How hacker hacks websites?

How hacker hacks websites? (EducationalPurpose)


A website designer, programmer do very hard
work and spent his so much time to design a
website and code a website.

But nobody can be sure that website is 100%
secure. Because while creating and coding
website, a programmer make many mistakes .

Mistakes can be anything like bad coding, weak
servers, errors in database, weak admin panel
and passwords etc. .

This mistakes causes vulnerabilities on website
vulnerability is a weakness which allows an
attacker to reduce a system's information
assurance.

Vulnerability is the intersection of three
elements:

a system susceptibility or flaw,
attacker access to the flaw,
and attacker capability to exploit the flaw.

To exploit a vulnerability, an attacker must have
at least one applicable tool or technique that can
connect to a system weakness.

According to these vulnerabilities , hackers use
suitable techniques and creative mind to hack
websites.

mainly a website can be hack by:

1. Hacking the web server (DDOS).

2. Hacking through cross site scripting (XSS)

3. Hacking a website database (SQLi, BSQi)
Hacking.

4. Hacking a websites logged active season
(Cookies stealing, season hijacking) .

5. Password stealing (Social engineering,keyloggers, phishing )

6. Hacking through search engine (GOOGLE
DORKING)