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https://github.com/dejan-teofilovic

https://github.com/dejan-teofilovic is a GitHub account that 2 published sources report in connection with IT Worker Fraud activity, which public reporting attributes to North Korea (DPRK). It is cited here from meow mfer (@meow_mfer) and Group-IB. The earliest of those reports is dated 2025-06-02 and the most recent 2026-04-08.

The reporting files it under the persona Dejan Teofilovic, 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.

github profile IT Worker Fraud MATCHED IN SOURCE removed checked 2026-09-30

Listed as dejan-teofilovic

First seen 2025-06-02 · last seen 2026-04-08

Sources

  • One post listing three names together with a single pool of addresses, phone numbers, accounts and portfolio sites, under the heading the researcher gives it. The post does not say which value belongs to which name, and it does not say the three are one operator, so only the values that name a person themselves are attributed. Everything else is recorded as a group. Independently, Group-IB's research on a reusable persona shell it tracks as cybersage14 names Dejan-Teofilovic as an identity that account shifted to, and the GitHub account under that name was already indexed from that report; this post is a second, separate citation for it.
    x.com/meow_mfer/status/1929659508428886218 — meow mfer (@meow_mfer) · under “Dejan Teofilovic” · published 2025-06-02 · pulled 2026-08-30

  • Nearby text:

    …master https://github.com/caddo229 https://github.com/caddoSmith229 https://github.com/chase-allen-tech https://github.com/cybersage14 https://github.com/Dejan-Teofilovic https://github.com/deterrionc https://github.com/devking877 https://github.com/fantasy1114 https://github.com/freshtinygrow-crypto htt…
    Cyber Saga: In the Footsteps of the DPRK IT Workers | Group-IB Blog — Group-IB · under “GitHub Indicators” · published 2026-04-08 · pulled 2026-08-30

Find this indicator in the index, or see every GitHub account this site holds under GitHub accounts in the browse listing.

Related indicators

Same persona record: Dejan Teofilovic

Other identifiers the reporting files under the same persona.

Cited by the same report: x.com/meow_mfer/status/1929659508428886218

meow mfer (@meow_mfer) lists 14 other indicators in this source. 6 are shown, chosen across types.

All 15 indicators from this source

Cited by the same report: Cyber Saga: In the Footsteps of the DPRK IT Workers | Group-IB Blog

Group-IB lists 105 other indicators in this source. 4 are shown, chosen across types.

All 106 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.