Zimperium’s Zero-Day Defense Against Octo2 Malware Targeting European Banks

Octo2 is an Android banking malware variant actively targeting European banks that leverages screen overlays to capture credentials and remote-access tools to control devices in real time, enabling attackers to approve fraudulent transactions and bypass MFA. The report highlights Zimperium’s MTD and MAPS solutions as providing zero-day detection via machine-learning classifiers and ongoing model retraining to defend against Octo2 and related variants.