persistent threat (APT), the network segregation, the application-to-application encryption, defense-in-depth and the network hardening; (4) define a clear set of controls including access control, monitoring

1 shall prepare and file such reports even though there is none of any transaction during such period. Clause 4 Business operators shall file reports in Clause 3. with the SEC Office in the electronic

โจมตีในลักษณะ DDoS (distributed denial of service) การป้องกันการบุกรุกจากโปรแกรมไม่ประสงค์ดี การป้องกันภัยคุกคามในรูปแบบใหม่ (advanced persistent threat) การแบ่งแยกเครือข่าย การเข้ารหัสระหว่างแอพพลิเคชั่น

none, identify as such and explain the reason why. 5. Assets used in business undertaking 5.1 Describe the significant characteristics of the permanent core assets which the Company and the subsidiaries

, disclose the expenses spent on such research and development during the past three years. In case of none, specify so and explain the reason thereof as well. (2) Marketing and competition (a) Describe the

Company’s compliance with the Stock Exchange of Thailand’s Corporate Governance Guidelines for listed companies in other matters apart from those aforementioned. If none, identify the matters and the reasons