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IT Security & Network Security News & Reviews: Android Security: Tips for Banishing Malware From Your Mobile Devices

By Fahmida Y. Rashid on 2011-07-18


As security researchers uncover more malware targeting the Android mobile platform, users must exercise extreme caution when downloading apps on their smartphones and tablets. Users tend to forget that smartphones are essentially computers and are subject to malware and phishing attacks just like any other machine connected to the Internet. Security experts from Virtela, BullGuard and Lookout Mobile Security weighed in with recommendations on how to keep Android devices secure. Some security basics apply, such as accessing only trusted and known Websites, password-protecting the devices with a strong and complex password, and keeping all software updated. John Hering, CEO of Lookout Mobile Security, reminded users to avoid accessing shopping and banking Websites when connected to a public WiFi hotspot. It's important to remember, however, that security is not just about apps or the Web as users should remember to physically secure the device. "Don't leave your mobile phone unattended," advised Claus Villumsen, CTO of BullGuard. Ideally, organizations should test all apps on a mobile device specifically set aside for testing purposes before deploying them on a company device, said Mark Hansard, vice president of systems and security at Virtela.

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Who Is the Publisher?

When researching the publisher, check out the Website and see what other apps it may have released. If anything looks suspicious, don't download it.

Read Reviews

Read online reviews to see what other people have to say about the app. While user reviews on the Android Market can be helpful, malware developers can easily post fake reviews, so don't rely on them entirely.

Check Permissions

When downloading an app, it will display a list of all the permissions it needs. Check to make sure the list makes sense. Alarm clock apps don't need to look at contacts, and not all apps need Internet access.

Use Caution When 'Sideloading' (Direct Installs)

Users should download and install apps from official sources and not download Android Package files directly from third-party Websites or unofficial app stores. Attackers can easily embed malicious code in APK files.

Install a Mobile Security Product

Antivirus scanners and other mobile security apps can scan the device to protect against malware and spyware. A good scanner will alert users when something malicious is being downloaded and not wait until it's already on the device.

Be Alert for Scams

Look out for phishing sites or scams that claim to offer some kind of unexplained deal. Users are more likely to fall for online scams and click on malicious links on a smartphone than on a regular computer. Many security tools can scan the Websites to make sure it's not doing anything dangerous.

Update Mobile Devices, Apps

It's harder to keep up with the latest security changes and updates to Android because the phone providers and tablet manufacturers push out the updates in their own sweet time. But when users are prompted to update, they should. And users with rooted devices should regularly check for updates.

Turn Off Connections

Users should manually keep WiFi, Bluetooth and other connections turned off if they are not going to be using them, and turn THEM on only when needed.

Use Known Access Points

Man-in-the-middle attacks rely on the fact that users connect to access points with names that sound real, or connect to generic names like "linksys." Connect only to known access points. Remove the guesswork and stay safe.

Audit Apps, Phones

Don’t store passwords on the device, and make sure apps aren't doing so without your knowledge. Make sure profiles aren't being created or modified without your knowledge. Make sure email is not automatically downloading malicious attachments.

Turn On 'Wipe'

If the phone is stolen or lost, a Wipe application will clear all the data so the private information won’t fall into the wrong hands. If you can, try to download an app where you can wipe your SD card too.

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