shown.

All 2 on the Marko Nicovic page

Cited by the same report: x.com/narcass3/status/1913292910805516457

Narcass3 (@Narcass3) lists 2 other indicators in this source. 1 are shown, chosen across types.

All 3 indicators from this source

Disclaimer An entry here is not proof of DPRK affiliation or wrongdoing. A listed name, account or address may belong to an uninvolved person, so each entry is a lead to verify independently. What inclusion means. See the sourcing methodology.