1. . CEO & Engineering of KhmerFree. @: it.nida@gmail.com. W: www.KhmerFree.com. T: 012 300 610 / 097 5000 135 / 010 99 10 40. MCSA. MCSE. CCNA Heng Nida

2. 1. PC Security 2. Network System Security Implement Security

3. 1. PC Security 1.1- Introduction PC Security 1.2- User Account 1.3- Introduction Virus and Type of virus

4. 1.1- Introduction PC Security. PC Security: Is prevent owner PC and Data Security from Virus and Hacker Attack 1.1.1- What’s problem in PC Every Time and Everyday? 1.1.2- How to prevent your PC?

5. . Windows Startup very Slow. Windows Startup alert some message Error on Desktop. Error some application can’t open or process. Windows Startup Effect with Network System such as:. Can’t access Network. Can’t print Documents. Can’t access Internet, E-mail, Chart, … 1.1.1- What’s problem in PC Every Time and Everyday?

6. 1.1.2- How to prevent your PC?. Setup / Install New Windows. Backup Data (File, E-mail, Accounting, Database) before Install. Setup Windows Complete  Show File & Folder Hidden. Don’t open drive D: or E: in Windows Explorer  Find virus delete it. Setup driver PC. Setup standard Application of departments (don’t use program in PC). Stop some services and some options not Important. Setup USB Security, Antivirus Internet Security, …. Add Printer. Share Folder Sample. Backup File System, IOS ( Acronis True Image, Norton Ghost, …)

7. 1.2- User Account.User Authentication: User Account is ID, Object for login PC and Allow User Account can use Application, Services and Some options in Operating System - Default User Accounts ( Administrator & Guest,… ) - User Name and Password don’t tell to other people - Change User Administrator - Strong Password / Change Password 14 days - Lock Screen ( win+ L )

8. 1.3- Introduction Virus.Virus: Programmer create virus for attack PC and Data - Spyware (System Monitor, Trojans, Adware, Tracking Cookies) - Malware / BotNet / DDos / BackDoor - Show Symbol Virus / How to Open Documents - Stop Service Auto Run / Auto Play USB - Program USB Security / Antivirus Internet Security - Antispam / Antispyware

9. 2- Network Security 2.1- Security - USB / Antivirus Filter / Change Port RDP (3389) - Monitor LAN ( P2P Over, NetCut, PRTG Network Monitor, More ) - Link URL in Website / Email / More

10. 2.2- Firewall Security - Firewall OS and Firewall Antivirus - Build in Windows - Antivirus Internet Security - Antispam / Antispyware - ISA / IP Cop / IP Fire / Smoothwall / pfsense / ClearOS / MikroTik - Product Firewall - ISA / Juniper / CheckPoint / Watch guard / Cisco ASA / More