Spoofing is the set of techniques that are used to supplant the identity of a user or server.
News:One boy called Navinder Sarao was placing large sales orders (sometimes hundred of million of dollars in one day)He created a company in the island ‘Levis’.And he manipulate the market in England illegally.
How avoid spoofing?A way to avoid spoofing is enter in secure web pages(https)
FOr example we known that the web page of amazon isn’t have spoof.

Security

Security is the protection you need to defend hardware, software or data on your computer.
You need to protect  data, hardware, networks or yourself.

What do I have to protect the data from?
From spoofing, phishhing and malware and backdoors.

What do I have to protect the hardware from?
From hits and balckouts.

What do I have to protect the networks from?
From the people that don't know how use a computer.

What do I have to protect myself from?
From the people that don't know how use a computer.