1. Purpose of Processing Personal Information

ChallengeMe! ('https://challengeme10.com', hereinafter referred to as 'ChallengeMe') processes personal information for the following purposes and does not use it for purposes other than the following:

• Membership registration and management
• Service provision and operation
• Facilitating communication between users
• Service improvement and development

2. Personal Information Items Collected

ChallengeMe collects the following personal information items for service use:

• Required items: Email address, profile name, password
• Optional items: Profile image
• Information automatically generated during service use: IP address, cookies, visit time, service usage records, device information

3. Retention and Usage Period of Personal Information

ChallengeMe retains and uses users' personal information only for the period during which the service is provided, and promptly destroys the information after the user requests membership withdrawal or the purpose of collecting and using personal information is achieved. However, if there is a need to preserve information in accordance with relevant laws, it will be kept for the period specified by those laws.

4. Provision of Personal Information to Third Parties

ChallengeMe does not provide users' personal information to external parties in principle. However, the following cases are exceptions:

• When the user has given prior consent
• When required by law or when requested by investigative agencies for investigation purposes according to procedures and methods prescribed by law

5. User Rights and How to Exercise Them

Users can view or modify their personal information at any time, and can withdraw consent to the use of personal information through membership withdrawal. You can directly view and modify personal information or withdraw membership through the 'Profile' menu in the service.

6. Measures to Ensure the Security of Personal Information

ChallengeMe takes the following measures to ensure the security of personal information:

• Personal information encryption: Important information such as passwords are encrypted, stored, and managed
• Protection from hacking: Enhanced network security through firewalls, intrusion detection systems, etc.
• Access restriction: Management of access rights to systems that process personal information
• Regular security training: Conducting training for employees handling personal information

7. Personal Information Management Officer

ChallengeMe has designated a personal information management officer as follows to oversee matters related to the processing of personal information and to handle user complaints and remedies related to personal information processing:

▶ Personal Information Management Officer

Name: Nahajun Na

Position: Privacy Officer

Contact: bigsmile169@gmail.com