Do we need a secure cyberspace?
Should we protect our identity?
Is knowledge a form of defence?
What exactly is hacking ?
Am I doing the correct thing while 'Hacking' ?
Then what is Cracking ?
Ethical, Legal and Social aspects
Modern definition- the Ethical hacking
Knowing IP addresses
IP address is a
unique web address
for each computer
connected to internet
Knowing this is
Using brutus, netbrute
Is a network scanner
Can be used for Host
discovery, OS detection as
well as port scanning
To install, use the foll.
Command in Debian Linux
sudo apt-get install nmap
Available for windows
Is a way of masquerading
A man-in-middle attack
Is done in a network for 'sniffing' the data
Common application is phishing websites
Caller-ID spoofing in VOIP communications
E-Mail address spoofing by spammers
Used to know about the exact details of your
Can authenticate the sender
As a finder for route of the mail- can be used as
a security against phishing/scam mails
Disabling scripts in web pages
Clearing cookies regularly
Using/updating to latest version of web browser
Avoiding replies to unsolicted(spam) mails
Not clicking links/downloading attachment given
in spam/unsolicited mails
First line of(OS) defense
Patch up windows using automatic updates
Install well known antivirus and update it
Install a 3rd party firewall
Use a strong password using syskey utility to
encrypt sam passwords
Remember, prevention is better than cure
It is upto YOU to use a technology
Yes, you can contribute in making the
existing technologies more secure
For more know-how, join our
community at Orkut.com