Ransomware victim disclosure
← All victimsGraham + Sibbald
listed as g-s.co.uk · Claimed by blackbasta · listed 2 years ago
Status timeline
- Listed
Dec 4, 2024
- Data leaked
At a glance
- Group
- blackbasta
- Status
- Data leaked
- Country
- United Kingdom
- Listed on leak site
- Dec 4, 2024
- Data size
- 1.5 TB
- Records
- 4. Users
About the victim
AI dossier — public-source company profileGraham + Sibbald is a UK-leading property consultancy and chartered surveying firm offering commercial, residential, and construction services across the UK. They provide valuations, lease consultancy, building surveying, and asset management services with a nationwide office network.
- Industry
- Property Consultancy & Chartered Surveying
- Address
- 3 Charlotte Street, Perth, Perthshire, PH1 5LW, United Kingdom
Attack summary
Severity: critical — Confirmed exfiltration of 1.5 TB including employee and client PII, financial records, and sensitive corporate data for a large professional services firm. This represents regulated data at significant scale (employees, clients across multiple sectors including healthcare and NHS).BlackBasta claims to have exfiltrated approximately 1.5 TB of data from Graham + Sibbald, including personal documents of employees and clients, financial records, user data, and corporate information.
Data the group says was taken
AI dossier — extracted from the leak post- Employee personal documents
- Client personal documents
- Financial data
- User data
- Corporate data
What the group claims
Graham + Sibbald is one of the UK’s leading property consultancy services. Our success is built upon how we deliver our service; it is a unique combination of being both professional and personable. Graham + Sibbald has a long-standing history of supporting and delivering community benefits. This ranges from offering work placements/shadowing experiences for secondary school children across our office network, working in partnership with local schools by surveyor participation and attendance at career fairs/ STEM practical workshops to supporting Modern and Graduate Apprentices through our dedicated Career Programmes.SITE: www.g-s.co.uk Address : 3 Charlotte Street, Perth Perthshire, PH1 5LW United KingdomTEL#: +44 1738 445733ALL DATA SIZE: ≈1.5tb 1. Personal documents Employees 2. Personal documents Clients 3. Financial data 4. Users data 5. Another Corporate data & etc…
Sources
Source
Indexed 2 years agoThis page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.
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