While movie gangster Vito Corleone never had to navigate cybersecurity threats, he was still careful about how he conducted his banking. And the rest of us should be, too. Which is why Santa Rosa-based Poppy Bank this week issued a “critical cybersecurity alert” about the so-called “Godfather Malware,” a newly evolving threat targeting mobile banking users. The malware keys in on mobile apps—particularly those on Android devices—in an effort to …