EXPRESOKNA SP. Z O.O.
About the organisation
EXPRESOKNA SP. Z O.O. a Polish manufacturer and distributor specializing in window and door systems. Based in Siemianowice ΕlΔ skie, the company is known for its exceptionally fast turnaround times for PVC and aluminum products.
What the listing means
EXPRESOKNA SP. Z O.O. appeared on the Deadlock leak site on 10 July 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has published 75 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing EXPRESOKNA SP. Z O.O. as suspicious β leaked data gets weaponised for phishing within days.
- If you hold an account on expresokna.pl, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Business Services organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach β check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/RVhQUkVTT0tOQSBTUC4gWiBPLk8uQERlYWRsb2Nr
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
