We often find applications storing secrets in a non-encrypted form which presents a severe security risk. If an attacker was able to retrieve & read the secrets, it could lead to compromise of the application, host or network, loss of revenue, loss of confidence of the user with the application.
"Sensitive"data like User Credentials, cryptographic keys must never be stored, cached, or sent unencrypted. For instance: logon passwords, PINs, credit card numbers, telephone calling card numbers, session ID that can be used to gain access to goods, services, or confidential information must always be stored and sent encrypted.
Avoid using proprietary encryption algorithms. Use trusted and proven standard algoriithms for encryption and have key lengths of at least 128 bits. Secure Socket Layer (SSL) must be configured to use at least a minimum of 128bit encryption and must not be allowed to fall back or accept weaker levels. Applications which use SSL must ensure that non-SSL connections are either denied or converted to SSL.
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