This Privacy Policy is established to protect the personal information of users (hereinafter referred to as 'Users') who use the 'NITSSI' service (hereinafter referred to as 'Service') and to comply with relevant laws and regulations. This policy applies to the use of the Service and may be subject to change.

1. Collected Personal Information

The Service may collect the following personal information:

(1) Required Information

• Registration: Email, password, nickname
• Service Usage: Device information (model, OS version), IP address

(2) Optional Information

• Profile Information: Profile picture, interests
• Location information (with user consent)

(3) Automatically Collected Information

• Service usage records, access logs, cookies, advertising identifiers (IDFA, GAID)

2. Purpose of Collecting and Using Personal Information

The Service collects and uses personal information for the following purposes:

• Membership registration and management
• Service provision and improvement
• Customer support and inquiry response
• Personalized content and advertisements
• Compliance with legal obligations

3. Retention and Disposal of Personal Information

Users' personal information is retained for a certain period after the collection and use purpose is achieved and is then securely disposed of.