AhJoo Engineering co., Ltd., in accordance with the Personal Information
Protection Act, establishes and discloses the following guidelines for the processing of personal information to protect the personal information of information subjects and promptly and smoothly handle related grievances.

Processing and Retention Period of Personal Information

The company processes and retains personal information within the period specified by law or the period agreed upon by the information subject when collecting personal information.

Processed Personal Information Items

We may automatically collect the following personal information items during the use of internet services:

- IP address
- Cookies
- MAC address
- Service usage records
- Visit records
- Records of improper use, etc.

Destruction of Personal Information

1. The company promptly destroys personal information when it becomes unnecessary due to the expiration of the retention period or achievement of the processing purpose.
2. If personal information must be preserved under other laws even after the expiration of the agreed retention period or the achievement of the processing purpose, the company transfers the information to a separate database (DB) or stores it in a different location.
3. The procedure and method of personal information destruction are as follows:
- Destruction Procedure: The company selects personal information for destruction, obtains approval from the company's personal information protection manager, and proceeds with the destruction.
- Destruction Method: Personal information recorded or stored in electronic file format is destroyed using methods such as Low-Level Format to make it irretrievable. Personal information recorded or stored on paper documents is shredded or incinerated.

Security Measures for Personal Information

The company takes the following measures to ensure the security of personal information:
- Administrative Measures: Establishment and enforcement of internal management plans, regular employee training, etc.
- Technical Measures: Access control management for personal information processing systems, installation of access control systems, encryption of unique identification information, installation of security programs, etc.
- Physical Measures: Access control for computer rooms, data storage rooms, etc.

Installation, Operation, and Refusal of Automatic Collection Devices for Personal Information

The company uses 'cookies' to store and periodically retrieve usage information to provide individualized services.
Cookies are small pieces of information sent by the server (http) operating the website to the user's computer browser and may be stored on the user's computer's hard drive.
a. Purpose of Using Cookies: Cookies are used to understand the visit and usage patterns of users for each service and website visited, popular search terms, and secure connection status to provide optimized information to users.
b. Installation, Operation, and Refusal of Cookies: Users can refuse to store cookies by configuring the option settings in the Tools > Internet Options > Privacy menu of their web browsers.
c. Refusing to store cookies may cause difficulties in using customized services.

Personal Information Protection Manager

1. AhJoo Engineering is responsible for overseeing personal information processing and has designated a personal information protection manager for handling complaints and remedies related to personal information processing.

Personal Information Protection Manager
- Name: Park Seong-hoon
- Contact: Tel. 02-2083-2300, Fax. 02-2083-2310
- Email: aj@ahjooeng.com

2. Information subjects can contact the personal information protection manager and the relevant department for any inquiries, complaints, remedies, etc., related to personal information protection arising from the use of AhJoo Engineering's services (or business). The company will promptly respond and handle such matters.

Remedies for Violation of Rights

Information subjects can contact the following organizations for remedies, consultations, etc., regarding personal information breaches:

Personal Information Breach Reporting Center (Operated by Korea Internet & Security Agency):
- Business: Reporting of personal information breaches, application for consultation
- Website: [privacy.kisa.or.kr](https://privacy.kisa.or.kr)
- Phone: 118 (without area code)
- Address: (58324) 3rd Floor, 9 Jinheung-gil, Naju-si, Jeollanam-do (301-2 Bichgaram-dong) Personal Information Breach Reporting Center

Personal Information Dispute Resolution Committee:
- Business: Application for personal information dispute resolution, group dispute resolution (civil resolution)
- Website: [www.kopico.go.kr](http://www.kopico.go.kr)
- Phone: 1833-6972 (without area code)
- Address: (03171) 4th Floor, Government Seoul Building, 209 Sejong-daero, Jongno-gu, Seoul

Supreme Prosecutors' Office Cyber Crime Investigation Division: 02-3480-3573 ([www.spo.go.kr](http://www.spo.go.kr))

National Police Agency Cyber Safety Bureau: 182 ([http://cyberbureau.police.go.kr](http://cyberbureau.police.go.kr))

Implementation and Changes to the Privacy Policy

This privacy policy is effective from March 6, 2024.