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A PDA is a mobile device that does not have a keyboard but has a screen with which to draw or write with a stylus-like pen. These devices can take notes, view graphs, upload, download, and connect to the internet. They can also be called palmtop or hand-held computer.
- Touch screen:You may find one or two buttons that allow you to create shortcuts for your app. The user must touch or use a pen-like stylus to type text.
- Memory cardsAlthough PDAs didn’t have a memory slot in the past, some PDAs now have both a USB flash drive and memory card slot.
- Internet connectivity:PDAs from the past could connect to personnel computers via serial ports, or other devices. These days, USB cables can be used to connect them.
- Wireless connectivityPDAs can be connected to Wi-Fi and Bluetooth.
- Operating system:Palm OS and WebOS are pre-installed operating system.
- NavigationSome PDAs might have GPS built in, while others may be able to connect externally.
- PDAs that are rugged:Some extra features are available in rugged PDAs, such as radio-frequency identification readers and magnetic stripe reader readers or smart card readers.
PDA Seizure (Paraben)
PDA Seizure allows you to seize your PDA. It allows data to be viewed, accessed, and reported. PDA Seizure can be used in Windows environments and extracts random access memory (RAM), and read-only memories (ROM). It features a simple graphical user interface (GUI) and all the tools necessary to examine files stored in a PDA.
PDA Seizure provides multiplatform support, where the forensic examiner can acquire and examine information on PDAs for both the Pocket PC and Palm operating system (OS) platforms. PDA Seizure has many features. It includes forensic imaging tools, search on files, integrity protection, and book-marking capabilities to aid the examiner with the organization of information.
This product combines PDA with Cell Seizure into device Seizure. It has been considered the standard for mobile device forensics and PDA for many years. You can view the chapterPurchase book
Eric Conrad, … Joshua Feldman, in Eleventh Hour CISSP(r) (Third Edition), 2017
PDAs, or personal digital assistants (PDAs), are small networked computers that fit into your palm. PDAs have changed over time, starting with the first-generation Apple Newton (Apple invented the term PDA), and the Palm Pilot. These first PDAs had features like a calendar and note-taking capabilities. PDA operating systems include Apple iOS and Windows Mobile, Blackberry, Google’s Android, and Google’s Android.
Two major issues regarding PDA security are the loss of data due to theft or loss of the device, and wireless security. PDAs that contain sensitive data should be encrypted or stored on a device with a very limited amount of data. The device should be locked with a PIN. Remote wipe capabilities should also be available. This is the ability to erase the device remotely in the event of theft or loss.
Personal Digital Assistants (PDAs), are small, networked computers that fit into your palm. PDAs evolved over time, starting with the first-generation Apple(r) Newton(tm). Apple invented the term PDA and PalmPilot(tm). These devices offered note-taking and calendar capabilities. PDA operating systems include Apple(r), Symbian OS and Apple(r), iPhone(r), OS, Palm, Windows CE and Windows Mobile, BlackBerry(r), Android(tm), and others.
PDAs are increasingly connected, with 802.11 and sometimes cellular networks. PDAs are often used to replace laptops or desktops.
Some devices, like the Apple(r), iPod(r), are still dedicated PDAs (with video and audio capability). Many PDAs are now able to be combined with cell phones, resulting in smart phone devices (such as the Apple(r), iPhone(r), and BlackBerry(r).
Two major issues regarding PDA security are loss of data due to theft or loss of the device and wireless security. PDAs that contain sensitive data should be encrypted or stored on a device with a very limited amount of data. To lock the device, a PIN is required. remote wiping ability (the ability to remotely wipe the device in the event of theft or loss) is also an important control.
PDAs should use secure wireless connections. PDAs should use secure a href=”https://www.sciencedirect.com/topics/computer-science/wireless-connection”>wireless connections if Bluetooth is used. Owners should also consider the Bluetooth risks.
Evolution of Mobile Identity
Mobile identity management is still in its infancy. GSM networks provide SIM identity management as a type of mobile identity management. However, they don’t meet all requirements for complete Mobile identity management. Dynamic aspects such as user position and temporal context are becoming more important for mobile applications. This is in contrast to static identity which has been implemented in Web 2.0 identity .
There have been many improvements in mobile identity (MId), infrastructure solutions over the years. They can be divided into three categories. The first solution is a continuation of wired identity management for mobile Internet. This solution is not widely available and is only applicable to mobile devices that use the same operating system. This limitation will likely change with the widespread deployment of Web services. Specifications such as Liberty Alliance specifications have been created for mobility and identity management. When the MId system is created from fixed context, there are several limitations. These limitations are primarily due to assumptions made during design. They don’t match with additional mobility requirements .
Many improvements such as interoperability, privacy and security are to be operated. A modern trust management system, or at the very least a decentralized, must replace older centralized PKI.
This second option is an alternative to the Internet-derived MId infrastructure. These can be either mobile phones (Cellular) or mobiles (Smartcards).
Third is implantable radio frequency identification (RFID). This approach is expected to increase rapidly even if the market penetration is smaller than cellular phones.
Additionally, the sensitivity risks of data related to different services and applications are rarely at the same level. In fact, the number of identifiers that a person uses is constantly increasing. There is an increasing need for different types of credentials to be used with different kinds of applications. It is obvious that a tool on the user’s side that can manage credentials and identify them is necessary. With the increasing capacity of CPU power and the spreading number of mobile phone with a SIM card, mobile phones can be considered as a Personal Authentication Device (PDA). They can securely hold the credentials, passwords and identities of users. We have created a new, efficient Identity management device that allows users to memorize their passwords, as well as strengthen security by limiting the number and weakness of passwords. PDA can be used for all wired identity management. PDAs can also be used to create multiple authentication schemes, such as dual channel authentication.
PDA can be described as a tamper resistant hardware device that could contain sensors and smart cards. It is also known as a personal authentication device (PDA), because it is used to authenticate. Wong et al. used this term in security contexts early on. . It is the same approach. The only thing that has changed is the performance of mobile devices. This is the opportunity to emphasis the user centricity as the PDA could strengthen the user experience and to facilitate the automation and system support of the identity management at the user side. Figure 4.22 illustrates the use of silo model and PDA. The PDA stores the user’s identity. When the user would like to connect with a Service provider.
To use the PDA, he/she must authenticate themselves with a PIN code.
Passwords are chosen by the user to connect to the service provider.
Launch the user and log in to the service provider by entering the Username and Password.
PDAs are a great device for tackling the problem of password authentication. Thereby, we have a user friendly and user centric application and even introducing stronger authentication. PDA is superior to common PCs that use common operating systems like windows or linux in that it isolates processes well. The fact that one application can be compromised does not mean all applications are at risk. Mobile phones are losing this advantage as manufacturers introduce more vulnerabilities. Many viruses have been seen for mobile phones, and we even have viruses for RFID. This vulnerability can compromise authentication and even biometrics authentication. This is why it’s important to be vigilant when implementing security on PDA devices. An ideal device is the USB stick running a standalone OS, and integrating a biometric reader and mobile network access. A can find some of them with fingerprint reader for a reasonable price.
There are two main categories that can be used to group the many authentication architectures that can be implemented in a PDA. There are two types of authentication: single channel and dual channel. This allows you to address the cost, risk, and inconvenience at once.
Figure 4.23 shows the principle of single-channel authentication. This is the first use of the PDA. Figure 4.24 shows the second principle of dual channel authentication, which is safer.
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