A Patch Tuesday reboot storm broke Skype's 'self-healing' P2P network for two days
One patch cycle rebooted millions of Windows PCs at once; a latent bug blocked Skype's peer-to-peer self-healing and the network stayed dark for two days.
Lire le casmistake.clubUNE ARCHIVE CASESTUDIES.CHAT
Apprenez des erreurs.
De préférence, celles des autres.
Échecs d’entreprises, décisions coûteuses et leçons à en tirer.
Toutes les archives, dans l’appLes articles sont disponibles en anglais et en chinois simplifié. Les titres et textes conservent leur langue de publication.
Cas publiés
2,000 CAS PUBLIÉS · MIS À JOUR RÉGULIÈREMENTI-ne bought a ¥1.8bn trademark from a firm its own president had helped found
The BOTANIST maker hid that its 2022 trademark seller was a president-linked entity; false explanations, deleted data and a broken listing oath followed.
Lire le casGoldman launched Apple Card with a broken disputes system — CFPB: $89M and a ban
Goldman launched Apple Card four days after its board heard the disputes system wasn't ready. The CFPB's answer: $89M in penalties, redress and a product ban.
Lire le casMG Mask led China's mask market at 26%. It stopped innovating and lost 90% of its sales.
L'Oréal paid HK$6.5B for China's 'King of Masks' at its peak. Four years later sales had fallen 90% and L'Oréal wrote down €213M. The brand had simply stopped.
Lire le casSmile's car-insurance face was convicted of drunk driving — the brand cut him on the spot
Zeki Bulgurcu fronted Smile's car insurance for five years; after a drunk-driving conviction, the insurer ended the partnership with immediate effect.
Lire le casPost-war cocoa was too expensive — so Ferrero used hazelnuts and created Nutella
After WWII, Ferrero couldn't afford enough cocoa. He mixed it with local hazelnuts. The spread became a global phenomenon sold in 75 countries.
Lire le casSocial Text published a hoax paper — and exposed the cost of peer review without rigor
Physicist Alan Sokal submitted a nonsensical paper to Social Text. It was published. The hoax exposed the cost of ideological gatekeeping in peer review.
Lire le casIPSA's custom China store died in 10 weeks — then Shiseido gutted the counters
Shiseido's IPSA opened its first China custom store in December 2023, closed it in February, then gutted its counter network.
Lire le casOxagon: NEOM's 'world's largest floating structure' still hasn't floated, five years on
NEOM's 2021 Oxagon was an octagon half-floating on the Red Sea; by 2026 the floating half had no procurement and oversight was set to move to Aramco.
Lire le casNASA's Constellation program: $9bn spent, canceled before anyone flew
A crew capsule and two rockets to return to the moon, begun in 2005. GAO found no sound business case; the FY2011 budget canceled it with $9bn spent.
Lire le casLeaked CERC order lets eight traders take ₹173 crore off IEX before the stock crashes
SEBI impounded ₹173.14 crore in illegal gains after trades in IEX put options preceded a market-coupling shock.
Lire le casTwo videos cost Ja Morant 33 games and put his signature shoe in storage
After a second gun video, Nike pulled Morant's Ja 1 a week before launch, Powerade paused its deal, and the NBA suspended him 25 games — about $7.5 million.
Lire le casJames Webb Space Telescope: the $1.6bn telescope that cost $9.7bn and ran a decade late
NASA sold its flagship telescope on an early date and a low number, then spent two decades replanning as new technology refused to mature on schedule.
Lire le casJordan's $2.1bn Attarat oil shale plant ran into ICC arbitration over its tariff
Signed in 2014 and undercut that year by $15bn of cheaper Israeli gas, the $2.1bn plant was set to cost Jordan $280m a year — and ended in ICC arbitration.
Lire le casKagawa builders rigged 90% of prefecture tenders for 3 years — JFTC fined 27 firms ¥442M
Twenty-nine contractors split Kagawa's civil-works bids by territory for three years; the JFTC ordered ¥441.77M in surcharges and 20 exclusion orders.
Lire le casJD.com charged its PLUS members more — the loyalty program that penalised loyalty
JD's PLUS members discovered they paid ¥247 more for the same phone than non-members, triggering a 'big data price discrimination' backlash
Lire le casDeyaar's CEO took Dh30m in bribes to approve tower contracts — 15 years in jail
Deyaar's boss approved Dh202m of construction contracts for a firm that paid him; a court sentenced him to 15 years and ordered Dh28.6m repaid
Lire le casGoogle Project Ara: the modular phone for 'six billion' that never shipped
Google's hot-swappable modular smartphone promised a $50 phone for the whole world, then died on September 2, 2016 — three years in, with no device ever sold.
Lire le casNatural History Museum: The Piltdown Man 'missing link' forgery fooled science for 41 years
In 1912 an amateur archaeologist unveiled 'Piltdown Man,' hailed as the missing link between apes and humans. It was a planted forgery — exposed only in 1953.
Lire le casHomeplus was one of Korea's biggest hypermarkets — the court just scrapped its rescue plan
MBK's leveraged buyout left it debt-laden; a March 2025 rehabilitation filing bought time. In July 2026 the court found no funding plan and no buyer.
Lire le cas