How to lock my suit/USB with a password?

You can use TrueCrypt to secure the whole drive with software encryption. Same limitations as Mojopac, though: you can only run it on admin accounts (ie, computers you own) so it isn't terribly useful for most people.

You can also use a drive with hardware encryption built in. Those will run under limited and guest accounts, too (school, office, hotel business center, net cafe, library, etc) and then you can run the PortableApps.com Suite within it (which also runs under limited and guest accounts).

Hello yesar92,
Your question is one that has long been asked here at portableapps.com. There are two types of "protection" hardware, and software. For best security you should get hardware protection. Places to get them include:

• Iron Key
• SanDisk
• and many others

These options tend to work best as they are part of the drive and therefore work quickly and easily. When you don't want to shell out money for a new drive, we have to use a software option. This is a slightly difficult options as the easiest ways to encrypt and protect data on a drive with software requires Administrative Rights. This is a little difficult here at PortableApps.com as we try and support methods that will work anywhere including on limited accounts. Here are some of the ways that you can password protect data:

• Truecrypt - Will allow you to create an encrypted volume which you can mount as a disk. This allows for on-the-fly encryption however this requires admin rights
• 7-zip - this is a popular compression software and it allows you to create an encrypted file, which is protected by a password. This does not require admin rights but it is a little harder to do as it requires you to do this per zip file.

Those are just some solutions that exist, I am sure people can suggest more. If you have any question please do not hesitate to ask.
Regards
~powerjuce