#beginner
Types of hackers
A Hacker is a person who finds and exploits the weakness in computer systems and/or networks to gain access. Hackers are usually skilled computer programmers with knowledge of computer security.
Ethical Hacker (White hat): A hacker who gains access to systems with a view to fix the identified weaknesses.
Cracker (Black hat): A hacker who gains unauthorized access to computer systems for personal gain. The intent is usually to steal corporate data, violate privacy rights, transfer funds from bank accounts etc.
Grey hat: A hacker who is in between ethical and black hat hackers. He/she breaks into computer systems without authority with a view to identify weaknesses and reveal them to the system owner.
Script kiddies: A non-skilled person who gains access to computer systems using already made tools.
Types of hackers
A Hacker is a person who finds and exploits the weakness in computer systems and/or networks to gain access. Hackers are usually skilled computer programmers with knowledge of computer security.
Ethical Hacker (White hat): A hacker who gains access to systems with a view to fix the identified weaknesses.
Cracker (Black hat): A hacker who gains unauthorized access to computer systems for personal gain. The intent is usually to steal corporate data, violate privacy rights, transfer funds from bank accounts etc.
Grey hat: A hacker who is in between ethical and black hat hackers. He/she breaks into computer systems without authority with a view to identify weaknesses and reveal them to the system owner.
Script kiddies: A non-skilled person who gains access to computer systems using already made tools.
#intermediate
Getting started with Nmap
Nmap is the world's leading port scanner. Nmap, as an online port scanner, can scan your perimeter network devices and servers from an external perspective i.e. outside your firewall.
Installing Nmap on Debian | Ubuntu
Open terminal & type command:
sudo apt-get install nmap
It will start installing Nmap.
Once installing is finished we can verify the installed version of Nmap using:
nmap --version
Installing Nmap on Windows
Download Nmap
Link to download: nmap-7.80-setup.exe
Run the downloaded .exe file.
In the window that opens, accept the License terms & click Next.
Select the install location & click Install.
Getting started with Nmap
Nmap is the world's leading port scanner. Nmap, as an online port scanner, can scan your perimeter network devices and servers from an external perspective i.e. outside your firewall.
Installing Nmap on Debian | Ubuntu
Open terminal & type command:
sudo apt-get install nmap
It will start installing Nmap.
Once installing is finished we can verify the installed version of Nmap using:
nmap --version
Installing Nmap on Windows
Download Nmap
Link to download: nmap-7.80-setup.exe
Run the downloaded .exe file.
In the window that opens, accept the License terms & click Next.
Select the install location & click Install.