Cyren Security Blog

Emotet: From a Banking Trojan to One of the Most Advanced Botnets

by Tinna Thuridur Sigurdardottir and Sarah Neubauer

Email Security Malware Threat Analysis

In 2014, the Emotet malware started as a banking Trojan targeting European bank customers. Back then, nobody expected this malware would evolve into …

Christmas Eve Warning! Malware Targeting Amazon Shoppers

by Maharlito Aquino and Kervin Alintanahin

Security Research & Analysis Threat Analysis

Shopping for Christmas gifts has never been easier, especially with Amazon—and who doesn’t use Amazon? This is why using fake Amazon orders is a …

Fileless Malware Already Targeting Holiday Suppliers

by Maharlito Aquino and Kervin Alintanahin

Security Research & Analysis Threat Analysis

It gets earlier and earlier. The first Yuletide-related malware campaign has already been spotted. There’s always an expected and monumental amount …

Not-Really-Password-Protected Evasion Technique Resurfaces

by Maharlito Aquino and Kervin Alintanahin

Security Research & Analysis Threat Analysis

Today we came across an e-mail with an Excel Workbook attachment, which upon first inspection appears to be password-protected. The presence of the …

Police Phishing Attack Targets Bank Credentials

by Magni Reynir Sigurðsson

Phishing Security Research & Analysis Threat Analysis

In a sophisticated criminal scheme, an email impersonating the Icelandic police was sent to thousands of Icelanders this past weekend, falsely …

Double Deceit: Bad Things Come in Pairs

by Maharlito Aquino and Kervin Alintanahin

Email Security Security Research & Analysis Threat Analysis Web Security

The chinese proverb may say that good things come in pairs, but in what appears to be a clever bit of social and technical engineering, we’ve …