Home All Victims mastercom.com.au

mastercom.com.au

incransom

This record tracks a ransomware attack claimed by the incransom group against mastercom.com.au. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Window Zero

EXPOSURE GAP

Window Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.

142days open
t1 · Published t2 · Pending
Apr 11, 2026Not disclosed yet
Country
Business Category
Telecommunications
Employees
0-50
Discovered
2026-04-11
Published
April 11, 2026
Disclosed / Notified
Not disclosed yet
Victim ID
OSrUiL2xDyxl

Attack Summary

Mastercom is raising the benchmark in Local Government communications in Sydney - building fast, secure and interoperable two way radio communication networks and infrastructure capable of bridging any terrain to enable field workers to be heard loud and clear anywhere, anytime. As a founding partner of The Orion Network we support a number of local government entities including: Newcastle City Council Maitland City Council Penrith City Council. Contact our Sydney two-way radio solutions team to find out more about our local government and emergency response solutions. Employees: 50 Revenue: $12.7 Million Industry: Telecommunications Phone Number: +61 288219588

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for mastercom.com.au — indexed by HaveIBeenRansom.
0
found in Infostealer logs
52+
found in Traditional breaches
6+
found in Ransomware leaks
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TheUnderground - Reborn · breach
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+ 10 more leak sources locked
Leak volumes are locked
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Visit Website Original Post View Group: incransom
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