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Mobile computer security is a growing concern due to the popularity of portable devices. Centralizing data storage, using encryption, and installing antivirus software can minimize risks. Physical locks, passwords, and port management tools can also help. Personal firewalls and encryption protocols are essential for wireless data transmission. Clear guidelines for employees should be established.
With the growing popularity of laptops and notebook computers, as well as portable devices such as cell phones and Universal Serial Bus (USB) memory sticks, mobile computer security has become a growing concern. While most desktop computers operate behind a firewall and are protected by network security measures, portable devices managed beyond that protection are at risk of data leakage and malware infection. Centralizing data storage and using data encryption with secure data devices and USB ports will minimize the security risks of mobile computing.
There are several easy ways to protect the information stored on your computer or device. Installing a physical lock on laptops and notebooks and instructing employees to use it whenever the device is at risk is considered a best practice for mobile computer security. Notebook computers should also be protected by setting a basic input/output system (BIOS) or hard drive password. If the device is used remotely from the network, install standalone antivirus and antimalware software. Consider purchasing software that tracks mobile devices and reports their location when connected to the Internet, as some security software allows you to remotely wipe the drive on a stolen device.
USB flash drives pose a serious security risk to mobile computers and all data on them must be encrypted. Anti-malware software will prevent any infected files from being placed on the drive which could then infect the entire network. Use your computer’s operating system permission management software to control who can read and write to specific files and folders. There are also port management tools that restrict access to USB, FireWire, printer, and serial ports, as well as specific devices, such as CD-ROM drives.
Portable devices should be equipped with a personal firewall. Keep in mind, however, that they must be chosen and configured with care so as not to interfere or impede legitimate network connectivity. Portable firewalls are especially critical for personnel who connect to the network through a virtual private network (VPN). Advanced firewall software provides other features such as intrusion prevention, anti-phishing, spam blocking, and software detection that scans devices for security vulnerabilities. Encryption using a protocol, such as Wi-Fi Protected Access 2 (WPA2), is also essential to secure wireless data transmission.
At the network level, software should be installed to protect it from malware infections detected by mobile devices. In addition to mobile computing hardware and software security measures, it is recommended that organizations publish clear guidelines for employees. These should address which devices can be used off the network, the security measures staff need to follow, and also provide general advice on preventing security breaches.
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