Use a strong password, and reset it now and then. One common trick to strengthen passwords is to use a mix of lower- and upper-case letters, and to substitute look-alike characters for certain letters in a word. If you have a beagle, your password might be b3aG13.
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Arnd Wiegmann/Reuters
People walk past a logo next to the main entrance of the Google building in Zurich in this March 9 file photo. Google says computer hackers in China broke into the Gmail accounts of several hundred people, including senior government officials in the US and political activists.