Uptick in Phishing Attempts via XPS file extensions We’ve seen it time after time, malicious actors routinely attempt to confuse recipients of messages with obscure or lesser-utilized file extensions. Over the past month, some phishing attempts using xps files instead of the typical pdf or doc/docx formats have been captured by our filters.  The xps […]

Office 365 Business Email Compromise Attacks The Office 365 (O365) platform has experienced tremendous growth and there is no sign of that trend slowing.  More businesses than ever reside with – or plan to migrate accounts to – the expanding Microsoft Business or Enterprise services. Scammers have taken notice and have crafted simple, effective social […]

Trojan Droppers Exploiting Symbolic Link Files Malicious actors routinely attempt to confuse recipients of messages with obscure file extensions to load malicious files on the victims machine. For most users the .slk file is recognized in Microsoft Office software as an Excel file. However, as detailed here, it also is recognized by other applications among […]

Update 4/3/2018 We’ve seen an increase of customers reporting email bombs, specifically the Distributed Spam Distraction (DSD) attack, over the past couple weeks.  On Monday, 4/2/2018, 6 different attacks were reported to our teams.  Fraudulent Best Buy pickup orders have been a common theme observed during these attacks, however, any type of identity theft or […]

****Update: 12/29/2017 9 A.M.**** Necurs botnet operators continue to show unpredictability. Following the afternoon blog update yesterday they turned up the volume.  It ended up being our highest volume day of the year originating from the massive botnet.  We blocked 49,784,485 million ransomware messages destined to customers.                   […]