`Josh Mack`

Josh Mack 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 Cookie Connoisseur (@browsercookies). The report is dated 2025-04-21.

The reporting files it under the persona Josh Mack, alongside 3 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 2025-04-21 · last seen 2025-04-21

Source

The post asserts one identity outright, that Josh Mack and the GitHub account rossryuli are the same. The rest it states as links rather than equivalences: Kanbei is linked to mjoshalchi@gmail.com, and that address to rossryuli. The IP address is given as Russian and appears in the post immediately after the rossryuli line. The researcher writes the address without a top-level domain, as mjoshalchi[@]gmail.
x.com/browsercookies/status/1914447750445588965 — Cookie Connoisseur (@browsercookies) · under “Josh Mack / Rossryuli” · published 2025-04-21 · pulled 2026-08-30

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Related indicators

Same persona record: Josh Mack

Other identifiers the reporting files under the same persona; 2 of 3 are shown.

All 3 on the Josh Mack page

Cited by the same report: x.com/browsercookies/status/1914447750445588965

Cookie Connoisseur (@browsercookies) lists 3 other indicators in this source. 1 are shown, chosen across types.

All 4 indicators from this source