Introduction  Originally a banking Trojan that existed in the wild as early as 2007, Qakbot (or QBot) is a pioneer of malware as a service, which is continually maintained and developed to this day. While its main purpose is to steal banking credentials such as logins and passwords, it has

Recently, we have received an increase in the number of malicious email samples with password-protected attachments. The recent waves of attacks with Emotet use a similar approach. In this blog we describe our analysis of another set of samples that used file archives (e.g. zip file) secured with passwords. Figures

For the past three months, most media news headlines have been talking about a painful subject that leaves no one indifferent: the war. Since the start of the Russian invasion of Ukraine, the international community has been helping the victims by donating to various charities and providing direct assistance to

Password Protected Docs One of the most recent Emotet samples we received were emails with password protected attachments. Although the malicious document needs an extra step to be accessed compared to just being attached as it is, the additional layer of ‘security’ may cause an unsuspecting user to think that

XLL is an Excel Add-in extension file that provides ways to use third-party tools and functions that are not available in Microsoft Excel. It is typically a Dynamic Link Library (DLL) file that can be loaded by Microsoft Excel provided the file uses the .xll extension. We have seen a

Office 365 Safe Attachments is a feature of Microsoft 365 Advanced Threat Protection (also known as Microsoft 365 Defender) that provides another layer of protection to incoming emails by scanning its attachments for malicious software. Phishing emails and attacks are more prevalent than ever with the FBI Internet Crime Complaint

“Zero-day” is a term that broadly describes a series of recently discovered cybersecurity vulnerabilities hackers utilize to attack systems. This term, “zero-day”, often refers to the fact that the developers have just learned about the flaw. Hackers will exploit flaws they find before developers even have a chance to address

Cyren offers ransomware protection from cyber-attacks through powerful cloud-based email security services. What is ransomware? Ransomware is a cyber attack that encrypts your files until you pay. This type of attack is malware that employs encryption – holding a victim’s information at ransom. A user or organization’s data is first

Reading a complete report is not for everyone. If that includes you, here are the key takeaways from the 2022 Osterman report on Phishing, BEC, and Ransomware Threats for Microsoft 365 Customers. “Less than half the organizations ranked their currently deployed email security solutions effective. Respondents felt least confident in

Tax scams are so prevalent that the United States Internal Revenue Service has published a very long FAQ page to warn people of the risks. As we approach the peak of the income tax season in the United States, we can expect cyber-criminals to increase their efforts to intercept tax