In early 2020, during the emergence of the COVID-19 pandemic, researchers discovered a novel malware named Oski Stealer, capable of stealing browser data such as cookies, history, payment information, and autofill information, as well as cryptocurrency wallets, login credentials of applications, and…

Log4Shell attacks have spread throughout the Internet due to the ease with which attackers can perform them. The WatchGuard Threat Lab sees a sample of these attacks from our customers’ perspectives when they opt to provide anonymized threat intelligence data from their Fireboxes. This limited data…

[Updated 13-12-2021: Additional information for WatchGuard customers] On Thursday, security researchers disclosed a critical, unauthenticated remote code execution (RCE) vulnerability in log4j2, a popular and widely used logging library for java applications. CVE-2021-44228 is a full 10.0 on the…

Phishing is a type of social engineering attack where threat actors attempt to trick users into providing sensitive information via email. Typically, this involves creating a phishing campaign where threat actors will send the same phishing email to a large batch of recipients in an attempt to trick…

Managed Service Providers (MSPs), especially ones using Kaseya VSA, should read this and take action as soon as possible. High-level Summary: On Friday, July 2, some MSPs using the on-premises version of Kaseya VSA suffered ransomware attacks that trickled down to their customers. Kaseya says around…

On March 18th, 2021, the DNSWatch Tailored Analysis Team received an email from an internal WatchGuard employee who deemed the email as suspicious. The initial email included an attachment with the title Attachment_57904. A DNSWatch Analyst performed an initial assessment of the file in search of…