what you mean by IT security? different security loops how to prevent how to be safe.. prevention is better than cure

1. Security

2. WHAT IS SECURITY?
E-com seminar

3. Computer/IT
security

4. Computer or IT security
 It is the protection of information systems
 From theft or damage to the hardware,the
software and to the information on them.

5. What is a security breach ?
 It is a break-in.
 Eg : if someone smashes a window and
climbe’s into your home, that’s a security
breach.
 If the intruder snatches your documents and
personal information and climbs back out the
window , that’s a data breach!
 Security breaches happen a lot- not in your
house , but in large and small organisations.

6. Types of security Breaches
 Attackers can use different types of security
breaches.
1. Probe
2. Scan
3. Account compromise
4. Root compromise
5. Packet sniffer
6. Denial of service
7. Exploitation of trust
8. Malicious code
9. Internet infrastructure attacks

7. Main 3
 Virus
 Spyware
 Malware

8. Virus

9. Spyware

10. How it can be injected to your
system?
Through
 Trojans
 Viruses
 Ransomware
 Adware
 Rootkits
 Worms etc

12. Ransomware
 First ransomware was created by Russian
criminals in 2005
 It is a type of malware that treatens to publish
victims data
 Or purposefully blockes access to it unless a
ransom is paid.
 Files are zipped and password protected.

13. How does it attack ?

14. From where do this comes?
 Spam emails
 Misleading links
 Fake software updates
 Exploiting vulnerabilities in web browser and
popular softwares.

15. Trojan
s It is known as trojan horse
 It looks like a normal application
 But it carries the virus inside it
 It comes out when positive situation comes

16. Story of Trojan Horse

19. Malware
 It is a software intentionally designed to cause
damage to a computer , server , client or
computer network

20. Types of Malware
 Ransomware
 Credential stealers
 Trojan horse
 Keyloggers
 Rootkits
 Miner

22. Keylogger
 Technology/virus used to monitor and record
each keystroke typed
Advantages
• Parents to supervise children’s internet
useage.
• Device owners to track unauthorised activities

23. Phishing example