This document discusses types of hackers and reconnaissance techniques used in cybersecurity. It describes white hat, black hat, and grey hat hackers. It also discusses tools used for reconnaissance like Google dorks, FTP search engines, IoT search engines, and tools for finding domains, subdomains, email lists, and personal information. Reconnaissance techniques described include using search engines to find caches, files, and page titles/urls, as well as tools for harvesting emails and searching Netcraft, PeekYou, and Shodan.

1. FUNDAMENTALS OF
CYBERSECURITY
ACTIVITY- 1
TOPIC: TYPES OF HACKER AND
RECONNAISSANCE
Submitted by-
Lakshay NR(21bcar0309)

2. White
Hat
Hackers
Black
Hat
Hackers
Grey
Hat
Hackers
Types of hacker


3.  White Hat hackers are also known as Ethical
Hackers. They never intent to harm a system, rather
they try to find out weaknesses in a computer or a
network system as a part of penetration testing and
vulnerability assessments.
 Ethical hacking is not illegal and it is one of the
demanding jobs available in the IT industry. There
are numerous companies that hire ethical hackers for
penetration testing and vulnerability assessments.
white hat hackers uses tools like Nmap (Network
Mapper), Nessus, Nikto, Kismet,etc.
White Hat Hackers


4.  Black Hat hackers, also known as crackers, are those
who hack in order to gain unauthorized access to a
system and harm its operations or steal sensitive
information.
 Black Hat hacking is always illegal because of its bad
intent which includes stealing corporate data,
violating privacy, damaging the system, blocking
network communication, etc.
Black hat hackers use tools like NetStumbler,
Acunetix, Netsparker, and Intruder.
Black Hat Hackers


5.  Grey hat hackers are a blend of both black hat and
white hat hackers. They act without malicious intent
but for their fun, they exploit a security weakness in
a computer system or network without the owner’s
permission or knowledge.
 Their intent is to bring the weakness to the attention
of the owners and getting appreciation or a little
bounty from the owners.
Grey hat hackers use tools like Nmap, Metasploit,
Aircrack-Ng, etc
Grey Hat Hackers


6. 
Red Hat Hackers
Blue Hat Hackers
Elite Hackers
Script Kiddie
Neophyte
Hacktivist
Phreaker
Miscellaneous Hackers

7. 
Red hat hackers are again a blend of
both black hat and white hat hackers.
They are usually on the level of hacking
government agencies, top-secret
information hubs, and generally
anything that falls under the category
of sensitive information.
Red Hat Hackers

8. A blue hat hacker is someone outside
computer security consulting firms who is
used to bug-test a system prior to its launch.
They look for loopholes that can be exploited
and try to close these gaps. Microsoft also
uses the term BlueHat to represent a series of
security briefing events.
Blue Hat Hackers


9. 
This is a social status among hackers, which
is used to describe the most skilled. Newly
discovered exploits will circulate among
these hackers.
Elite Hackers

10. A script kiddie is a non-expert who breaks
into computer systems by using pre-
packaged automated tools written by others,
usually with little understanding of the
underlying concept, hence the term Kiddie.
Script Kiddie


11. A neophyte, "n00b", or "newbie" or "Green
Hat Hacker" is someone who is new to
hacking or phreaking and has almost no
knowledge or experience of the workings of
technology and hacking.
Neophyte


12. 
A hacktivist is a hacker who utilizes
technology to announce a social, ideological,
religious, or political message. In general,
most hacktivism involves website
defacement or denialof-service attacks
Hacktivist

13. A hacker who identifies and exploits
weaknesses in telephones instead of
computers.
Phreaker


16. RECONNAISSANCE
Footprinting is a part of a larger process known as
reconnaissance. Reconnaissance is the information-
gathering stage of ethical hacking, where you collect
data about the target system. This data can include
anything from network infrastructure to employee
contact details. The goal of reconnaissance is to identify
as many potential attack vectors as possible.

17. Data collected from reconnaissance may include:
Security policies. Knowing an organization’s security policies can
help you find weaknesses in their system.
Network infrastructure. A hacker needs to know what type of
network the target is using (e.g., LAN, WAN, MAN), as well as the
IP address range and subnet mask.
Employee contact details. Email addresses, phone numbers, and
social media accounts can be used to launch social engineering
attacks.
Host information. Information about specific hosts, such as
operating system type and version, can be used to find
vulnerabilities.

18. RECONNAISSANCE USING
GOOGLE DORKS
Google's search engine has its own built-in query language. The
following list of queries can be run to find a list of files, find
information about your competition, track people, get information
about SEO backlinks, build email lists, and of course, discover web
vulnerabilities.
Let's look at the most popular Google Dorks and what they do.
cache: this dork will show you the cached version of any website,
e.g. cache:securitytrails.com
allintext: searches for specific text contained on any web page, e.g.

19. allintext: hacking tools
allintitle: exactly the same as allintext, but will show pages that
contain titles with X characters, e.g. allintitle:"Security Companies"
allinurl: it can be used to fetch results whose URL contains all the
specified characters, e.g: allinurl:clientarea
filetype: used to search for any kind of file extensions, for example,
if you want to search for pdf files you can use: email security
filetype: pdf
inurl: this is exactly the same as allinurl, but it is only useful for
one single keyword, e.g. inurl:admin
intitle: used to search for various keywords inside the title.

20. RECONNAISSANCE USING
FTP SEARCH ENGINE
NAPALM FTP Indexer : Napalm has more than 949
million files and 14,000 FTP servers in their index. It
uses a crawler that updates their database every 2 to 4
days, giving higher priority to the most frequently
accessed servers.

21. RECONNAISSANCE USING IOT
SEARCH ENGINE
Shodan is the world's first search engine for Internet-
connected devices. Discover how Internet intelligence
can help you make better decisions.

22. FINDING DOMAINS AND SUB-
DOMAINS USING NETCRAFT

23. GATHERING PERSONAL INFORMATION
USING PEEKYOU

24. FINDING EMAIL LIST USING
HARVESTER
The harvester is a command-line tool included in kali
linux that acts as a wrapper for a variety of search
engines and is used to find email accounts, subdomain
names, virtual hosts, open ports / banners, and
employee names related to a domain from different
public sources (such as search engines and PGP key
servers).

25. PASSIVE FOOTPRINTING