OSI model--open system interconnect

The Open Systems Interconnect (OSI) model has seven layers.The layers are stacked this way:

• Application
• Presentation
• Session
• Transport
• Network
• Data Link
• Physical

login in window xp without knowing password:

if u forgot password or want to log on in others computer just follow this trick....
1) Start computer
2) When it asks for password press ctrl+alt+delete ­ keys twice

networking -questions & answers

1)Wi-Fi is a -

a) type of computer

b) type of network cable

c) set of popular technologies and standards for wireless computer networking

d) set of computer programs that help people make money on the Internet

DBMS-question & answers

1) The DBMS acts as an interface between what two components of an enterprise-class database system?
a) Database application and the database
b) Data and the database
c) The user and the database application
d) Database application and SQL

hack the window password using the backdoor

Now I am going to teach you how to hack windows password with use of a backdoor. You should already know that you can change the password on windows, without knowing the old one, using CMD.
the only problem with this method, is that you can’t open it on logon-screen.

Immunity Debugger

Immunity Debugger is a powerful new way to write exploits, analyze malware, and reverse engineer binary files. It builds on a solid user interface with function graphing; the industry's first heap analysis tool built specifically for heap creation, and a large and well supported Python API for easy extensibility.

Browse hijacking

Browser hijacking is a type of online fraud. Scammers use malicious software to take controlof your computer's Internet browser and change how and what it displays when you're surfing the web.

How do you know if your browser has been hijacked?

•Home page or other settings change on your computer. Links are added that point to websites that you'd usually avoid.