Malware comes in five main types: viruses, worms, Trojans, spyware, and adware. Other internet threats include spam emails, phishing scams to steal personal information, botnets of compromised computers, and denial of service attacks that disrupt access to services. The document was produced by Shekaina L. Liwanag and provides an overview of common internet threats from malware to hacking techniques.

1. Internet Threat

2. 1. Malware
stands of for malicious
software.

3. 5 types of Malware

4. a. Virus
a malicious program design to
replicate itself and transfer from
one computer to another (internet,
local networks, FDs, CDs, etc.).

5. b. Worm
a malicious program
transfers from one computer to
another by any types of means.
Example:
ILOVEYOU Worm

6. c. Trojan
a malicious program that
distinguishes a useful program,
but once downloaded or installed,
leaves your PC unprotected and
allows hackers to get
information.

7. d. Spyware
a program that runs in the
background without you knowing it
(thus called “spy”). It has the ability to
monitor what are you currently doing
and typing through key logging.

8. e. Adware
a program designed to send
your advertisements, mostly as
pup-ups.

9. 2. Spam
an unwanted email mostly
from bust or advertisers. It can
be used to send malware.

10. 3. Phishing
an unwanted actuation of
sensitive personal information like
passwords and credit card details.

11. 4. Botnet
group of compromised
computer connected to a
network (zombie).

12. 5. Denial of Service Attack
disrupts computer access to
internet services.

13. Produced by:
Shekaina L. Liwanag