Android gadgets Android has its own tracking feature that can be accessed via http://google.com/android/devicemanager. It tracks any Android device that is associated with your Google ID. You can view its location on a map, lock and erase data on the device or even make it ring. You can also consider free Antivirus apps from AVG, Avast, Kaspersky or Lookout. They offer remote tracking of your device, with options to lock the phone as well as remotely wipe all the data. Apple iPhone, iPad, iPod touch Apple provides its own free anti theft app — Find my iPhone — that works on all iOS devices. Setting it up is easy and it lets you manage all the Apple devices you own through a single Apple account. You can locate your device by logging in to your iCloud account from any browser and then send messages to it, lock it or wipe all data remotely. If you want to try out other apps that provide similar anti-theft functionality, check out apps like Secureit or iLostfinder.   Windows Phone devices The anti-theft feature on Windows Phone is called Find My Phone. You just need to head to http://windowsphone.com and sign in using the same Windows Live ID that you use on the Smartphone. The browser will then display your phone's location on a map and let you directly print a hard copy of the location if a printer is connected. From the browser, you can make your Windows Phone ring handset ring loudly, lock it with a password or just erase everything on the device.   BlackBerry smart phones BlackBerry's anti-theft solution is called BlackBerry Protect. It has to be set up using a BlackBerry account. Once active, it automatically backs up your contacts, calendar entries and bookmarks. Similar to other Smartphone you can track your device's location by logging into the Protect website. Then, you can send messages, lock the device or erase all data on it. Using Protect, you can manage up to seven devices from a single account.   Windows laptops For Windows, get LAlarm (www.lalarm.com), which is free for personal use. If Windows is locked, LAlarm can be set to raise an alarm when someone disconnects the power cord or removes a USB flash drive. If you prefer, another service called LocateMyLaptop — also free for personal use — lets you locate your notebook using Google Maps. For added security, we also recommend you install a free solution called Prey on your device.   Apple Macbooks Apple offers its own anti-theft solution for its notebooks called Find my Mac. This is automatically enabled when you sign-in to your iCloud account. You can track your laptop remotely, wipe data or have it sound an alarm to find it. Also check out Plug Spy (Rs 197) from www.celmaro.com/plugspy. It activates automatically as soon you as you lock your screen. If someone disconnects your power adapter, it immediately sounds a high volume alert and sends a notification alert to your phone.