AppRiver Blog

THREAT ALERT: Cybercrooks Abusing Microsoft Azure Storage Custom Domain Name Feature

THREAT ALERT: Cybercrooks Abusing Azure Custom Domain Name Feature

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Something Wicked This Way Comes – To Your Inbox

Hackers are smart – and only getting smarter. They are continually honing their attacks and searching for the weakest link – and oftentimes that is a company’s employees.

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BEC Attacks Evolving - Phishing via XPS Files

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 file format is...

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Email Encryption Vulnerabilities Come To Light

Think that encrypted email is safe from prying eyes? You may want to think again - especially if you've been using PGP or S/MIME to send your secure emails.

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Office 365 Business Email Compromise Attacks Proliferate

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...

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Attackers Leverage Stolen Email Credentials In Malware Attacks

Throughout 2017 we observed a major increase in phishing efforts, reaching peak levels over the summer, and this trend has continued to intensify in 2018. Much of this effort was expertly tailored to gather users’ login credentials to their preferred email provider. Ultimately attempting to compromise Office365, Gmail, ...

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Holiday Shopping Online? Here Is What To Watch For

Tis the season ... and hackers are not taking a break. Already we are starting to see emails targeting online shoppers.

Taking advantage of all those online sales also means waiting for and tracking your packages to make sure they arrive safe and sound on your doorstep. And that is exactly what hackers are counting on. Be...

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Move over Macros, Office DDE exploits arrive

Move over macros, Office DDE exploits arrive!

Office macros have been the primary choice of attacks by malicious actors for years.  IT administrators and users have learned to be cautious before running macros. The Dynamic Data Exchange (DDE) protocol has been around much longer but hadn't been used for attacks.  It's a...

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Watch for malicious scams in wake of Las Vegas shooting

All of us at AppRiver are grieving for the heinous act that took place Sunday night in Las Vegas. And while the tragedy will get its fair share of media attention in coming weeks, we want to sound a warning bell before people are taken advantage of.

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Hurricane Scams Continue to Make Landfall

A little over two weeks ago we posted about the first Hurricane Harvey scam emails that appeared in our spam traps.  The hurricane scams continue to persist without showing any signs of slowing down soon.

Scammers are now using Harvey and Irma references or just a generic email to encompass any hurricane assistance efforts.

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