Computer Security and necessary steps.pptx

computer security

1. 1. Method to provide protection System access control Data access control System Security Adsminnistration System Design

2. Components of computer security Confidentiality Integrity Authentication Access control Non-repudiation Availability Privacy Stenography & Cryptography 2

3. Source of Attack Downloading Programs Cracked Software E-mail Attachments Internet Booting from unknown CD/DVD 3

4. Virus Vital Information Resources Under Siege. 1 st : Creeper, 1971 Malware Computer Viruses or perverse softwares are small programs that can negatively affect the computer 4

5. Types of Virus Residents Virus Direct Action Virus Overwrite Virus Boot Sector Virus Macro Virus File System Virus Polymorphic Virus FAT Virus Multiparticle Virus 5

6. Secure System 6 Two Step Verification 3 Strong Password . 2 Access Control 1

7. Effect of Virues Slow Down Booting Time Monitor your data Affect network Alter pc settings Decrease partitions Destroy data etc. 7

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9. Others Worms Spread to other computer. Bagle, I love you, Morris, Numda Trojan A pears to perform a desirable function but instead facilitate unauthorised access to the user’s computer system Beast, Sub7.Zeus, Zero Access Rootkit etc. Spyware Installed in your pc to spy on the system owner’s activity Coolweb search, FinFisher , Zango , Zlob Trojan, Keyloggers 9

10. Other Threats 10 Spoofing Hacking Cracking Phishing Spam Adware Rootkit Salami technique

11. Is there any solution? Antivirus Digital Certificate Digital Signature Firewall Password File Access Permission 11

12. DARK WEB 12

13. Hackers from abroad 13

14. 14 THANKS! Any questions? You can find me at [email protected] WhatsApp: [phone]