When news broke that the password protecting the Louvre’s video surveillance system was simply “Louvre,” the story went global within hours. CNN, The Times, VICE, and ABC all covered the security failure as a punchline. Leroy Merlin and its agency BETC Paris, working with BETC Fullsix, saw something else: a free, ready-made promotional hook for the exact product category the brand needed to sell.
The Idea
Rather than mocking the museum like everyone else online, Leroy Merlin turned the leaked password directly into a discount code. Until November 12, 2025, entering “LOUVRE” at checkout on leroymerlin.fr gave customers 10% off a curated selection of around 100 home security cameras. Product pages for the eligible cameras carried a simple on-site message inviting shoppers to use the code at payment.
The campaign never named the museum directly in its own marketing copy, a deliberate choice that let the joke work entirely through public recognition while sidestepping any legal complication. The team conceptualised, approved, and launched the entire activation within 24 hours of the story breaking.
The Execution
There was no production budget and no paid media spend. The team relied on a single cryptic organic post on X and Instagram, built around a popular local meme, that hinted at the connection without spelling it out. That high-friction approach forced the audience to solve the reference themselves, which is precisely what turned passive amusement into active, intent-driven traffic toward the website.
The Results
The campaign generated between €150,000 and €200,000 in incremental sales within its first week and drove a 71% year-over-year increase in CCTV category revenue. It achieved this with zero production cost and zero media spend, relying entirely on cultural timing rather than paid distribution.
At Cannes Lions 2026, The Password Heist won a Silver Lion in Creative Commerce and a Bronze Lion in Social & Creator, with additional shortlists in PR and Brand Experience & Activation.
Why It Worked
The campaign is a clean demonstration of a single principle: when a piece of news already contains the exact product category a brand sells, the fastest and cheapest route to relevance is to let the news do the talking and simply hand people a reason to act on it. Leroy Merlin did not need to invent a joke about the Louvre. The Louvre had already written it. The brand only needed to be fast enough to attach a discount code to the punchline before the story moved on.
Campaign Name: The Password Heist
Agency Name: BETC Paris / BETC Fullsix
Brand Name: Leroy Merlin
Location: France
