Why don’t Twitter and Facebook enforce password complexity during sign up?

If you try creating an account using your smartphone, these platforms don’t seem to have strong password requirements. They both enforce a minimum 6 character limit and nothing else (I did however notice Twitter seems to filt… Continue reading Why don’t Twitter and Facebook enforce password complexity during sign up?

Would it be more secure to enforce "at least one upper case" or to enforce "at least one letter (any case)"

I am devising a set of password requirements. I am requiring users to use the following:

Minimum 8 characters
Minimum 1 number
Minimum 1 special character
Minimum 1 letter (any case)

I would like to replace “Minimum 1 le… Continue reading Would it be more secure to enforce "at least one upper case" or to enforce "at least one letter (any case)"

Do hacks of mainstream web applications tend to happen more from random attackers brute forcing or from targeted heuristic attacks?

I’m writing up advice for selecting a master password for a password manager, and I’m wondering if there is available data about the likelihood of different attacks that result in a cracked password. I’m interested in data re… Continue reading Do hacks of mainstream web applications tend to happen more from random attackers brute forcing or from targeted heuristic attacks?

Is there any defense against this kind of attacks? (key comparison attack, or something)

is there any defense against this kind of attack?

https://youtu.be/7U-RbOKanYs?t=974

I know someone who uses a password encryption hashing that generates the same length of keys as in this video and it makes me worried that… Continue reading Is there any defense against this kind of attacks? (key comparison attack, or something)