What Makes A Strong Password?
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| Choosing good
passwords for data encryption |
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It all starts with a
strong password. We all have more passwords we care to have.
It might sound simplistic, but strong passwords are a must
for good security. Strong passwords to your web, ftp, and
data servers are the easiest first step toward a secure web
presence.
What Makes A Strong Password?
�A three-character password is much weaker than a six or
eight character password. A good rule of thumb is never to
use password shorter than eight characters.
�In no way should you use the default password
�Never make a word found in a dictionary your password. One
of the most common methods to break into systems is to run
scripts that try using dictionary words to guess your
password. The less your password looks like a dictionary
word, the less likely will someone guess what it is.
�Include numbers and special characters
�Avoid repeated numbers, characters or sequences such as
12345678, bbbbbbbb, or 33333333
�Never use the user name, or any combination of it, as your
password. Don't use your domain name as your password
either.
�Don't use look alike substitutions like "4ufromme", or
n0t@home"
�Use the entire keyboard, and try to use the less common
keys
�Use different passwords for different accounts. If you use
the same password for all of your accounts, you may find
multiple of your accounts compromised simultaneously.
�Never, ever use a blank password.
Examples of strong passwords are:
A combination of several words that aren't themselves a word
interspersed with special characters (e.g.,
!4scOrE&sDayNYeaRs_ag0)
A word with digits of a memorable date sprinkled inside it
(e.g., vacation -> 0vac2a0t9io19ln99)
Keep Your Passwords Safe
Ideally, you would never write down your passwords, but it
is becoming difficult to do with so many accounts. If you
have to write them down, keep them locked in a safe or some
other secure environment. Passwords on Post It notes are a
recipe for disaster. Don't do it!
Don't share your passwords with other, not even friends or
family members. If someone has to use one of your accounts,
log them in instead of sharing your password. Don't give out
your password over the phone unless you have initiated the
phone call. For example, you may receive a phone call from
your Internet Service Provider asking for your password. Ask
for their phone number, cal them back, then give out your
password. Telephone conversations are not considered secure.
Neither are online chat, email, or instant messaging.
Change your passwords regularly. A new password every 45
days is a good practice. Having the same passwords for years
is a weak security practice. Set yourself reminders in your
calendar. Make it a routine procedure. You'll see that after
a few months, it becomes a habit.
Avoid typing your password on public computers.
Unfortunately, many public computers have been compromised,
making their users vulnerable for malicious keystroke
logging scripts.
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