Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

The Howler Episode 20: Matt Bykowski, SVP Global Acquisition Sales

This month, we sit down with Matt Bykowski, Senior Vice President of Global Acquisition Sales, as he shares how he works to enable & empower his team, learnings from leading an increasingly global team, his thoughts on the transition from high performer to people leader, and so much more! Matt Bykowski is a dynamic sales leader with over 15 years of experience driving growth in the technology sector.

Navigating Cyber Risks Amid Heightened Middle East Tensions

Recent escalations involving the U.S. and Iran highlight an important reality: geopolitical tensions frequently extend into cyberspace. Cyber threat actors affiliated with or sympathetic to Iran are intensifying their efforts, increasing risks not only for U.S.-based organizations but also for companies across allied nations, particularly those with diplomatic, military, or critical infrastructure ties. Reflecting this elevated threat landscape, the U.S.

Credential Theft Campaign Targets Legal Sector via Spoofed Emails Delivering Malicious HTM File Mimicking O365 Login Page

Arctic Wolf has recently observed a campaign targeting the legal industry using a combination of brute-force and spearphishing techniques. Threat actors initially attempted to brute-force multiple user accounts. After those efforts were unsuccessful, they pivoted to spearphishing by sending spoofed emails that appeared to originate from internal users. These emails used the subject line “Reminder-Your-to-do-list” and contained a malicious.HTM attachment.

GIFTEDCROOK's Strategic Pivot: From Browser Stealer to Data Exfiltration Platform During Critical Ukraine Negotiations

The Arctic Wolf Labs team has discovered that the cyber-espionage group UAC-0226, known for utilizing the infostealer GIFTEDCROOK, has significantly evolved its capabilities. It has transitioned the malware from a basic browser data stealer (which we’re referring to as v1), through two new upgrades (v1.2 and v1.3) into a robust intelligence-gathering tool. Analysis of early files from February 2025 suggests that the GIFTEDCROOK project began as a demo during that period.

CVE-2025-20281 & CVE-2025-20282: Maximum Severity Unauthenticated RCE Vulnerabilities in Cisco ISE and ISE-PIC

On June 25, 2025, Cisco released patches for two maximum-severity vulnerabilities in Cisco Identity Services Engine (ISE) and ISE-Passive Identity Connector (ISE-PIC). Both flaws allow unauthenticated, remote threat actors to execute commands on the underlying operating system with root privileges via exposed HTTPS APIs. Although similar in outcome, the vulnerabilities are independent and do not require each other to be exploited.

Enhancing Detection and Security Efficacy with the Behavioral Detection Engine in Aurora Endpoint Defense

In the ever-evolving cybersecurity landscape, staying ahead of emerging threats is a constant challenge. Traditional endpoint detection and response (EDR) solutions often suffer from alert noise, rule complexity, and slow adaptation to new attack techniques. That’s why Arctic Wolf is excited to introduce the Behavioral Detection Engine — an advanced detection and response framework embedded within Aurora Focus, the EDR module of Aurora Endpoint Defense.

CVE-2025-5777: Critical Information Disclosure Vulnerability "Citrix Bleed 2" in Citrix NetScaler ADC and Gateway

On June 23, 2025, Citrix updated the scope of a previously disclosed vulnerability—CVE-2025-5777—to clarify that it affects NetScaler devices configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. CVE-2025-5777, originally disclosed on June 17, is a critical-severity out-of-bounds read caused by insufficient input validation.

Four Ways to Prevent Credential Theft and Credential-Based Attacks

When it comes to cybercrime, there are few threat actor tactics as useful and widespread as credential theft, and the subsequent use of stolen credentials, to maliciously gain access to an IT environment. As hybrid work models and the widespread use of web-based applications further the digitalization of corporate environments, user credentials have proliferated. In turn, credential theft has risen as a low-tech way for threat actors to gain easy access to target environments.

Pre-Authenticated RCE Chain Disclosed in Sitecore XP

On June 17, 2025, watchTowr disclosed technical details for a pre-authenticated remote code execution (RCE) exploit chain in Sitecore Experience Platform (XP), an enterprise content management system. Although Sitecore released a fix for these vulnerabilities in May 2025, no official CVE identifiers have been assigned at this time. The three vulnerabilities are currently tracked as WT-2025-0024, WT-2025-0025, and WT-2025-0032 by watchTowr and impact Sitecore XP versions 10.1 through 10.4.