Operating Systems Security DMM Physical Authentication Types DMM

Protection systems for computer operating systems Authentication One Time passwords Firewalls Operating Systems Security DMM

Authentication Operating System generally identifies/authenticates users in the following ways: Username / Password User card / key User attribute Fingerprint eye retina pattern signature Physical Authentication Types DMM

One Time passwords A One Time unique password is required every time user tries to login into the system. Physical Authentication Types DMM

Implementing One time passwords. Random numbers Users are provided cards having numbers printed along with corresponding alphabets. Secret key User are provided a hardware device which can create a secret id mapped with user id. System asks for such secret id which is to be generated every time prior to login. Network password Some commercial applications send one time password to user on registered mobile/ email which is required to be entered prior to login. Operating Systems Security DMM

Firewalls Firewalls are software programs or hardware devices that filter the traffic that flows into you PC or your network through a internet connection. Firewalls can also be tuned to follow "rules“ Rules that decide who can connect to the internet, what kind of connections can be made, which or what kind of files can be transmitted in or out Operating Systems Security DMM

Operating Systems Security DMM PCPro October 2012 Operating Systems Security DMM

Operating Systems Security DMM