Mega Big

No reliable evidence was supplied that identifies "Mega Big" as a commercial brand, company, product platform, retailer, or trademarked offering. The only source provided (E1) is a Chinese financial news article about 韶能股份 (Shaoneng Group, stock code 000601), a Guangdong-based clean-energy and manufacturing company; that article contains no mention of "Mega Big" and therefore cannot be used to establish the identity, ownership, products, or history of this subject. Because the name could equally refer to a non-brand namesake (a place, an animal, a media title, or an informal phrase), no brand dossier can be responsibly written at this time. The entry is flagged for review so that a verifiable source — an official website, a company registry record, a trademark filing, or a Wikipedia brand-sense article — can be supplied before any factual claims are added.

• 2026

  Daiichi Kosho discloses supplier data breach potentially affecting about 8.72 million customers

  Daiichi Kosho, operator of the Big Echo karaoke chain, published a statement on October 8, 2026 disclosing an incident at Nippon Columbia Group (NCG), the entertainment group that handles customer information for the firm. According to NCG, a malware infection was discovered on an employee PC between October 1 and October 2, 2026, and the device was isolated from the network on October 2; NCG reported the scope of impact to Daiichi Kosho on October 5. Daiichi Kosho said approximately 8,724,000 customers who registered or made reservations at its stores may have had their names, genders, dates of birth, email addresses and telephone numbers leaked to external parties, and that it cannot rule out the possibility of a leak. About 5.6 million of those potentially affected are Big Echo customers and 3.5 million are DK Dining customers, with Mega Big, Banana Club, Karaoke Club Dam and B-Garage also affected. NCG has reset affected passwords and is investigating the cause and whether data was compromised, while Daiichi Kosho urged customers to watch for phishing attempts and opened a toll-free helpline.

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1. 1韶能股份前三季度归母净利预增61.12%至75.03%，北向资金持股创历史新高-财经-金融界finance.jrj.com.cn
2. 2Daiichi Kosho discloses supplier data breach potentially affecting about 8.72 million customersinfosecurity-magazine.com