[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$flxGg52yeeTS0jCjahReTkE_YGRyqvjaOAgaKss6oTEc":3},{"article":4,"iocs":45},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"full_text":11,"url":12,"image_url":13,"published_at":14,"ingested_at":15,"relevance_score":16,"entities":17,"category_id":27,"category":28,"article_tags":32},"cc7a3d84-b2e2-4c2a-b836-c849c56709b3","Hacker Claims to Leak Data on 389K People From French Valuation Firm Jestimo","hacker-claims-to-leak-data-on-389k-people-from-french-valuation-firm-jestimo-8e34fb","A threat actor using the alias ChimeraZ claims to have leaked the database of Jestimo (jestimo.com), a French real-estate valuation platform used by estate agents and rental managers.","A threat actor named ChimeraZ claims to have exfiltrated and leaked a database containing information on approximately 389,365 individuals from the French real-estate valuation platform Jestimo. The leaked data reportedly includes agent and contact names, email addresses, phone numbers, property addresses, and valuation amounts, totaling 168,706 records.","Hacker claims to leak data on 389K people from French valuation firm Jestimo.","Data389K people PriceFree leak CountryFrance ActorChimeraZ ▣Post details TargetJestimo (jestimo.com), real-estate valuation CountryFrance SectorReal Estate (valuation software) ClaimCustomer \u002F valuation database leaked Data168,706 records, ~389,365 people (285 MB) ObservedJun 11, 2026 PriceFree leak (reply-gated) ActorChimeraZ !Allegedly exposed 389,365 people \u002F 168,706 records (claimed) Agent & contact names Email addresses Phone numbers Property addresses Valuation \u002F estimation amounts Estate-agency details Valuation report contents ◱Screenshot Screenshot 1 Redacted preview ⚠Potential impact If genuine, a dataset of roughly 389,000 people tied to property addresses, valuation amounts, and agent and client contact details would be a useful resource for targeted real-estate scams, phishing of agents and property owners, and profiling of higher-value properties. The valuation figures and ownership context make fraudulent approaches more convincing. Most of the data is contact and property information rather than financial accounts or credentials, but the scale and targeting value are significant. Figures and authenticity are unconfirmed. iStatus Unverified Sample records and a file summary were posted to an underground forum, with downloads behind a reply gate; the sample records, contact details, and download links are not reproduced here. The claim has not been independently confirmed and Jestimo has not publicly addressed it. Want the non-redacted screenshots? Paid subscribers get all of the claim details and unredacted screenshots. Check out the threat feed or ransomware feed (whichever applies to this post), then after subscribing, search there for this alert to view the unredacted version. View pricing → DARK WEB INFORMER - THREAT INTELLIGENCE","https:\u002F\u002Fdarkwebinformer.com\u002Fhacker-claims-to-leak-data-on-389k-people-from-french-valuation-firm-jestimo\u002F","https:\u002F\u002Fstorage.ghost.io\u002Fc\u002F6b\u002F16\u002F6b16ac9c-cd67-432f-b0f3-bbec941084ff\u002Fcontent\u002Fimages\u002F2026\u002F06\u002F237895687926349867235987623948763.png","2026-06-11T16:29:36+00:00","2026-06-11T17:00:08.036+00:00",7,[18,21,24],{"name":19,"type":20},"ChimeraZ","threat_actor",{"name":22,"type":23},"Jestimo","vendor",{"name":25,"type":26},"jestimo.com","product","2e06f76c-d5b9-4f54-9eef-4d3447b10730",{"id":27,"icon":29,"name":30,"slug":31},null,"Breaches","breaches",[33,35,40],{"category":34},{"id":27,"icon":29,"name":30,"slug":31},{"category":36},{"id":37,"icon":29,"name":38,"slug":39},"614132b8-5837-4952-b8b5-c6c9a32a1d85","Privacy","privacy",{"category":41},{"id":42,"icon":29,"name":43,"slug":44},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[46],{"type":47,"value":25,"context":48},"domain","Targeted real-estate valuation platform"]