You can check your iPhone for viruses by checking for unfamiliar apps, seeing if your data usage has spiked, seeing an unusual number of pop-up ads
The key feature of Keeper® Password and Data Vault’s mobile security software lies in the 128-bit AES encryption that the application uses to protect the data from the user end, as it can only be decoded using the password established by the user. This article illustrates why anyone who accesses or stores critical information on their mobile devices needs to protect this information through encryption.
“The consequences of leaving behind these devices is difficult to quantify, but people traveling for business or pleasure are likely to access their company’s corporate network, favorite website or online merchant, resulting in sensitive information residing on endpoint devices. If unauthorized individuals can obtain one or more of the devices left behind at an airport, and the device is not encrypted, the consequences could be severe.”