Security Threats & Cyber Crimes Malicious Software Hacking & Cyber vandalism Spoofing & Sniffing Denial of Service Attack Identity theft Phishing How to Protect from Security Threats & Cyber Crimes

1. Security Threats &
Cyber Crimes
M.A.K Dhananjaya
2020/PAS/ICT/M/041

2. Security
Threats
&
Cyber
Crimes
Malicious Software
Hacking
Spoofing and Sniffing
Denial of Service Attacks (DoS)
Identity Theft
Phishing
Internal Employees

3. Malicious Software (Malware)
• Virus
• Worms
• Trojan horse
• Spyware
• Adware
• Ransomware
This Photo by Unknown Author is licensed under CC BY-ND
Malware is an umbrella
term for any piece of
software that has malicious
intent.

4. Hacking & Cyber vandalism
• Hacking is the act of identifying and then
exploiting weaknesses in a computer system
or network, usually to gain unauthorized
access to personal or organizational data.
• Hacking is not always a malicious activity, but
the term has mostly negative connotations
due to its association with cybercrime.

5. Spoofing & Sniffing
Sniffing
• Sniffing is a process of monitoring
and capturing all data packets
passing through given network.
Sniffers are used by network/system
administrator to monitor and
troubleshoot network traffic.
Spoofing
• Spoofing, as it pertains to
cybersecurity, is when someone or
something pretends to be something
else in attempt to gain our confidence,
get access to our systems, steal data,
steal money, or spread malware.
User Server
Hacker

6. Denial of Service
Attack
A Denial-of-Service (DoS)
attack is an attack meant to shut
down a machine or network,
making it inaccessible to its
intended users.
DoS attacks accomplish this by
flooding the target with traffic or
sending it information that
triggers a crash.

7. Identity theft
• Identity theft is the crime of obtaining the
personal or financial information of another
person to use their identity to commit fraud,
such as making unauthorized transactions or
purchases.

8. Phishing
Phishing is an attempt to steal personal
information or break into online accounts using
deceptive emails, messages, ads, or sites that
look similar sites you already use.
For example, a phishing email might look like
it's from your bank and request private
information about your bank account.

9. How to Protect from Security Threats
& Cyber Crimes
•Install Antivirus Software
Install
•Use a firewall
Use
•Use Strong Passwords
Use
•Keep Your Software Updated
Keep
•Use Two-factor Authentication
Use
•Finally Use Your Common Sense
Use

10. Thank You