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Some organizations face a greater threat of having their laptops stolen For example, hardware and software companies might be targeted by attackers hoping to steal the companies latest and greatest inventions And law enforcement and government agencies might be targeted by attackers hoping to gain access to the secret information contained on their networks Mobile telephone devices also have a high incidence of theft and loss At the very least, a thief can use a stolen phone to make long-distance and international phone calls, creating very expensive phone bills for the owner A thief can also retrieve contact information from a phone s address book, potentially subjecting the phone owner s friends and family to identity theft A more serious vulnerability, however, is that many mobile phones have Internet access, or even full computing power, such as the Pocket PC Phone Edition devices.

Identities A feature in Microsoft Outlook Express 6 in which multiple identities can be created so that different users can have different mail folders. By specifying a different

Such devices can have confidential information stored on them, such as passwords and private e-mail messages Other types of devices in this category include handheld e-mail devices such as the BlackBerry, PDA devices such as Palm Pilots, and handheld PCs such as the Compaq iPAQ Because it is often difficult for users to input data into these devices, perhaps because they must use an on-screen keyboard or handwriting recognition software, users of these devices frequently store network credentials, such as passwords, persistently An attacker could retrieve these credentials to later attack the network of the device user s organization These mobile devices also have the capability to store files, which an attacker could retrieve from the device if stolen Laptop computers and mobile devices often have accessories and add-ons that might hold confidential information Such accessories include conventional removable media, such as floppy disks and CDs.

Another class of removable media includes high-capacity, solid-state devices, such as the myriad USB-enabled media, CompactFlash cards, Secure Digital (SD) cards, smart cards, and Subscriber Identity Module (SIM) cards for cellular and wireless phones If they fall into the wrong hands, smart cards and SIM cards, in particular, can contain data such as private keys and personal information that could be used to attack the network of the device user s organization..

2. Run the application to determine whether the buttons behave correctly now. Next, you ll add the names and controls to the tsNavigation tool strip as you did for the previous tool strip. However, this time instead of adding just some tool strip buttons, you ll add different types of controls. For instance, you ll modify the browser to navigate to the URL specified in the text box when the user presses Enter. You ll also modify the behavior of clicking the Go button to make sure it does the same thing.

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Unlike desktop computers, which have a somewhat static place in the network infrastructure, laptop computers often roam among many subnets and networks, not to mention leaving the local area network (LAN) altogether. This type of devices have historically been among the most difficult to secure and manage. The mobility of laptop computers makes them much more difficult to manage centrally, which greatly increases the difficulty in applying security updates, including hotfixes, service packs, and virus definition files. This mobility also increases the difficulty of assessing how current the security updates are. Traditional methods of applying security updates, including manual application and the use of network management

Part III:

software such as Microsoft Systems Management Server (SMS), are often ineffective with laptop computers. This is because these methods depend on computers being in a static physical location as well as a logical one on the network. This issue is especially problematic for laptop computers that rarely or never are connected to the LAN. When these computers do connect to the network, they often do so through lowbandwidth connections, such as modems. For all intents and purposes, these computers are self-managed by their users, making these users responsible for knowing how to locate and apply security updates themselves. If security updates are not installed, the laptop computer will be vulnerable to known exploits, which is particularly alarming because these computers are often directly connected to untrusted networks. Although better technology, such as Automatic Updates, helps solve this problem to some extent, the security management of remote laptops remains as issue. Unfortunately, wireless telephone devices do not have such a clear patch management solution and almost no centralized security controls. The patching of wireless devices and the embedded or nonembedded operating systems is the responsibility of the carrier, rather than the software vendor. As these devices increasingly become persistently or near persistently connected to the Internet by IP, security threats to mobile devices and information stored on the devices could become a very difficult situation for wireless carriers and users.