Australia

medusa

Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing using double-extortion, with attacks surging 42% between 2023 and 2024 and a formal CISA advisory issued in early 2025.

First seen 2023-01-11 · Last seen 2026-02-13 · 14 Australia claims

Tactics: Initial Access, Execution, Persistence, Privilege Escalation, Stealth, Defense Evasion, Credential Access, Discovery, Lateral Movement, Exfiltration, Command and Control, Impact

CVEs named by the source: CVE-2024-57727

Cached from ransomware.live. 2026-09-19 PT. Leak sites are not linked.

Oscars Group

AU

Discovered: 2025-11-08 <span class="ransom-ago">(10mo ago)</span>

Oscars Group is a prominent hospitality collective in New South Wales, founded in 1986 by the Gravanis brothers. The group manages an…

oscarsgroup.com.au

Natures Organics

AU

Discovered: 2025-02-11 <span class="ransom-ago">(19mo ago)</span>

Natures Organics manufacturer of sustainable and eco-friendly food and personal care products. Natures Organics corporate office is…

naturesorganics.com.au

ARDEX Australia

AU

Discovered: 2025-01-29 <span class="ransom-ago">(19mo ago)</span>

ARDEX Australia - company offers engineering products and systems in areas such as: alignment of floor and adhesive, tiles and natural…

ardexaustralia.com

Compass Group (2nd attack)

AU

Discovered: 2024-09-19 <span class="ransom-ago">(24mo ago)</span>

Our affiliate entered this poor network this morning and messed the computers again! Company kiddy network administrators installed…

compass-group.com.au

Compass Group

AU

Discovered: 2024-09-18 <span class="ransom-ago">(24mo ago)</span>

Compass Group is Australia’s largest food and support services company driving. Compass Group Australia corporate office is located in…

compass-group.com.au

Royal Brighton Yacht Club

AU

Discovered: 2024-07-23 <span class="ransom-ago">(26mo ago)</span>

Royal Brighton Yacht Club is one of Australia's premier yacht clubs, offering a wide range of sailing events and activites year-round.…

rbyc.org.au

Harry Perkins Institute of medical research

AU

Discovered: 2024-07-07 <span class="ransom-ago">(26mo ago)</span>

The Harry Perkins Institute of medical research is a leading Western Australian medical research centre, dedicated to tackling some of…

perkins.org.au

North Coast Petroleum

AU

Discovered: 2024-06-27 <span class="ransom-ago">(27mo ago)</span>

North Coast Petroleum (founded 1999) provide reliable and efficient delivery of a range of petroleum and oil products throughout the…

ncp.com.au

Victoria Racing Club

AU

Discovered: 2024-06-14 <span class="ransom-ago">(27mo ago)</span>

The Victoria Racing Club was founded in 1864, from its foundation in 1864 until 2001, the Victoria Racing Club was the responsible…

vrc.net.au

Kadac Australia

AU

Discovered: 2024-02-12 <span class="ransom-ago">(31mo ago)</span>

Founded in 1973, Kadac is a supplier of organic, natural and health products serving the Asia-Pacific region. Kadac corporate office is…

kadac.com.au

CB Energy Australlia

AU

Discovered: 2023-08-14 <span class="ransom-ago">(37mo ago)</span>

CB Group Australia provide a broad range of services across the construction industry in project management, civil, electrical and…

Loreto Normanhurst

AU

Discovered: 2023-05-22 <span class="ransom-ago">(40mo ago)</span>

Loreto Normanhurst is an independent Catholic, primary and secondary day and boarding school for girls, located in Normanhurst, a suburb…

loretonh.nsw.edu.au

The Crown Princess Mary Cancer Centre

AU

Discovered: 2023-05-04 <span class="ransom-ago">(41mo ago)</span>

Westmead's service has been operating since 1994 at 75 Railway St, Mount Druitt, New South Wales, 2770, Australia and sees more than 500…

European Window

AU

Discovered: 2023-02-02 <span class="ransom-ago">(44mo ago)</span>

European Window Company is an Australian leader in the design and installation of high efficiency thermal break windows, doors and…