o be effective, passwords must satisfy number of requirements
Length.
The strength of a password is direcy related to its length. Most security experts recommend that strong passwords include at least eight characters
Multiple character types.
Password strength is greatly increased by using a mixture of upper- and lowercase alphabetic, numeric, and special characters
Randomness
. Passwords should not be words found in dictionaries. Nor should they be words with either a preceding or following numeric char- acter (such as 3Diamond or Diamond3). They must also not be related to the employee's personal interests or hobbies, because special purpose password-cracking dictionaries can be found on the Internet that contain the most 3 common pass- words related to various topics. For example, the password Nec 1701 appears, at first glance, to fit the requirements of a strong password: It contains a mixture of upper and lowercase characters and numbers. But any Star Trek fan will instantly recog- nize it as the designation of the starship enterprise Consequently, Nec1701 and many variations it on the number 1 with the symbol, etc.) are included in most password cracking dictionaries and, there fore, are quickly broken
changed frequently.
Passwords should be changed at regular intervals. Most should users change her passwords at least 90 days every users with access to sensitive information should change their passwords more often, possibly ever 30 day
o be effective, passwords must satisfy number of requirements
Length.
The strength of a password is direcy related to its length. Most security experts recommend that strong passwords include at least eight characters
Multiple character types.
Password strength is greatly increased by using a mixture of upper- and lowercase alphabetic, numeric, and special characters
Randomness
. Passwords should not be words found in dictionaries. Nor should they be words with either a preceding or following numeric char- acter (such as 3Diamond or Diamond3). They must also not be related to the employee's personal interests or hobbies, because special purpose password-cracking dictionaries can be found on the Internet that contain the most 3 common pass- words related to various topics. For example, the password Nec 1701 appears, at first glance, to fit the requirements of a strong password: It contains a mixture of upper and lowercase characters and numbers. But any Star Trek fan will instantly recog- nize it as the designation of the starship enterprise Consequently, Nec1701 and many variations it on the number 1 with the symbol, etc.) are included in most password cracking dictionaries and, there fore, are quickly broken
changed frequently.
Passwords should be changed at regular intervals. Most should users change her passwords at least 90 days every users with access to sensitive information should change their passwords more often, possibly ever 30 day
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