Report: Banks at risk of Network Intrusion and Ransomware Attacks. Global financial industry has made strides in protecting its data from malware, including Trojans. Cyberthreats such as network intrusion, ransomware and criminal gang cooperation are presenting fresh challenges. Financial institutions have improved security in recent years, including doing a better job of defending against malware threats and improving the security around systems such as SWIFT. The authors also call for banks and governments to collaborate on developing a collective defense against such attacks.”]