GOOLIGAN malware target Google g-mail and...
More than one million Google accounts, exposing messages, documents, photos and other sensitive data. This new malware variant roots in devices and steals email addresses and authentication tokens stored on the device.
Regarding Android device use.
Go to Checkpoints site and check to learn if your account was breached.
https://gooligan.checkpoint.com
Personally: I do not use g-mail and avoid many other “free services” for biz. for this and other reason. Fact is: many google products need security improvements. And read all fine print :) “Your IP have value, Don’t give it away”