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Encryption is taking straight text and scrambling it for security purposes. Businesses are required by law (Sarbanes Oxley is one I'm familiar with) to protect the data they hold.
To use protected by key wireless networks (WPA, WPA2-PSK AES), MAC filters, deny access to ports which are not used.
Yes, encryption will help to protect your phone and data.
To protect information
Use secure wireless network either WPA or WPA2-PSK. If you prefer to work in open networks (no encryption) you can use VPN connection to protect your activity.
WEP can be cracked for 1-2 minutes. WPA might require many days. WPA2 will take reasonable amount of time of you have the password in the dictionary if you are performing brute force. If you do not have such word. So far WPA2 is a very good encryption which is if implemented properly can protect you.
There are 12 rules that must be met in order to ensure compliance. These range from encryption to network security. These are the bare minimum standards. Your first priority should always be to protect customer data. So if your sound card does this, then you should not have any problems meeting the PCI compliance standards.
In regard to commerce, encryption is intended to protect credit card information. Business suffers when consumers do not feel their credit card information is secure.
I assume you mean with a wireless network.1. Don't broadcast your SSID (look this up if you don't know what it is)2. Use WEP or WPA passkey encryption3. Use MAC Address encryption.4. Turn off extended range mode if you don't need it
if you want to password protect folders on your computer you can use a password protection software, saying Kakasoft Advanced Folder Encryption(http://www.kakasoft.com/folder-encryption),open it and set password to protect you data easily.
There are two types of wireless encryption. It's recommended to use encrypted connection even for your home use. Any way WEP was first employed to protect wireless connections, but because of the flaw in the algorithm it's very easy to decrypt. Nowadays it takes couple minutes to crack even if you have the longest and most complicated password ever. WPA is meant to fix problems found in WEP, the current version is WPA-PSK2 AES/TKIP. If you can use WPA-PSK2 AES. If you use a complicated password with 8 symbols at least there is no way to hack in a reasonable amount of time.
Disk encryption protects the data on a hard drive from being read by someone that isn't authorized. Disk encryption works by converting the information on the drive to unreadable data.