Threat actors are always on the lookout for inconspicuous ways to execute malicious attacks. One such tactic that has become common is the use of legitimate services as...
Cyren Security Blog
Phishing | Security Research & Analysis
Ransomware Attacks Are Here to Stay
Following the highly publicized (and successful) $4M+ ransom of Colonial Pipeline, attacks like these will only get more popular. Indeed this week, the New York Times...
SolarMarker Backdoor Pretends to be Legit PDFescape Installer
The modified installer of legit "PDFescape Desktop Installer" app looks like this: Fake PDFescape Desktop Installer AppSHA-256:...
Dissecting a UnionBank Phishing Campaign
We have been seeing email notifications about login attempts to UnionBank online accounts, prompting users to reset their password if they found the login attempts were...
Fake DocuSign Download Page Leads to Hentai Onichan Ransomware
We recently received samples that we suspected were “phishy” in nature, but after analyzing the email attachment a severe threat was exposed. Figure 1.0 Email sample...
A Dridex Phishing Campaign
The “Purchase” themed email is a commonly used subject in phishing campaigns. Threat actors can easily scrape the internet, in other words, specific data is very easily...
Phishing campaign masquerading Excel template in the html attachment
Phishing remains one of the most popular types of corporate attacks in terms of its prevalence, and therefore it is not surprising that attackers are coming up with...
Loose SPF, DKIM, DMARC, and ARC Settings Sabotage Security
It’s safe to say that all of our Cyren Inbox Security customers use the native Office 365 security capabilities of Exchange Online Protection and Advanced Threat...
“Are you satisfied?” Cyren sees increasing use of forms in account takeover attacks
Every internet user participates in surveys every day: “Do you like our service?” “Are you satisfied with the order?” “Please, fill the form below to make us better for...