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Windows 7: Think you have a strong password?


28 May 2013   #1
z3r010

 
Think you have a strong password?

Quote:
A team of hackers has managed to crack more than 14,800 supposedly random passwords - from a list of 16,449 - as part of a hacking experiment for a technology website.

The success rate for each hacker ranged from 62% to 90%, and the hacker who cracked 90% of hashed passwords did so in less than an hour using a computer cluster.

The hackers also managed to crack 16-character passwords including 'qeadzcwrsfxv1331'.
Think you have a strong password? Hackers crack 16-character passwords in less than an hour | Mail Online


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28 May 2013   #2
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

The next question is; what do we use for password now?
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28 May 2013   #3
z3r010

 

Huge long phases or song lyrics........ChickityChinatheChinesechickenYouhaveadrumstickandyourbrainstopstickin
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28 May 2013   #4
boohbah

Microsoft Windows 7 Home Premium 64-bit 7600
 
 

what song is that from then?
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28 May 2013   #5
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

Phrases are great to use ..... as long as you remember them, and they're not popular
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28 May 2013   #6
Kari

Microsoft Community Contributor Award Recipient

Windows 8.1 Pro with Media Center
 
 

I use addresses of friends and family, complete with zip code and city. An example: let's say my cousin's name is Peter and he lives in 122 Thisandthatstreet FI-16520 Tampere (zip and name of a city in Finland), and I would be using him (his address) as password to Outlook.com. The password would be 122ThisandthatstreetFI-16520Tampere.

On my mobile I have an encrypted list of passwords where this would be told as "Outlook.com - Peter".

This is of course not an unbreakable system but it works for me, making it quite easy to create and manage multiple long passwords.
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28 May 2013   #7
Dwarf

Windows 8.1 Pro RTM x64
 
 

Whilst it is generally held that longer passwords are usually more secure than shorter ones, that is not necessarily the case. It all depends on the characters used when creating said password. Unfortunately, some websites are very insecure because they only allow alpha-numeric (and in some case only alphabetical characters (and, even more disturbingly, only lower or upper case and not both)) for their passwords.

A typical password that many people still use, despite repeated advice to use something far stronger, is password, and we can see from this that each letter is a lower case alphabetical character. That means that each letter can only be 1 of 26 different possibilities, and thus is easy to crack. Utilising both upper and lower case characters increases the security (although it is still weak) because each character can now be 1 of 52 (2*26) different possibilities, plus there is an extra factor of not knowing where upper and lower case characters appear in the password. To increase this still further, numerical characters (0-9) can be brought in, thus each character can be 1 of 62 different possibilities (2*26+10). In addition, adding special characters (such as $, %, &, etc.) can increase the security even further. In both of these latter 2 cases, again there is the additional factor of not knowing in which position a particular character type lies.

Thus we can have password (weak), passWorD (stronger, but still relatively weak), PasSw0rd (getting better), and finally, the strongest of them all, p4$sWoRd, which employs all 4 character classes. Note that these are still weak, but they just serve to illustrate the example.

For a relatively secure password (and we need to remember that it is something that we need to be able to recall, as a forgotten password is like a lock that you have lost the key for), I recommend a minimum length of 12 characters, with at least 1 character from each of the 4 character classes.

As John mentioned above, pass-phrases are also a good idea, and the security of these can also be enhanced by the same methods I described above.
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28 May 2013   #8
nommy the first

Microsoft Windows 8.1 64-bit Professional
 
 

Most of my passwords consist of a random combination of two French and one Dutch word, normal and capital letters throughout, and a few numbers in the middle..
Backups only written on paper stuffed somewhere in a drawer in my bedroom.

All those years I thought I'd be safe from dem nasty hackers, while they'd probably crack my passes in a few hours


Nommy
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28 May 2013   #9
Dwarf

Windows 8.1 Pro RTM x64
 
 

The language(s) used when creating a password is/are of no consequence to its security, only the class of characters employed. Of course, it might make a great difference to you when it comes to remembering them though, especially when you choose a word (or words) from a language that is not your mother tongue.

To further illustrate what I was talking about in my previous post, I have submitted the 4 examples used to https://www.grc.com/haystack.htm, and here are the results:

-capture.png -capture1.png

-capture2.png -capture3.png


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28 May 2013   #10
Solarstarshines

Windows 7 Home Premium 64bit sp1
 
 

Quote   Quote: Originally Posted by z3r010 View Post
Huge long phases or song lyrics........ChickityChinatheChinesechickenYouhaveadrumstickandyourbrainstopstickin
at first I was thinking ChittyChittyBangBang but someone would figure it out
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 Think you have a strong password?




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