Personally I'd say it's more secure not too. Password vault software can be VERY well designed but it's still software, it's still on computers and it can still have weaknesses. If it does have a weakness, or if someone gets hold of your single master password then they would be able to get into anything if you use a password vault. On the other hand writing passwords down* is immune to hacking as long as the risk is not from anyone with physical access to the paper pad you keep the passwords on. I would suggest keeping the most important passwords all different and stored nowhere except your memory, that is to say bank/primary email account/... Other passwords, make sure they're all different and write them in the book.
*Make sure this book is kept safe, in a safe is a good place on your desk right next to your computer is not a good place, in your pocket/wallet could be a good place too. The book is , to those with physical access, more vulnerable than password managers, but most hackers do not have physical access, which is why such a book makes sense, it keeps the passwords in a place where the world's most capable hackers could not see them, because they are not on a computer. Also you could disguise it, that is to say mix the password into other words or write the passwords backwards, make it look like unimportant doodling with random characters scattered through it...
Edited by rp88, 23 May 2016 - 11:00 AM.
Back on this site, for a while anyway, been so busy the last year.
My systems:2 laptops, intel i3 processors, windows 8.1 installed on the hard-drive and linux mint 17.3 MATE installed to USB