Hana Cupid system breach may have exposed up to 4,238,242 member records
A breach of Japanese flower delivery service Hana Cupid's management system was found to have potentially exposed up to 4,238,242 member records. The information involved consisted of login IDs, encrypted passwords or password hashes, and email addresses; names, addresses and card numbers were not included. The company blocked the attack route and notified affected members.
Key facts
- Affected organization
- Hana Cupid
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Up to 4,238,242 member records
- Cause / method
- Unauthorized access to the management system
- Location
- Japan
If your data was exposed
Exposed dataUsernamePasswordEmail
- Change your password, and also change it on any other site where you use the same one. Turn on two-factor authentication if available.
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
Timeline
- The possible exposure of up to 4,238,242 member records, the blocking of the attack route and notifications to members were disclosed.
- It was explained that the information involved included login IDs, encrypted passwords and email addresses, but excluded names, addresses and card numbers.
- It was reported again that login IDs, password hashes and email addresses had been affected by the management system breach.
19 related reports
- 花キューピット株式会社情報漏洩・不正アクセス事案
- Toypo App Unauthorized Access (697,209 Users Affected, per Toypo): Phone Numbers, Names and Addresses Leaked, and What Store App Users Should Do
- Hana-cupid Member Data Breach (Up to 4,238,242 Records): User IDs, Encrypted Passwords and Email Addresses Leaked, and What Members Should Do
- Double Counter Discord bot data breach (about 28 million Discord IDs, 1 million emails): what leaked and what members and server admins should do
- University of Copenhagen data breach (about 525,000 people): names, CPR numbers, phone numbers and emails — what to do
- Sony Life Unauthorized Access Leaks Medicare Life Policy Data (About 385,000 Records): Names, Addresses, Policy Numbers and More, and What Policyholders and Insured Persons Should Do
- GETTIIS Member Data Breach (317,971 member IDs): What Leaked and What Members Should Do
- Photon Health data breach (analytics-tool flaw): names, addresses, phone numbers, dates of birth and prescription information — what affected patients should do
- Paradigm Healthcare Services Data Breach: Medi-Cal Member IDs and Birth Dates May Have Been Accessed, and What Members Should Do
- Club Tourism Unauthorized Access and Possible Personal Data Leak (About 4.32 Million Records): What Members With Names, Addresses, Phone Numbers and Emergency Contacts Should Do
- MyBRANDS Job Site Unauthorized Access and Possible Personal Data Leak (Up to About 135,000 Accounts): What Job Seekers and Employer Contacts With Names, Contact Details and Work History Should Do
- @cosme Breach: 3M Members' Data, What to Do | ITD
- 日産フィナンシャルサービスData breach / unauthorized access incident
- Unauthorized access at Iris Plaza (data on about 7.7 million people): names, addresses and encrypted passwords may have leaked — what members and shoppers should do
- 花キューピットに不正アクセス、423万8,242件の会員情報が漏えい
- Unauthorized access to Euglena's akyrise online store (up to about 900,000 records): names, addresses and phone numbers may have leaked — what buyers should do
- 「花キューピット」のECサイトで侵害 - 利用者メアドなど流出
- Unauthorized access to Sharefull's internal management system (up to about 7.5 million accounts): names, bank details, emergency contacts and more may have leaked — what workers should do
- Unauthorized access to Sumitomo Life's Vitality application system (about 80,000 people): names, addresses, phone numbers and partly masked card numbers leaked — what users should do
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.