Some notions From Wikipedia,the free encyclopedia: Information security,sometimes shortened to InfoSec,is the practice of preventing unauthorized access,use,disclosure, disruption,modification, inspection, recording or destruction of information.It is a general term that can be used regardless of the form the data may take (e.g.electronic, physical).From Wikipedia, the free encyclopedia： Information security, sometimes shortened to InfoSec, is the practice of preventing unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction of information. It is a general term that can be used regardless of the form the data may take (e.g. electronic, physical). Some notions