Possible exposure of the first seven digits of resident registration numbers, addresses, and phone numbers
The Korea Federation of SMEs: "We will take all necessary measures"

'1.92 Million Members Enrolled' Yellow Umbrella Faces Potential Personal Information Breach View original image

The possibility of a personal information breach affecting Yellow Umbrella, which has 1.92 million enrolled members, has been raised.


The Korea Federation of SMEs said on the 14th in a post titled “Potential Personal Information Leak and Security Incident” on the Yellow Umbrella website, “We detected abnormal external access to the Yellow Umbrella website and, in the process, identified signs suggesting that a third party may have accessed the personal information of some Yellow Umbrella customers.”


The incident occurred on November 11. The personal information that may have been exposed includes names, the first seven digits of resident registration numbers, mobile phone numbers, home addresses, home phone numbers, email addresses, and whether individuals consented to receiving text messages and emails.


The Korea Federation of SMEs said that the final digits of resident registration numbers are stored using encryption that cannot be decrypted.


The Korea Federation of SMEs urged people not to respond to calls or text messages from anyone impersonating the federation or Yellow Umbrella representatives and asking for money or offering loans. It also advised people not to respond to calls or text messages asking them to enter or change their IDs or passwords.


It added, “We will swiftly determine whether the information was actually accessed and the extent of any damage, and take all necessary measures to prevent a recurrence. We sincerely apologize for causing concern.”



Launched in 2007, Yellow Umbrella is a mutual aid program that helps small businesses and sole proprietors set aside severance funds to prepare for economic hardship, such as business closures or old age.


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