Cyber Incident Victim: Castorama
Date:
Jun 2016
Location:
France
Summary
A French home improvement retailer's website was compromised, resulting in manipulated search functionality that generated vulgar and anti-Semitic product suggestions. Searches for common tools like hammers and sanders returned explicit terms, while queries for showers or ovens produced offensive religious content. The company temporarily took its site offline, displaying an unavailable message, and characterized the incident as search manipulation rather than a full breach. Social media users documented the altered search results, which included satanic references alongside crude tool descriptions. The attackers likely exploited the site's search algorithm by flooding it with profane queries to influence autocomplete suggestions and result rankings.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 1 motive | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
On or around June 8, 2016, Castorama, a French home improvement retailer, experienced a website compromise affecting its search functionality. Attackers manipulated the site's search engine to return vulgar and offensive suggestions for common DIY tool queries. Searches for standard items like "sander" produced results such as "cock sander," while "hammer" yielded "bollock hammer." More severe anti-Semitic content appeared when users searched for terms like "showers" or "ovens." Evidence indicated deliberate manipulation of search algorithms, including a search for "clou" (nails) that returned a phrase referencing Satanic imagery. The company took its website offline within hours of the incident, replacing the homepage with a French message stating the site was unavailable and thanking visitors for their understanding.
Public awareness spread rapidly through social media, with Twitter users posting screenshots of the altered search results. One tweet mocked the situation by wishing luck to Castorama's support team, while another implied the attackers acted out of boredom. Castorama's official Twitter account acknowledged the disruption with a vague response. The company spokesperson confirmed the incident to media outlets but characterized it as "manipulation" rather than a full-scale hack, avoiding explicit confirmation of external intrusion. An industry expert theorized attackers may have seeded the site with repeated profane searches to influence suggestion algorithms. The incident temporarily disrupted online operations but did not appear to involve data theft or persistent system access. Public exposure was limited to search function manipulation, with no evidence of deeper network compromise or financial impacts disclosed in available reports.