The portal is a virus analysis tool that examines suspicious files and shares information about them.
Researchers found that 42 out of the top 100 apps in the Google Play store with 'browser' in their names were vulnerable.
The breaches involved different malware and both companies are investigating whether payment card information was stolen.
DDoS attacks declined in Q2 while Zeus, Storm and Heartbleed made their marks on security, an Akamai report on the state of the internet shows.
Next year, EMV migration in the U.S. will inevitability change fraudsters' attack methods.